======================================
| xx__-> [    9.326711][  T198] ------------[ cut here ]------------
| [    9.326911][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.327150][  T198] Modules linked in:
| [    9.327597][  T198] Tainted: [W]=WARN
[    9.327697][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.327863][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.328038][  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
[    9.328514][  T198] RSP: 0018:ffa00000008f7a80 EFLAGS: 00010286
[    9.328681][  T198] RAX: 00000000ffffffa6 RBX: ff1100000dc951c0 RCX: 1ff400000011ef16
[    9.328878][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dc9527c
[    9.329073][  T198] RBP: ff1100000a92c000 R08: 1fe2200001b92a51 R09: ff1100000f8a5180
[    9.329266][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.329515][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a92c000
[    9.329712][  T198] FS:  00007f540d484840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.329942][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.330109][  T198] CR2: 0000000000479648 CR3: 00000000095a8003 CR4: 0000000000771ef0
[    9.330310][  T198] PKRU: 55555554
[    9.330413][  T198] Call Trace:
[    9.330510][  T198]  <TASK>
[    9.330578][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.330712][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.330846][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.330946][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.331079][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.331241][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.331376][  T198]  register_netdev (net/core/dev.c:11552)
[    9.331515][  T198]  loopback_net_init (drivers/net/loopback.c:218)
[    9.331647][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.331747][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.331848][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.331977][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.332108][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.332240][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.332380][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.332521][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.332652][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.332785][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.332917][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.333046][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.333179][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.333317][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.333454][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.333586][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.333718][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.333851][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.333982][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.334147][  T198] RIP: 0033:0x7f540d746bcb
[    9.334285][  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
[    9.334762][  T198] RSP: 002b:00007ffe7b0bd278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.334959][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f540d746bcb
[    9.335156][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.335356][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.335557][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b0bf4a0
[    9.335752][  T198] R13: 0000000000000001 R14: 00007f540d4846f8 R15: 00007ffe7b0bf886
| [    9.340431][  T198] ------------[ cut here ]------------
| [    9.340572][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.340798][  T198] Modules linked in:
| [    9.341160][  T198] Tainted: [W]=WARN
[    9.341258][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.341434][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.341602][  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
[    9.342062][  T198] RSP: 0018:ffa00000008f7918 EFLAGS: 00010286
[    9.342227][  T198] RAX: 00000000ffffffa6 RBX: ff1100000f026ac0 RCX: 1ff400000011eee9
[    9.342433][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f026b7c
[    9.342627][  T198] RBP: ff11000008869000 R08: 1fe2200001e04d71 R09: ff1100000f8a5180
[    9.342822][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.343015][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008869000
[    9.343213][  T198] FS:  00007f540d484840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.343449][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.343613][  T198] CR2: 0000000000479648 CR3: 00000000095a8003 CR4: 0000000000771ef0
[    9.343807][  T198] PKRU: 55555554
[    9.343905][  T198] Call Trace:
[    9.344004][  T198]  <TASK>
[    9.344071][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.344201][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.344335][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.344440][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.344572][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.344734][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.344870][  T198]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.345001][  T198]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.345130][  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))
[    9.345262][  T198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.345400][  T198]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.345531][  T198]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.345663][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.345764][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.345863][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.345991][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.346119][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.346252][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.346386][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.346524][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.346656][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.346787][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.346917][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.347046][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.347176][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.347311][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.347445][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.347574][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.347703][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.347833][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.347963][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.348123][  T198] RIP: 0033:0x7f540d746bcb
[    9.348257][  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
[    9.348726][  T198] RSP: 002b:00007ffe7b0bd278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.348921][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f540d746bcb
[    9.349114][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.349310][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.349606][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b0bf4a0
[    9.349799][  T198] R13: 0000000000000001 R14: 00007f540d4846f8 R15: 00007ffe7b0bf886
| [    9.361659][  T198] ------------[ cut here ]------------
| [    9.361804][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.362037][  T198] Modules linked in:
| [    9.362419][  T198] Tainted: [W]=WARN
[    9.362517][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.362682][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.362855][  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
[    9.363327][  T198] RSP: 0018:ffa00000008f78f8 EFLAGS: 00010286
[    9.363499][  T198] RAX: 00000000ffffffa6 RBX: ff110000056d7540 RCX: 1ff400000011eee5
[    9.363695][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056d75fc
[    9.363892][  T198] RBP: ff110000092d9000 R08: 1fe2200000adaec1 R09: ff1100000f8a5180
[    9.364089][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.364285][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092d9000
[    9.364493][  T198] FS:  00007f540d484840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.364722][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.364888][  T198] CR2: 0000000000479648 CR3: 00000000095a8003 CR4: 0000000000771ef0
[    9.365085][  T198] PKRU: 55555554
[    9.365183][  T198] Call Trace:
[    9.365281][  T198]  <TASK>
[    9.365351][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.365488][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.365623][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.365725][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.365859][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.366024][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.366158][  T198]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.366292][  T198]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.366459][  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))
[    9.366592][  T198]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.366725][  T198]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.366857][  T198]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.366989][  T198]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.367122][  T198]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.367253][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.367359][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.367464][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.367596][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.367729][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.367863][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.367996][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.368132][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.368265][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.368409][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.368544][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.368676][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.368809][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.368944][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.369076][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.369208][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.369345][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.369483][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.369617][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.369780][  T198] RIP: 0033:0x7f540d746bcb
[    9.369918][  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
[    9.370392][  T198] RSP: 002b:00007ffe7b0bd278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.370599][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f540d746bcb
[    9.370797][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.370993][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.371190][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b0bf4a0
[    9.371393][  T198] R13: 0000000000000001 R14: 00007f540d4846f8 R15: 00007ffe7b0bf886
| [    9.375650][  T198] ------------[ cut here ]------------
| [    9.375790][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.376030][  T198] Modules linked in:
| [    9.376404][  T198] Tainted: [W]=WARN
[    9.376504][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.376669][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.376839][  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
[    9.377303][  T198] RSP: 0018:ffa00000008f7a78 EFLAGS: 00010286
[    9.377474][  T198] RAX: 00000000ffffffa6 RBX: ff110000056d6ac0 RCX: 1ff400000011ef15
[    9.377670][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000056d6b7c
[    9.377865][  T198] RBP: ff1100000a95c000 R08: 1fe2200000adad71 R09: ff1100000f8a5180
[    9.378060][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.378254][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a95c000
[    9.378465][  T198] FS:  00007f540d484840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.378695][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.378859][  T198] CR2: 0000000000479648 CR3: 00000000095a8003 CR4: 0000000000771ef0
[    9.379056][  T198] PKRU: 55555554
[    9.379153][  T198] Call Trace:
[    9.379252][  T198]  <TASK>
[    9.379322][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.379461][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.379593][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.379695][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.379828][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.379990][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.380126][  T198]  register_netdev (net/core/dev.c:11552)
[    9.380256][  T198]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.380399][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.380500][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.380600][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.380729][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.380859][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.380993][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.381126][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.381259][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.381402][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.381534][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.381665][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.381796][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.381927][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.382061][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.382189][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.382323][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.382458][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.382589][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.382720][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.382882][  T198] RIP: 0033:0x7f540d746bcb
[    9.383021][  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
[    9.383499][  T198] RSP: 002b:00007ffe7b0bd278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.383696][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f540d746bcb
[    9.383893][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.384088][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.384282][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b0bf4a0
[    9.384489][  T198] R13: 0000000000000001 R14: 00007f540d4846f8 R15: 00007ffe7b0bf886
| [    9.389686][  T198] ------------[ cut here ]------------
| [    9.389823][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/198
| [    9.390051][  T198] Modules linked in:
| [    9.390429][  T198] Tainted: [W]=WARN
[    9.390531][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.390694][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.390864][  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
[    9.391335][  T198] RSP: 0018:ffa00000008f7a68 EFLAGS: 00010286
[    9.391507][  T198] RAX: 00000000ffffffa6 RBX: ff1100000f027c40 RCX: 1ff400000011ef13
[    9.391703][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f027cfc
[    9.391897][  T198] RBP: ff110000084e9000 R08: 1fe2200001e04fa1 R09: ff1100000f8a5180
[    9.392092][  T198] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.392287][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000084e9000
[    9.392495][  T198] FS:  00007f540d484840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.392723][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.392886][  T198] CR2: 0000000000479648 CR3: 00000000095a8003 CR4: 0000000000771ef0
[    9.393082][  T198] PKRU: 55555554
[    9.393182][  T198] Call Trace:
[    9.393279][  T198]  <TASK>
[    9.393350][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.393486][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.393619][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.393721][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.393854][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.394019][  T198]  register_netdev (net/core/dev.c:11552)
[    9.394150][  T198]  sit_init_net (net/ipv6/sit.c:1860)
[    9.394283][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.394388][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.394495][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.394626][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.394756][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.394890][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.395022][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.395156][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.395287][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.395488][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.395620][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.395750][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.395882][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.396015][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.396146][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.396276][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.396466][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.396598][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.396730][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.396891][  T198] RIP: 0033:0x7f540d746bcb
[    9.397027][  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
[    9.397554][  T198] RSP: 002b:00007ffe7b0bd278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.397752][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f540d746bcb
[    9.397944][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.398140][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.398339][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b0bf4a0
[    9.398589][  T198] R13: 0000000000000001 R14: 00007f540d4846f8 R15: 00007ffe7b0bf886
| [    9.409224][  T198] ------------[ cut here ]------------
| [    9.409378][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [    9.409618][  T198] Modules linked in:
| [    9.409991][  T198] Tainted: [W]=WARN
[    9.410089][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.410253][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.410437][  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
[    9.410903][  T198] RSP: 0018:ffa00000008f7a78 EFLAGS: 00010286
[    9.411068][  T198] RAX: 00000000ffffffa6 RBX: ff1100000dcba040 RCX: 1ff400000011ef15
[    9.411263][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dcba0fc
[    9.411472][  T198] RBP: ff11000009cf4000 R08: 1fe2200001b97421 R09: ff1100000f8a5180
[    9.411668][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.411862][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cf4000
[    9.412059][  T198] FS:  00007f540d484840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[    9.412287][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.412461][  T198] CR2: 00007f6906e9e2a0 CR3: 00000000095a8003 CR4: 0000000000771ef0
[    9.412660][  T198] PKRU: 55555554
[    9.412757][  T198] Call Trace:
[    9.412855][  T198]  <TASK>
[    9.412922][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.413054][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.413186][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.413286][  T198]  register_netdevice (net/core/dev.c:11488)
[    9.413431][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.413593][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.413727][  T198]  register_netdev (net/core/dev.c:11552)
[    9.413859][  T198]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.413991][  T198]  ops_init (net/core/net_namespace.c:137)
[    9.414091][  T198]  setup_net (net/core/net_namespace.c:446)
[    9.414192][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.414328][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.414465][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.414600][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[    9.414732][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.414866][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.414997][  T198]  ksys_unshare (kernel/fork.c:3243)
[    9.415127][  T198]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.415259][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.415399][  T198]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.415530][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[    9.415663][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.415793][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.415924][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.416054][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.416184][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.416319][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.416487][  T198] RIP: 0033:0x7f540d746bcb
[    9.416625][  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
[    9.417088][  T198] RSP: 002b:00007ffe7b0bd278 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[    9.417287][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f540d746bcb
[    9.417491][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.417687][  T198] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.417882][  T198] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe7b0bf4a0
[    9.418080][  T198] R13: 0000000000000001 R14: 00007f540d4846f8 R15: 00007ffe7b0bf886
| [    9.444993][  T199] ------------[ cut here ]------------
| [    9.445138][  T199] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/199
| [    9.445373][  T199] Modules linked in:
| [    9.446373][  T199] Tainted: [W]=WARN
[    9.446475][  T199] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.446639][  T199] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.446807][  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
[    9.447268][  T199] RSP: 0018:ffa0000000937020 EFLAGS: 00010286
[    9.447443][  T199] RAX: 00000000ffffffa6 RBX: ff1100000c767000 RCX: 1ff4000000126dca
[    9.447637][  T199] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7670bc
[    9.447829][  T199] RBP: ff1100000a92c000 R08: 1fe22000018ece19 R09: ff11000010228b58
[    9.448022][  T199] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.448215][  T199] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.448418][  T199] FS:  00007f8980641840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[    9.448648][  T199] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.448812][  T199] CR2: 00007f89809111a0 CR3: 000000000ff5f005 CR4: 0000000000771ef0
[    9.449005][  T199] PKRU: 55555554
[    9.449103][  T199] Call Trace:
[    9.449199][  T199]  <TASK>
[    9.449266][  T199]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.449407][  T199]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.449507][  T199]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.449638][  T199]  __dev_notify_flags (net/core/dev.c:9787)
[    9.449769][  T199]  ? netif_change_name (net/core/dev.c:1495)
[    9.449899][  T199]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.450030][  T199]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.450159][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.450289][  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))
[    9.450436][  T199]  netif_change_flags (net/core/dev.c:9820)
[    9.450567][  T199]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.450697][  T199]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.450838][  T199]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.450969][  T199]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.451131][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.451260][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.451399][  T199]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.451529][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.451661][  T199]  ? __kernel_text_address (kernel/extable.c:79)
[    9.451791][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.451921][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.452049][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.452178][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.452311][  T199]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.452444][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.452574][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.452703][  T199]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.452832][  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)
[    9.452962][  T199]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.453091][  T199]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.453222][  T199]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.453362][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.453500][  T199]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.453631][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.453759][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.453888][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.454018][  T199]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.454146][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.454279][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.454418][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.454547][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.454678][  T199]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.454808][  T199]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.454938][  T199]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.455068][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.455199][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.455334][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.455471][  T199]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.455600][  T199]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.455730][  T199]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.455860][  T199]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.455990][  T199]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.456122][  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))
[    9.456250][  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))
[    9.456386][  T199]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.456523][  T199]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.456653][  T199]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.456785][  T199]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.456916][  T199]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.457046][  T199]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.457178][  T199]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.457313][  T199]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.457449][  T199]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.457610][  T199]  ? move_addr_to_kernel (net/socket.c:258)
[    9.457757][  T199]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.457887][  T199]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.458018][  T199]  ___sys_sendmsg (net/socket.c:2752)
[    9.458148][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.458313][  T199]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.458463][  T199]  __sys_sendmsg (net/socket.c:2784)
[    9.458601][  T199]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.458730][  T199]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.458893][  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)
[    9.459024][  T199]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.459154][  T199]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.459282][  T199]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.459429][  T199]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.459559][  T199]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.459720][  T199] RIP: 0033:0x7f898087b08e
[    9.459857][  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
[    9.460328][  T199] RSP: 002b:00007ffd2b0542b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.460535][  T199] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f898087b08e
[    9.460729][  T199] RDX: 0000000000000000 RSI: 00007ffd2b054360 RDI: 0000000000000005
[    9.460921][  T199] RBP: 00007ffd2b0542c0 R08: 0000000000000000 R09: 0000000000000000
[    9.461120][  T199] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ac
[    9.461322][  T199] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2b054a30
| [    9.617923][  T206] ------------[ cut here ]------------
| [    9.618084][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/206
| [    9.618322][  T206] Modules linked in:
| [    9.618754][  T206] Tainted: [W]=WARN
[    9.618854][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.619020][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.619201][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.619684][  T206] RSP: 0018:ffa0000000967a80 EFLAGS: 00010286
[    9.619853][  T206] RAX: 00000000ffffffa6 RBX: ff1100000d9c8200 RCX: 1ff400000012cf16
[    9.620049][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9c82bc
[    9.620253][  T206] RBP: ff1100000977c000 R08: 1fe2200001b39059 R09: ff110000100f2e80
[    9.620462][  T206] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.620659][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000977c000
[    9.620859][  T206] FS:  00007f40425dd840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[    9.621093][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.621259][  T206] CR2: 00007f40427dec20 CR3: 0000000004c2a001 CR4: 0000000000771ef0
[    9.621470][  T206] PKRU: 55555554
[    9.621570][  T206] Call Trace:
[    9.621670][  T206]  <TASK>
[    9.621738][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.621873][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.622008][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.622108][  T206]  register_netdevice (net/core/dev.c:11488)
[    9.622243][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.622884][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.623024][  T206]  register_netdev (net/core/dev.c:11552)
[    9.623160][  T206]  loopback_net_init (drivers/net/loopback.c:218)
[    9.623293][  T206]  ops_init (net/core/net_namespace.c:137)
[    9.623407][  T206]  setup_net (net/core/net_namespace.c:446)
[    9.623509][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.623640][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.623773][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.623907][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[    9.624041][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.624181][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.624318][  T206]  ksys_unshare (kernel/fork.c:3243)
[    9.624456][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.624589][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.624721][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.624856][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.624989][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.625121][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.625253][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.625391][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.625528][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.625660][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.625824][  T206] RIP: 0033:0x7f404289fbcb
[    9.625963][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.626440][  T206] RSP: 002b:00007ffe90e63668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.626636][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f404289fbcb
[    9.626833][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.627029][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.627227][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90e65890
[    9.627433][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90e66881
| [    9.631663][  T206] ------------[ cut here ]------------
| [    9.631801][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/206
| [    9.632028][  T206] Modules linked in:
| [    9.632399][  T206] Tainted: [W]=WARN
[    9.632499][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.632662][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.632831][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.633290][  T206] RSP: 0018:ffa0000000967918 EFLAGS: 00010286
[    9.633494][  T206] RAX: 00000000ffffffa6 RBX: ff1100000c766580 RCX: 1ff400000012cee9
[    9.633689][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c76663c
[    9.633880][  T206] RBP: ff110000098b1000 R08: 1fe22000018eccc9 R09: ff110000100f2e80
[    9.634074][  T206] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.634269][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098b1000
[    9.634475][  T206] FS:  00007f40425dd840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[    9.634703][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.634864][  T206] CR2: 00007f40427dec20 CR3: 0000000004c2a001 CR4: 0000000000771ef0
[    9.635061][  T206] PKRU: 55555554
[    9.635158][  T206] Call Trace:
[    9.635255][  T206]  <TASK>
[    9.635328][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.635463][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.635593][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.635692][  T206]  register_netdevice (net/core/dev.c:11488)
[    9.635825][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.635988][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.636120][  T206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.636251][  T206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.636383][  T206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.636520][  T206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.636650][  T206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.636782][  T206]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.636914][  T206]  ops_init (net/core/net_namespace.c:137)
[    9.637015][  T206]  setup_net (net/core/net_namespace.c:446)
[    9.637113][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.637241][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.637377][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.637513][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[    9.637643][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.637777][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.637910][  T206]  ksys_unshare (kernel/fork.c:3243)
[    9.638038][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.638168][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.638297][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.638435][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.638566][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.638695][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.638824][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.638952][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.639083][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.639212][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.639377][  T206] RIP: 0033:0x7f404289fbcb
[    9.639518][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.639975][  T206] RSP: 002b:00007ffe90e63668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.640171][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f404289fbcb
[    9.640367][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.640563][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.640756][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90e65890
[    9.640950][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90e66881
| [    9.644726][  T206] ------------[ cut here ]------------
| [    9.644858][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/206
| [    9.645088][  T206] Modules linked in:
| [    9.645463][  T206] Tainted: [W]=WARN
[    9.645561][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.645725][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.645894][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.646364][  T206] RSP: 0018:ffa00000009678f8 EFLAGS: 00010286
[    9.646536][  T206] RAX: 00000000ffffffa6 RBX: ff1100000c9aa900 RCX: 1ff400000012cee5
[    9.646730][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c9aa9bc
[    9.646925][  T206] RBP: ff110000059c9000 R08: 1fe2200001935539 R09: ff110000100f2e80
[    9.647119][  T206] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.647318][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059c9000
[    9.647520][  T206] FS:  00007f40425dd840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[    9.647750][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.647914][  T206] CR2: 00007f40427dec20 CR3: 0000000004c2a001 CR4: 0000000000771ef0
[    9.648112][  T206] PKRU: 55555554
[    9.648211][  T206] Call Trace:
[    9.648312][  T206]  <TASK>
[    9.648380][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.648516][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.648647][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.648746][  T206]  register_netdevice (net/core/dev.c:11488)
[    9.648879][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.649043][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.649176][  T206]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.649313][  T206]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.649450][  T206]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.649581][  T206]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.649712][  T206]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.649844][  T206]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.649977][  T206]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.650112][  T206]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.650242][  T206]  ops_init (net/core/net_namespace.c:137)
[    9.650347][  T206]  setup_net (net/core/net_namespace.c:446)
[    9.650451][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.650581][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.650712][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.650844][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[    9.650976][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.651110][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.651242][  T206]  ksys_unshare (kernel/fork.c:3243)
[    9.651378][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.651514][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.651645][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.651777][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.651910][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.652040][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.652171][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.652306][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.652442][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.652572][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.652733][  T206] RIP: 0033:0x7f404289fbcb
[    9.652870][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.653340][  T206] RSP: 002b:00007ffe90e63668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.653542][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f404289fbcb
[    9.653738][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.653933][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.654126][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90e65890
[    9.654327][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90e66881
| [    9.658350][  T206] ------------[ cut here ]------------
| [    9.658491][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/206
| [    9.658716][  T206] Modules linked in:
| [    9.659080][  T206] Tainted: [W]=WARN
[    9.659178][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.659348][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.659524][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.659987][  T206] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[    9.660151][  T206] RAX: 00000000ffffffa6 RBX: ff1100000d9c8ac0 RCX: 1ff400000012cf15
[    9.660348][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9c8b7c
[    9.660549][  T206] RBP: ff11000010321000 R08: 1fe2200001b39171 R09: ff110000100f2e80
[    9.660743][  T206] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[    9.660937][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010321000
[    9.661135][  T206] FS:  00007f40425dd840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[    9.661366][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.661534][  T206] CR2: 00007f40427dec20 CR3: 0000000004c2a001 CR4: 0000000000771ef0
[    9.661729][  T206] PKRU: 55555554
[    9.661825][  T206] Call Trace:
[    9.661922][  T206]  <TASK>
[    9.661988][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.662117][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.662249][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.662352][  T206]  register_netdevice (net/core/dev.c:11488)
[    9.662489][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.662649][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.662781][  T206]  register_netdev (net/core/dev.c:11552)
[    9.662911][  T206]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.663043][  T206]  ops_init (net/core/net_namespace.c:137)
[    9.663143][  T206]  setup_net (net/core/net_namespace.c:446)
[    9.663243][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.663377][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.663512][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.663643][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[    9.663774][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.663907][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.664039][  T206]  ksys_unshare (kernel/fork.c:3243)
[    9.664169][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.664299][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.664440][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.664572][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.664703][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.664831][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.664962][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.665094][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.665225][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.665358][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.665522][  T206] RIP: 0033:0x7f404289fbcb
[    9.665657][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.666122][  T206] RSP: 002b:00007ffe90e63668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.666319][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f404289fbcb
[    9.666518][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.666711][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.666906][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90e65890
[    9.667099][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90e66881
| [    9.679863][  T206] ------------[ cut here ]------------
| [    9.680047][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/206
| [    9.680336][  T206] Modules linked in:
| [    9.680810][  T206] Tainted: [W]=WARN
[    9.680955][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.681164][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.681387][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.681910][  T206] RSP: 0018:ffa0000000967a68 EFLAGS: 00010286
[    9.682121][  T206] RAX: 00000000ffffffa6 RBX: ff1100000dcba580 RCX: 1ff400000012cf13
[    9.682371][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000dcba63c
[    9.682629][  T206] RBP: ff1100000f249000 R08: 1fe2200001b974c9 R09: ff110000100f2e80
[    9.682870][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.683112][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f249000
[    9.683364][  T206] FS:  00007f40425dd840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[    9.683653][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.683865][  T206] CR2: 0000564ec13bbd5c CR3: 0000000004c2a001 CR4: 0000000000771ef0
[    9.684108][  T206] PKRU: 55555554
[    9.684253][  T206] Call Trace:
[    9.684419][  T206]  <TASK>
[    9.684536][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.684719][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.684901][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.685050][  T206]  register_netdevice (net/core/dev.c:11488)
[    9.685230][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.685462][  T206]  register_netdev (net/core/dev.c:11552)
[    9.685640][  T206]  sit_init_net (net/ipv6/sit.c:1860)
[    9.685821][  T206]  ops_init (net/core/net_namespace.c:137)
[    9.685970][  T206]  setup_net (net/core/net_namespace.c:446)
[    9.686119][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.686295][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.686495][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.686674][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[    9.686854][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.687035][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.687214][  T206]  ksys_unshare (kernel/fork.c:3243)
[    9.687419][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.687598][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.687775][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.687955][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.688135][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.688322][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.688511][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.688690][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.688871][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.689054][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.689262][  T206] RIP: 0033:0x7f404289fbcb
[    9.689469][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.689978][  T206] RSP: 002b:00007ffe90e63668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.690221][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f404289fbcb
[    9.690479][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.690721][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.690967][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90e65890
[    9.691209][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90e66881
| [    9.696280][  T206] ------------[ cut here ]------------
| [    9.696472][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/206
| [    9.696745][  T206] Modules linked in:
| [    9.697200][  T206] Tainted: [W]=WARN
[    9.697350][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.697577][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.697795][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.698312][  T206] RSP: 0018:ffa0000000967a78 EFLAGS: 00010286
[    9.698540][  T206] RAX: 00000000ffffffa6 RBX: ff1100000c3c2900 RCX: 1ff400000012cf15
[    9.698783][  T206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3c29bc
[    9.699025][  T206] RBP: ff1100000f9e1000 R08: 1fe2200001878539 R09: ff110000100f2e80
[    9.699267][  T206] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.699528][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9e1000
[    9.699773][  T206] FS:  00007f40425dd840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[    9.700049][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.700259][  T206] CR2: 0000564ec13bbd5c CR3: 0000000004c2a001 CR4: 0000000000771ef0
[    9.700522][  T206] PKRU: 55555554
[    9.700669][  T206] Call Trace:
[    9.700816][  T206]  <TASK>
[    9.700931][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.701111][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.701289][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.701457][  T206]  register_netdevice (net/core/dev.c:11488)
[    9.701637][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.701843][  T206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.702027][  T206]  register_netdev (net/core/dev.c:11552)
[    9.702206][  T206]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.702406][  T206]  ops_init (net/core/net_namespace.c:137)
[    9.702556][  T206]  setup_net (net/core/net_namespace.c:446)
[    9.702703][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.702878][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.703057][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.703241][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[    9.703443][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.703628][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.703807][  T206]  ksys_unshare (kernel/fork.c:3243)
[    9.703985][  T206]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.704162][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.704348][  T206]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.704587][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[    9.704768][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.704944][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.705121][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.705299][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.705498][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.705677][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.705886][  T206] RIP: 0033:0x7f404289fbcb
[    9.706073][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.706602][  T206] RSP: 002b:00007ffe90e63668 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.706843][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f404289fbcb
[    9.707084][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.707330][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[    9.707582][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe90e65890
[    9.707822][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe90e66881
| [    9.730918][  T207] ------------[ cut here ]------------
| [    9.731072][  T207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/207
| [    9.731296][  T207] Modules linked in:
| [    9.732042][  T207] Tainted: [W]=WARN
[    9.732140][  T207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.732301][  T207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.732483][  T207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.732940][  T207] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[    9.733102][  T207] RAX: 00000000ffffffa6 RBX: ff1100000d82c900 RCX: 1ff400000012cdca
[    9.733293][  T207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d82c9bc
[    9.733496][  T207] RBP: ff1100000977c000 R08: 1fe2200001b05939 R09: ff1100000a838b58
[    9.733686][  T207] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[    9.733878][  T207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.734075][  T207] FS:  00007f427359b840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.734306][  T207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.734474][  T207] CR2: 000000001ca3c988 CR3: 000000000b99d005 CR4: 0000000000771ef0
[    9.734671][  T207] PKRU: 55555554
[    9.734767][  T207] Call Trace:
[    9.734882][  T207]  <TASK>
[    9.734949][  T207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.735081][  T207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.735178][  T207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.735311][  T207]  __dev_notify_flags (net/core/dev.c:9787)
[    9.735450][  T207]  ? netif_change_name (net/core/dev.c:1495)
[    9.735580][  T207]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.735710][  T207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.735840][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.735970][  T207]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.736103][  T207]  netif_change_flags (net/core/dev.c:9820)
[    9.736232][  T207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.736367][  T207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.736506][  T207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.736636][  T207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.736797][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.736926][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.737053][  T207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.737181][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.737316][  T207]  ? __kernel_text_address (kernel/extable.c:79)
[    9.737452][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.737583][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.737712][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.737841][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.737970][  T207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.738097][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.738227][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.738359][  T207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.738494][  T207]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.738623][  T207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.738752][  T207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.738881][  T207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.739012][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.739143][  T207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.739275][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.739414][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.739544][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.739672][  T207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.739800][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.739933][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.740061][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.740190][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.740323][  T207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.740460][  T207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.740589][  T207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.740717][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.740846][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.740973][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.741106][  T207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.741235][  T207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.741371][  T207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.741504][  T207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.741634][  T207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.741766][  T207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.741895][  T207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.742026][  T207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.742156][  T207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.742286][  T207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.742431][  T207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.742561][  T207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.742690][  T207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.742821][  T207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.742952][  T207]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.743080][  T207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.743238][  T207]  ? move_addr_to_kernel (net/socket.c:258)
[    9.743374][  T207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.743507][  T207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.743638][  T207]  ___sys_sendmsg (net/socket.c:2752)
[    9.743767][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.743927][  T207]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.744067][  T207]  __sys_sendmsg (net/socket.c:2784)
[    9.744196][  T207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.744331][  T207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.744501][  T207]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.744632][  T207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.744763][  T207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.744890][  T207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.745018][  T207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.745147][  T207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.745312][  T207] RIP: 0033:0x7f42737d508e
[    9.745454][  T207] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.745916][  T207] RSP: 002b:00007ffc7f106b00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.746112][  T207] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f42737d508e
[    9.746311][  T207] RDX: 0000000000000000 RSI: 00007ffc7f106bb0 RDI: 0000000000000005
[    9.746511][  T207] RBP: 00007ffc7f106b10 R08: 0000000000000000 R09: 0000000000000000
[    9.746706][  T207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[    9.746900][  T207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7f107280
| [    9.785628][  T208] ------------[ cut here ]------------
| [    9.785843][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/208
| [    9.786177][  T208] Modules linked in:
| [    9.787154][  T208] Tainted: [W]=WARN
[    9.787300][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.787577][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.787812][  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
[    9.788351][  T208] RSP: 0018:ffa0000000976e30 EFLAGS: 00010286
[    9.788580][  T208] RAX: 00000000ffffffa6 RBX: ff1100000c74ae40 RCX: 1ff400000012ed8c
[    9.788828][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c74aefc
[    9.789078][  T208] RBP: ff1100001033c000 R08: 1fe22000018e95e1 R09: ff1100000e5cd180
[    9.789334][  T208] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.789595][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ceb800
[    9.789845][  T208] FS:  00007f58c63ba840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[    9.790126][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.790351][  T208] CR2: 00000000004a77b8 CR3: 000000000cbb5003 CR4: 0000000000771ef0
[    9.790613][  T208] PKRU: 55555554
[    9.790760][  T208] Call Trace:
[    9.790907][  T208]  <TASK>
[    9.791022][  T208]  ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[    9.791205][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.791415][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.791568][  T208]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.791753][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.791936][  T208]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.792116][  T208]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.792296][  T208]  ? irqentry_exit (./include/linux/irq-entry-common.h:507 ./include/linux/irq-entry-common.h:542 kernel/entry/common.c:164)
[    9.792500][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.792682][  T208]  ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1061 (discriminator 37) arch/x86/kernel/apic/apic.c:1061 (discriminator 37))
[    9.792897][  T208]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[    9.793084][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.793267][  T208]  veth_newlink (drivers/net/veth.c:1871)
[    9.793468][  T208]  ? veth_poll_controller (drivers/net/veth.c:1470)
[    9.793647][  T208]  ? kasan_save_stack (mm/kasan/common.c:57)
[    9.793829][  T208]  ? kasan_save_track (mm/kasan/common.c:78)
[    9.794009][  T208]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.794205][  T208]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[    9.794410][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[    9.794596][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.794779][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.794963][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[    9.795149][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[    9.795340][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.795538][  T208]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.795723][  T208]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.795907][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.796091][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.796278][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.796481][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.796660][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.796843][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.797025][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.797208][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.797417][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.797601][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.797783][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.797964][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.798145][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.798333][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.798533][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.798713][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.798895][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.799076][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.799257][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.799466][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.799648][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.799834][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.800016][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.800196][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.800385][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.800580][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.800762][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.800945][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.801126][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.801317][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.801543][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.801726][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.801908][  T208]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.802090][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.802269][  T208]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.802469][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.802658][  T208]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.802842][  T208]  ? 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))
[    9.803026][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.803208][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.803414][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.803599][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.803784][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.803965][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.804149][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.804338][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.804565][  T208] RIP: 0033:0x7f58c65f408e
[    9.804752][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.805273][  T208] RSP: 002b:00007ffe2629f180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.805541][  T208] RAX: ffffffffffffffda RBX: 00007ffe2629f910 RCX: 00007f58c65f408e
[    9.805787][  T208] RDX: 0000000000000000 RSI: 00007ffe2629f230 RDI: 0000000000000005
[    9.806032][  T208] RBP: 00007ffe2629f190 R08: 0000000000000000 R09: 0000000000000000
[    9.806278][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[    9.806545][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2629f8f0
| [    9.816092][  T208] ------------[ cut here ]------------
| [    9.816272][  T208] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/208
| [    9.816573][  T208] Modules linked in:
| [    9.817034][  T208] Tainted: [W]=WARN
[    9.817181][  T208] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.817419][  T208] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.817639][  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
[    9.818150][  T208] RSP: 0018:ffa00000009771b0 EFLAGS: 00010286
[    9.818374][  T208] RAX: 00000000ffffffa6 RBX: ff110000061bf700 RCX: 1ff400000012edfc
[    9.818695][  T208] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061bf7bc
[    9.818968][  T208] RBP: ff1100000f9a4000 R08: 1fe2200000c37ef9 R09: ff1100000e5cd180
[    9.819206][  T208] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.819469][  T208] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff99403b20
[    9.819717][  T208] FS:  00007f58c63ba840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[    9.819997][  T208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.820211][  T208] CR2: 00000000004a77b8 CR3: 000000000cbb5003 CR4: 0000000000771ef0
[    9.820477][  T208] PKRU: 55555554
[    9.820623][  T208] Call Trace:
[    9.820771][  T208]  <TASK>
[    9.820885][  T208]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.821067][  T208]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.821216][  T208]  __dev_notify_flags (net/core/dev.c:9787)
[    9.821419][  T208]  ? netif_change_name (net/core/dev.c:1495)
[    9.821601][  T208]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.821781][  T208]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.821963][  T208]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[    9.822148][  T208]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[    9.822336][  T208]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[    9.822530][  T208]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.822709][  T208]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.822892][  T208]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.823073][  T208]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[    9.823257][  T208]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.823467][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.823648][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.823828][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.824006][  T208]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.824185][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.824378][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.824572][  T208]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.824757][  T208]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.824937][  T208]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.825116][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.825295][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.825499][  T208]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.825677][  T208]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.825858][  T208]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.826037][  T208]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.826220][  T208]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.826424][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.826604][  T208]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.826785][  T208]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.826966][  T208]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.827147][  T208]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.827336][  T208]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.827533][  T208]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.827718][  T208]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.827899][  T208]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.828078][  T208]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.828257][  T208]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.828493][  T208]  ? move_addr_to_kernel (net/socket.c:258)
[    9.828677][  T208]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.828857][  T208]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[    9.829039][  T208]  ___sys_sendmsg (net/socket.c:2752)
[    9.829217][  T208]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[    9.829420][  T208]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.829607][  T208]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[    9.829793][  T208]  ? 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))
[    9.829975][  T208]  __sys_sendmsg (net/socket.c:2784)
[    9.830155][  T208]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.830348][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.830542][  T208]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.830723][  T208]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.830901][  T208]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.831080][  T208]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.831260][  T208]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.831491][  T208] RIP: 0033:0x7f58c65f408e
[    9.831676][  T208] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.832191][  T208] RSP: 002b:00007ffe2629f180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.832458][  T208] RAX: ffffffffffffffda RBX: 00007ffe2629f910 RCX: 00007f58c65f408e
[    9.832700][  T208] RDX: 0000000000000000 RSI: 00007ffe2629f230 RDI: 0000000000000005
[    9.832944][  T208] RBP: 00007ffe2629f190 R08: 0000000000000000 R09: 0000000000000000
[    9.833187][  T208] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[    9.833448][  T208] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2629f8f0
| [    9.862121][  T209] ------------[ cut here ]------------
| [    9.862267][  T209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/209
| [    9.862511][  T209] Modules linked in:
| [    9.862871][  T209] Tainted: [W]=WARN
[    9.862968][  T209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.863128][  T209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.863297][  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
[    9.863765][  T209] RSP: 0018:ffa0000000987020 EFLAGS: 00010286
[    9.863926][  T209] RAX: 00000000ffffffa6 RBX: ff110000061bfe00 RCX: 1ff4000000130dca
[    9.864118][  T209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000061bfebc
[    9.864314][  T209] RBP: ff1100001033c000 R08: 1fe2200000c37fd9 R09: ff110000102dae58
[    9.864511][  T209] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.864702][  T209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.864896][  T209] FS:  00007f9d9289c840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[    9.865122][  T209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.865283][  T209] CR2: 0000000011234988 CR3: 000000000cbb5005 CR4: 0000000000771ef0
[    9.865486][  T209] PKRU: 55555554
[    9.865582][  T209] Call Trace:
[    9.865677][  T209]  <TASK>
[    9.865744][  T209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.865875][  T209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.865974][  T209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.866103][  T209]  __dev_notify_flags (net/core/dev.c:9787)
[    9.866236][  T209]  ? netif_change_name (net/core/dev.c:1495)
[    9.866371][  T209]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.866503][  T209]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.866631][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.866760][  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))
[    9.866892][  T209]  netif_change_flags (net/core/dev.c:9820)
[    9.867022][  T209]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.867152][  T209]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.867283][  T209]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.867981][  T209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.868144][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.868274][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.868410][  T209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.868539][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.868673][  T209]  ? __kernel_text_address (kernel/extable.c:79)
[    9.868803][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.868935][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.869064][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.869195][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.869330][  T209]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.869466][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.869595][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.869725][  T209]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.869855][  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)
[    9.869985][  T209]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.870116][  T209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.870248][  T209]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.870385][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.870521][  T209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.870653][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.870781][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.870910][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.871040][  T209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.871170][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.871307][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.871439][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.871567][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.871696][  T209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.871827][  T209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.871956][  T209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.872086][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.872216][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.872349][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.872484][  T209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.872613][  T209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.872743][  T209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.872871][  T209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.873001][  T209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.873135][  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))
[    9.873264][  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))
[    9.873405][  T209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.873535][  T209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.873664][  T209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.873794][  T209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.873924][  T209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.874054][  T209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.874184][  T209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.874317][  T209]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.874451][  T209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.874612][  T209]  ? move_addr_to_kernel (net/socket.c:258)
[    9.874741][  T209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.874871][  T209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.875000][  T209]  ___sys_sendmsg (net/socket.c:2752)
[    9.875128][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.875290][  T209]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.875440][  T209]  __sys_sendmsg (net/socket.c:2784)
[    9.875569][  T209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.875697][  T209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.875860][  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)
[    9.875989][  T209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.876119][  T209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.876250][  T209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.876382][  T209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.876515][  T209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.876675][  T209] RIP: 0033:0x7f9d92ad608e
[    9.876809][  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
[    9.877270][  T209] RSP: 002b:00007ffe04297dc0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.877474][  T209] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9d92ad608e
[    9.877667][  T209] RDX: 0000000000000000 RSI: 00007ffe04297e70 RDI: 0000000000000005
[    9.877860][  T209] RBP: 00007ffe04297dd0 R08: 0000000000000000 R09: 0000000000000000
[    9.878053][  T209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[    9.878245][  T209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe04298530
| [    9.964559][  T212] ------------[ cut here ]------------
| [    9.964717][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/212
| [    9.964944][  T212] Modules linked in:
| [    9.965311][  T212] Tainted: [W]=WARN
[    9.965415][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.965575][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.965745][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.966215][  T212] RSP: 0018:ffa00000009b6ff8 EFLAGS: 00010286
[    9.966381][  T212] RAX: 00000000ffffffa6 RBX: ff1100000d305e00 RCX: 1ff4000000136dc5
[    9.966576][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d305ebc
[    9.966764][  T212] RBP: ff1100000f9a4000 R08: 1fe2200001a60bd9 R09: ff1100000a83ae58
[    9.966956][  T212] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.967146][  T212] R13: 0000000000000000 R14: ffa00000009b7140 R15: ff1100000c94b4d0
[    9.967343][  T212] FS:  00007f9935bc0840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.967575][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.967735][  T212] CR2: 00007f9935e901a0 CR3: 000000000b99d004 CR4: 0000000000771ef0
[    9.967927][  T212] PKRU: 55555554
[    9.968022][  T212] Call Trace:
[    9.968116][  T212]  <TASK>
[    9.968183][  T212]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[    9.968320][  T212]  __dev_change_net_namespace (net/core/dev.c:12635)
[    9.968486][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.968614][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.968743][  T212]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.968902][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.969027][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.969153][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.969278][  T212]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.969415][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.969543][  T212]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.969670][  T212]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.969800][  T212]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.969928][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.970086][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.970212][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.970343][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.970473][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.970600][  T212]  ? __kernel_text_address (kernel/extable.c:79)
[    9.970729][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.970856][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.970980][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.971107][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.971233][  T212]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.971363][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.971556][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.971683][  T212]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.971811][  T212]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.971938][  T212]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.972067][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.972195][  T212]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.972326][  T212]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.972462][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.972592][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.972721][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.972847][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.972973][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.973100][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.973225][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.973357][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.973490][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.973617][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.973745][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.973873][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.974002][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.974129][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.974256][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.974388][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.974524][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.974651][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.974779][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.974907][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.975035][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.975166][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.975295][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.975436][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.975566][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.975695][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.975824][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.975952][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.976081][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.976210][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.976342][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.976478][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.976637][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[    9.976763][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.976891][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.977018][  T212]  ___sys_sendmsg (net/socket.c:2752)
[    9.977144][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.977301][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.977451][  T212]  __sys_sendmsg (net/socket.c:2784)
[    9.977580][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.977707][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.977868][  T212]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.977996][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.978124][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.978252][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.978380][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.978511][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.978668][  T212] RIP: 0033:0x7f9935dfa08e
[    9.978804][  T212] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.979254][  T212] RSP: 002b:00007ffd34240f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.979461][  T212] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9935dfa08e
[    9.979649][  T212] RDX: 0000000000000000 RSI: 00007ffd34241030 RDI: 0000000000000005
[    9.979836][  T212] RBP: 00007ffd34240f90 R08: 0000000000000000 R09: 0000000000000000
[    9.980025][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[    9.980216][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd342416f0
| [    9.982861][  T212] ------------[ cut here ]------------
| [    9.982992][  T212] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/212
| [    9.983215][  T212] Modules linked in:
| [    9.983584][  T212] Tainted: [W]=WARN
[    9.983681][  T212] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.983841][  T212] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.984010][  T212] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.984473][  T212] RSP: 0018:ffa00000009b6fc0 EFLAGS: 00010286
[    9.984633][  T212] RAX: 00000000ffffffa6 RBX: ff11000001e483c0 RCX: 1ff4000000136dbe
[    9.984827][  T212] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4847c
[    9.985019][  T212] RBP: ff1100000f9a4000 R08: 1fe22000003c9091 R09: ff1100000a83ae58
[    9.985211][  T212] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[    9.985411][  T212] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c94b4d0
[    9.985606][  T212] FS:  00007f9935bc0840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[    9.985831][  T212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.985992][  T212] CR2: 00007f9935e901a0 CR3: 000000000b99d004 CR4: 0000000000771ef0
[    9.986183][  T212] PKRU: 55555554
[    9.986278][  T212] Call Trace:
[    9.986380][  T212]  <TASK>
[    9.986452][  T212]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.986583][  T212]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.986711][  T212]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.986809][  T212]  __dev_change_net_namespace (net/core/dev.c:12695)
[    9.986970][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.987097][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.987227][  T212]  ? default_device_exit_batch (net/core/dev.c:13091)
[    9.987392][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.987527][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.987655][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.987784][  T212]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.987912][  T212]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[    9.988040][  T212]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[    9.988170][  T212]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[    9.988301][  T212]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.988441][  T212]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.988601][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.988728][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.988856][  T212]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.988986][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.989113][  T212]  ? __kernel_text_address (kernel/extable.c:79)
[    9.989245][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.989380][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.989514][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.989644][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.989774][  T212]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.989904][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.990035][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.990164][  T212]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.990295][  T212]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.990435][  T212]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.990565][  T212]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.990694][  T212]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.990822][  T212]  ? nla_get_range_signed (lib/nlattr.c:270)
[    9.990954][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.991087][  T212]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.991218][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.991351][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.991485][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.991614][  T212]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.991741][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.991871][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.992000][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.992130][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.992263][  T212]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.992403][  T212]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.992533][  T212]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.992663][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.992790][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.992918][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.993047][  T212]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.993173][  T212]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.993309][  T212]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.993442][  T212]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.993572][  T212]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.993704][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.993832][  T212]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.993963][  T212]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.994095][  T212]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.994227][  T212]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.994363][  T212]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.994501][  T212]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.994633][  T212]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.994764][  T212]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.994895][  T212]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.995023][  T212]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.995184][  T212]  ? move_addr_to_kernel (net/socket.c:258)
[    9.995319][  T212]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.995454][  T212]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.995587][  T212]  ___sys_sendmsg (net/socket.c:2752)
[    9.995717][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.995882][  T212]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.996023][  T212]  __sys_sendmsg (net/socket.c:2784)
[    9.996154][  T212]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.996284][  T212]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.996458][  T212]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.996586][  T212]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.996716][  T212]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.996845][  T212]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.996973][  T212]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.997102][  T212]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.997265][  T212] RIP: 0033:0x7f9935dfa08e
[    9.997409][  T212] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.997873][  T212] RSP: 002b:00007ffd34240f80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.998067][  T212] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f9935dfa08e
[    9.998262][  T212] RDX: 0000000000000000 RSI: 00007ffd34241030 RDI: 0000000000000005
[    9.998465][  T212] RBP: 00007ffd34240f90 R08: 0000000000000000 R09: 0000000000000000
[    9.998657][  T212] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[    9.998850][  T212] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd342416f0
| [   10.080695][  T215] ------------[ cut here ]------------
| [   10.080885][  T215] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/215
| [   10.081161][  T215] Modules linked in:
| [   10.081697][  T215] Tainted: [W]=WARN
[   10.081841][  T215] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.082067][  T215] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.082283][  T215] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.082809][  T215] RSP: 0018:ffa00000009d7020 EFLAGS: 00010286
[   10.083018][  T215] RAX: 00000000ffffffa6 RBX: ff1100000a2311c0 RCX: 1ff400000013adca
[   10.083272][  T215] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a23127c
[   10.083527][  T215] RBP: ff1100000f9a4000 R08: 1fe2200001446251 R09: ff11000010352e58
[   10.083767][  T215] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.084017][  T215] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.084271][  T215] FS:  00007f5437885840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   10.084564][  T215] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.084773][  T215] CR2: 0000000008cb1988 CR3: 000000000b99d006 CR4: 0000000000771ef0
[   10.085014][  T215] PKRU: 55555554
[   10.085158][  T215] Call Trace:
[   10.085302][  T215]  <TASK>
[   10.085450][  T215]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.085629][  T215]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.085775][  T215]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.085952][  T215]  __dev_notify_flags (net/core/dev.c:9787)
[   10.086133][  T215]  ? netif_change_name (net/core/dev.c:1495)
[   10.086320][  T215]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.086512][  T215]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.086705][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.086884][  T215]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.087063][  T215]  netif_change_flags (net/core/dev.c:9820)
[   10.087241][  T215]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.087445][  T215]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.087629][  T215]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.087807][  T215]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.088028][  T215]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.088204][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.088385][  T215]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.088575][  T215]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.088751][  T215]  ? __kernel_text_address (kernel/extable.c:79)
[   10.088928][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.089119][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.089295][  T215]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.089494][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.089671][  T215]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.089847][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.090024][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.090214][  T215]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.090413][  T215]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.090603][  T215]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.090780][  T215]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.090958][  T215]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.091138][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.091326][  T215]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.091518][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.091693][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.091870][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.092059][  T215]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.092235][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.092433][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.092609][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.092786][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.092962][  T215]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.093142][  T215]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.093338][  T215]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.093530][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.093707][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.093884][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.094062][  T215]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.094237][  T215]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.094432][  T215]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.094608][  T215]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.094799][  T215]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.094979][  T215]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.095154][  T215]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.095339][  T215]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.095531][  T215]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.095708][  T215]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.095885][  T215]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.096062][  T215]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.096253][  T215]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.096456][  T215]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.096635][  T215]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.096810][  T215]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.097016][  T215]  ? move_addr_to_kernel (net/socket.c:258)
[   10.097194][  T215]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.097429][  T215]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.097629][  T215]  ___sys_sendmsg (net/socket.c:2752)
[   10.097805][  T215]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.098015][  T215]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.098206][  T215]  __sys_sendmsg (net/socket.c:2784)
[   10.098458][  T215]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.098640][  T215]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.098852][  T215]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.099044][  T215]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.099221][  T215]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.099420][  T215]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.099600][  T215]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.099779][  T215]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.099985][  T215] RIP: 0033:0x7f5437abf08e
[   10.100167][  T215] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.100705][  T215] RSP: 002b:00007ffcc2edb7f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.100947][  T215] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f5437abf08e
[   10.101186][  T215] RDX: 0000000000000000 RSI: 00007ffcc2edb8a0 RDI: 0000000000000005
[   10.101461][  T215] RBP: 00007ffcc2edb800 R08: 0000000000000000 R09: 0000000000000000
[   10.101699][  T215] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[   10.101937][  T215] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc2edbf70
| [   10.105170][   T38] ------------[ cut here ]------------
| [   10.105347][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/38
| [   10.105611][   T38] Modules linked in:
| [   10.106056][   T38] Tainted: [W]=WARN
[   10.106145][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.106294][   T38] Workqueue: events_unbound linkwatch_event
[   10.106507][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.106669][   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
[   10.107093][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   10.107243][   T38] RAX: 00000000ffffffa6 RBX: ff1100000b9a9a80 RCX: 1ff4000000055f02
[   10.107531][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9a9b3c
[   10.107766][   T38] RBP: ff1100000f9a4000 R08: 1fe2200001735369 R09: ff11000001da2ea8
[   10.108037][   T38] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.108317][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.108606][   T38] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   10.108912][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.109061][   T38] CR2: 000055fc000ccd78 CR3: 000000004c54d006 CR4: 0000000000771ef0
[   10.109241][   T38] PKRU: 55555554
[   10.109338][   T38] Call Trace:
[   10.109434][   T38]  <TASK>
[   10.109498][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.109619][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.109741][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.109833][   T38]  netif_state_change (net/core/dev.c:1605)
[   10.109953][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.110108][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.110227][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.110353][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.110482][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.110601][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.110722][   T38]  process_one_work (kernel/workqueue.c:3314)
[   10.110847][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.110966][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.111089][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.111213][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.111337][   T38]  kthread (kernel/kthread.c:436)
[   10.111433][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.111585][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.111706][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.111826][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.111974][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.112095][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.112215][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.114166][   T38] ------------[ cut here ]------------
| [   10.114287][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/38
| [   10.114539][   T38] Modules linked in:
| [   10.114949][   T38] Tainted: [W]=WARN
[   10.115038][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.115188][   T38] Workqueue: events_unbound linkwatch_event
[   10.115347][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.115510][   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
[   10.115938][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   10.116090][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c3c2040 RCX: 1ff4000000055f02
[   10.116269][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c3c20fc
[   10.116507][   T38] RBP: ff1100001033c000 R08: 1fe2200001878421 R09: ff11000001da2ea8
[   10.116692][   T38] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   10.116870][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.117050][   T38] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   10.117261][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.117422][   T38] CR2: 000055fc000ccd78 CR3: 000000004c54d006 CR4: 0000000000771ef0
[   10.117600][   T38] PKRU: 55555554
[   10.117689][   T38] Call Trace:
[   10.117778][   T38]  <TASK>
[   10.117839][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.117959][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.118078][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.118171][   T38]  netif_state_change (net/core/dev.c:1605)
[   10.118290][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.118451][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.118569][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.118689][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.118810][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.118930][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.119051][   T38]  process_one_work (kernel/workqueue.c:3314)
[   10.119174][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.119292][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.119433][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.119555][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.119674][   T38]  kthread (kernel/kthread.c:436)
[   10.119772][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.119920][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.120039][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.120159][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.120313][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.120436][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.120557][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.195263][  T216] ------------[ cut here ]------------
| [   10.195440][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.195684][  T216] Modules linked in:
| [   10.196065][  T216] Tainted: [W]=WARN
[   10.196169][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.196366][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.196560][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.197055][  T216] RSP: 0018:ffa00000009e6e90 EFLAGS: 00010286
[   10.197227][  T216] RAX: 00000000ffffffa6 RBX: ff1100000de803c0 RCX: 1ff400000013cd98
[   10.197442][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de8047c
[   10.197643][  T216] RBP: ff1100001033c000 R08: 1fe2200001bd0091 R09: ff11000010355158
[   10.197844][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.198044][  T216] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   10.198248][  T216] FS:  00007f6a8a549840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   10.198497][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.198665][  T216] CR2: 00000000399573b8 CR3: 0000000010367002 CR4: 0000000000771ef0
[   10.198867][  T216] PKRU: 55555554
[   10.198968][  T216] Call Trace:
[   10.199068][  T216]  <TASK>
[   10.199139][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.199278][  T216]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   10.199430][  T216]  notifier_call_chain (kernel/notifier.c:85)
[   10.199568][  T216]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   10.199704][  T216]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   10.199874][  T216]  veth_xdp_set (drivers/net/veth.c:1638)
[   10.200010][  T216]  ? veth_xdp_set (drivers/net/veth.c:1608 (discriminator 2))
[   10.200144][  T216]  dev_xdp_install (net/core/dev.c:10348)
[   10.200280][  T216]  ? netif_set_xps_queue (net/core/dev.c:3063)
[   10.200429][  T216]  dev_xdp_attach (net/core/dev.c:10504)
[   10.200564][  T216]  ? __bpf_prog_get (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:2013 kernel/bpf/syscall.c:2550 kernel/bpf/syscall.c:2598)
[   10.200699][  T216]  ? bpf_xdp_link_update (./include/net/netdev_lock.h:33)
[   10.200837][  T216]  ? __bpf_prog_get (kernel/bpf/syscall.c:2550)
[   10.200972][  T216]  dev_change_xdp_fd (net/core/dev.c:10759)
[   10.201108][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3440 (discriminator 1))
[   10.201246][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.201390][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.201564][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.201697][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.201831][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.201964][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.202099][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[   10.202236][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.202380][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.202579][  T216]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.202716][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.202849][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.202982][  T216]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.203117][  T216]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.203253][  T216]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.203451][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.203588][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.203779][  T216]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.203916][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.204053][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.204188][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.204328][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.204542][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.204677][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.204810][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.204944][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.205078][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.205211][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.205352][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.205545][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.205680][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.205814][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.205946][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.206079][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.206214][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.206351][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.206543][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.206676][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.206812][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.206949][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.207082][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.207217][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.207356][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.207549][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.207684][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.207819][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.207957][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.208093][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.208228][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.208371][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.208594][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   10.208729][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.208864][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.209000][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   10.209134][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.209302][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.209509][  T216]  __sys_sendmsg (net/socket.c:2784)
[   10.209644][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.209779][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.209947][  T216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.210084][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.210219][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.210359][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.210550][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.210684][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.210852][  T216] RIP: 0033:0x7f6a8a78308e
[   10.210995][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.211641][  T216] RSP: 002b:00007fffc01e4cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.211847][  T216] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6a8a78308e
[   10.212047][  T216] RDX: 0000000000000000 RSI: 00007fffc01e4d80 RDI: 0000000000000005
[   10.212249][  T216] RBP: 00007fffc01e4ce0 R08: 0000000000000000 R09: 0000000000000000
[   10.212590][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[   10.212792][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc01e5450
| [   10.222529][  T216] ------------[ cut here ]------------
| [   10.222668][  T216] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/216
| [   10.222890][  T216] Modules linked in:
| [   10.223250][  T216] Tainted: [W]=WARN
[   10.223350][  T216] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.223613][  T216] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.223780][  T216] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.224235][  T216] RSP: 0018:ffa00000009e70a0 EFLAGS: 00010286
[   10.224406][  T216] RAX: 00000000ffffffa6 RBX: ff1100000de80040 RCX: 1ff400000013cdda
[   10.224598][  T216] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de800fc
[   10.224789][  T216] RBP: ff1100000f9a4000 R08: 1fe2200001bd0021 R09: ff11000010355158
[   10.224981][  T216] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   10.225172][  T216] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c94dfe4
[   10.225371][  T216] FS:  00007f6a8a549840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   10.225613][  T216] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.225775][  T216] CR2: 00000000399573b8 CR3: 0000000010367002 CR4: 0000000000771ef0
[   10.225969][  T216] PKRU: 55555554
[   10.226065][  T216] Call Trace:
[   10.226160][  T216]  <TASK>
[   10.226227][  T216]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.226361][  T216]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.226497][  T216]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.226596][  T216]  netif_state_change (net/core/dev.c:1605)
[   10.226725][  T216]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.226885][  T216]  ? dev_change_xdp_fd (net/core/dev.c:10759)
[   10.227014][  T216]  do_setlink.isra.0 (net/core/rtnetlink.c:3453)
[   10.227143][  T216]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.227272][  T216]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.227440][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.227571][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.227703][  T216]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.227830][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.227958][  T216]  ? __kernel_text_address (kernel/extable.c:79)
[   10.228088][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.228219][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.228350][  T216]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.228485][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.228613][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.228740][  T216]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.228869][  T216]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.228997][  T216]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.229125][  T216]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.229254][  T216]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.229387][  T216]  ? nla_get_range_signed (lib/nlattr.c:270)
[   10.229525][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.229655][  T216]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.229786][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.229914][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.230044][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.230172][  T216]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.230300][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.230442][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.230573][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.230701][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.230831][  T216]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.230960][  T216]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.231087][  T216]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.231215][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.231348][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.231483][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.231612][  T216]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.231741][  T216]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.231869][  T216]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.231996][  T216]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.232125][  T216]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.232256][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.232391][  T216]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.232528][  T216]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.232658][  T216]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.232788][  T216]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.232919][  T216]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.233049][  T216]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.233180][  T216]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.233313][  T216]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.233447][  T216]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.233576][  T216]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.233737][  T216]  ? move_addr_to_kernel (net/socket.c:258)
[   10.233867][  T216]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.233996][  T216]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.234127][  T216]  ___sys_sendmsg (net/socket.c:2752)
[   10.234255][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.234427][  T216]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.234568][  T216]  __sys_sendmsg (net/socket.c:2784)
[   10.234696][  T216]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.234824][  T216]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.234985][  T216]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.235114][  T216]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.235243][  T216]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.235376][  T216]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.235512][  T216]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.235640][  T216]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.235798][  T216] RIP: 0033:0x7f6a8a78308e
[   10.235934][  T216] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.236404][  T216] RSP: 002b:00007fffc01e4cd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.236599][  T216] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6a8a78308e
[   10.236792][  T216] RDX: 0000000000000000 RSI: 00007fffc01e4d80 RDI: 0000000000000005
[   10.236984][  T216] RBP: 00007fffc01e4ce0 R08: 0000000000000000 R09: 0000000000000000
[   10.237180][  T216] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6ad
[   10.237378][  T216] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffc01e5450
| [   14.429737][   T12] ------------[ cut here ]------------
| [   14.429933][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   14.430177][   T12] Modules linked in:
| [   14.430659][   T12] Tainted: [W]=WARN
[   14.430751][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.430929][   T12] Workqueue: netns cleanup_net
[   14.431106][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.431290][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.431733][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.431886][   T12] RAX: 00000000ffffffa6 RBX: ff110000132acc80 RCX: 1ff4000000018eed
[   14.432066][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132acd3c
[   14.432241][   T12] RBP: ff1100000f9e1000 R08: 1fe22000026559a9 R09: ff11000001aed1d0
[   14.432431][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   14.432608][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.432784][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   14.432989][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.433140][   T12] CR2: 00007efc057628f4 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.433322][   T12] PKRU: 55555554
[   14.433468][   T12] Call Trace:
[   14.433556][   T12]  <TASK>
[   14.433620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.433773][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.433919][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.434041][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.434166][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.434284][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.434457][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.434577][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.434699][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.434816][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.434936][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.435055][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.435171][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.435298][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.435467][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.435633][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.435756][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.435873][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.435996][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.436119][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.436239][   T12]  kthread (kernel/kthread.c:436)
[   14.436333][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.436530][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.436647][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.436768][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.436917][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.437036][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.437155][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.440066][   T12] ------------[ cut here ]------------
| [   14.440202][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   14.440458][   T12] Modules linked in:
| [   14.440831][   T12] Tainted: [W]=WARN
[   14.440928][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.441079][   T12] Workqueue: netns cleanup_net
[   14.441206][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.441363][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.441799][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.441949][   T12] RAX: 00000000ffffffa6 RBX: ff110000132d8ac0 RCX: 1ff4000000018eed
[   14.442128][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132d8b7c
[   14.442303][   T12] RBP: ff1100000f249000 R08: 1fe220000265b171 R09: ff11000001aed1d0
[   14.442495][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.442676][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.442855][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   14.443063][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.443211][   T12] CR2: 00007ff3bf3c4000 CR3: 000000004c54d005 CR4: 0000000000771ef0
[   14.443404][   T12] PKRU: 55555554
[   14.443493][   T12] Call Trace:
[   14.443586][   T12]  <TASK>
[   14.443651][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.443807][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.443955][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.444075][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.444196][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.444323][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.444450][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.444572][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.444693][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.444811][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.444932][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.445054][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.445171][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.445292][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.445421][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.445543][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.445669][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.445787][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.445908][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.446029][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.446149][   T12]  kthread (kernel/kthread.c:436)
[   14.446240][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.446392][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.446566][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.446684][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.446837][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.446957][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.447078][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.453829][   T12] ------------[ cut here ]------------
| [   14.453955][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   14.454190][   T12] Modules linked in:
| [   14.455429][   T12] Tainted: [W]=WARN
[   14.455521][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.455670][   T12] Workqueue: netns cleanup_net
[   14.455793][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.455949][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.456377][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.456580][   T12] RAX: 00000000ffffffa6 RBX: ff110000132d9540 RCX: 1ff4000000018eed
[   14.456801][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132d95fc
[   14.456977][   T12] RBP: ff11000010321000 R08: 1fe220000265b2c1 R09: ff11000001aed1d0
[   14.457154][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.457332][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.457559][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   14.457764][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.457910][   T12] CR2: 00007ff3bf3c4000 CR3: 000000004c54d005 CR4: 0000000000771ef0
[   14.458088][   T12] PKRU: 55555554
[   14.458180][   T12] Call Trace:
[   14.458269][   T12]  <TASK>
[   14.458336][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.458539][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.458690][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.458810][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.458930][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.459048][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.459168][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.459289][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.459464][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.459584][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.459706][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.459825][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.459943][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.460063][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.460180][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.460311][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.460484][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.460603][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.460727][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.460854][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.460972][   T12]  kthread (kernel/kthread.c:436)
[   14.461060][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.461207][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.461331][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.461499][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.461650][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.461773][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.461895][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.465184][   T12] ------------[ cut here ]------------
| [   14.465358][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.465655][   T12] Modules linked in:
| [   14.466109][   T12] Tainted: [W]=WARN
[   14.466245][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.466901][   T12] Workqueue: netns cleanup_net
[   14.467107][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.467307][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.467795][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.467994][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d956ac0 RCX: 1ff4000000018eed
[   14.468218][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d956b7c
[   14.468463][   T12] RBP: ff110000059c9000 R08: 1fe2200001b2ad71 R09: ff11000001aed1d0
[   14.468685][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.468909][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.469144][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.469418][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.469615][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.469838][   T12] PKRU: 55555554
[   14.469972][   T12] Call Trace:
[   14.470108][   T12]  <TASK>
[   14.470217][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.470438][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.470632][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.470799][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.470969][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.471137][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.471305][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.471500][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.471670][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.471835][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.472004][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.472173][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.472348][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.472531][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.472698][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.472867][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.473040][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.473206][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.473385][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.473571][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.473741][   T12]  kthread (kernel/kthread.c:436)
[   14.473879][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.474076][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.474245][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.474434][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.474659][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.474828][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.474999][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.477485][   T12] ------------[ cut here ]------------
| [   14.477652][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.477930][   T12] Modules linked in:
| [   14.478389][   T12] Tainted: [W]=WARN
[   14.478663][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.478869][   T12] Workqueue: netns cleanup_net
[   14.479039][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.479240][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.479727][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.479921][   T12] RAX: 00000000ffffffa6 RBX: ff110000132be200 RCX: 1ff4000000018eed
[   14.480142][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132be2bc
[   14.480376][   T12] RBP: ff110000098b1000 R08: 1fe2200002657c59 R09: ff11000001aed1d0
[   14.480613][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.480837][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.481093][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.481386][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.481598][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.481824][   T12] PKRU: 55555554
[   14.481988][   T12] Call Trace:
[   14.482153][   T12]  <TASK>
[   14.482259][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.482490][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.482685][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.482852][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.483023][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.483194][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.483365][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.483545][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.483719][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.483884][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.484055][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.484222][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.484406][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.484574][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.484740][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.484909][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.485083][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.485249][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.485443][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.485615][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.485781][   T12]  kthread (kernel/kthread.c:436)
[   14.485917][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.486111][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.486280][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.486468][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.486662][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.486827][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.486993][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.500352][   T12] ------------[ cut here ]------------
| [   14.500591][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.500933][   T12] Modules linked in:
| [   14.501544][   T12] Tainted: [W]=WARN
[   14.501734][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.501987][   T12] Workqueue: netns cleanup_net
[   14.502226][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.502507][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.503051][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   14.503342][   T12] RAX: 00000000ffffffa6 RBX: ff110000132bb700 RCX: 1ff4000000018eaf
[   14.503639][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132bb7bc
[   14.503923][   T12] RBP: ff1100000f9a4000 R08: 1fe22000026576f9 R09: ff11000001aed1d0
[   14.504201][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   14.504504][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001033c000
[   14.504789][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.505104][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.505365][   T12] CR2: 00007ff8fac3df98 CR3: 0000000004e30001 CR4: 0000000000771ef0
[   14.505659][   T12] PKRU: 55555554
[   14.505848][   T12] Call Trace:
[   14.506035][   T12]  <TASK>
[   14.506191][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.506376][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.506538][   T12]  netif_close_many (net/core/dev.c:1804)
[   14.506712][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.506883][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.507055][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.507226][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   14.507421][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.507630][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   14.507867][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.508042][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.508243][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.508438][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.508609][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.508817][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.508993][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.509171][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.509350][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.509537][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.509711][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.509885][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.510056][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.510234][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.510433][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.510605][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.510782][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.510954][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.511130][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.511305][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.511498][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.511679][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.511855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.512025][   T12]  kthread (kernel/kthread.c:436)
[   14.512165][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.512380][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.512594][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.512771][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.513006][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.513177][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.513356][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.516572][   T12] ------------[ cut here ]------------
| [   14.516745][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.517037][   T12] Modules linked in:
| [   14.517591][   T12] Tainted: [W]=WARN
[   14.517734][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.517937][   T12] Workqueue: netns cleanup_net
[   14.518115][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.518330][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.518834][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   14.519038][   T12] RAX: 00000000ffffffa6 RBX: ff110000027c2e40 RCX: 1ff4000000018eaf
[   14.519269][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000027c2efc
[   14.519522][   T12] RBP: ff1100001033c000 R08: 1fe22000004f85e1 R09: ff11000001aed1d0
[   14.519757][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   14.519987][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000977c000
[   14.520219][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.520501][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.520707][   T12] CR2: 00007ff8fac3df98 CR3: 0000000004e30001 CR4: 0000000000771ef0
[   14.520943][   T12] PKRU: 55555554
[   14.521083][   T12] Call Trace:
[   14.521223][   T12]  <TASK>
[   14.521346][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.521536][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.521708][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.521853][   T12]  netif_close_many (net/core/dev.c:1804)
[   14.522030][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.522201][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.522380][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.522567][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   14.522740][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.522973][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   14.523177][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.523360][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.523575][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.523748][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.523916][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.524121][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.524297][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.524494][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.524670][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.524844][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.525018][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.525193][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.525367][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.525585][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.525761][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.525935][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.526109][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.526282][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.526478][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.526656][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.526828][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.527037][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.527215][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.527423][   T12]  kthread (kernel/kthread.c:436)
[   14.527566][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.527769][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.527941][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.528117][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.528331][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.528519][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.528697][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.538529][   T12] ------------[ cut here ]------------
| [   14.538703][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.538993][   T12] Modules linked in:
| [   14.539485][   T12] Tainted: [W]=WARN
[   14.539628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.539830][   T12] Workqueue: netns cleanup_net
[   14.540017][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.540223][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.540729][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   14.540932][   T12] RAX: 00000000ffffffa6 RBX: ff110000132c4200 RCX: 1ff4000000018eaf
[   14.541162][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132c42bc
[   14.541409][   T12] RBP: ff1100000977c000 R08: 1fe2200002658859 R09: ff11000001aed1d0
[   14.541644][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   14.541872][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   14.542104][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.542374][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.542649][   T12] CR2: 00007ff8fac3df98 CR3: 0000000004e30001 CR4: 0000000000771ef0
[   14.542936][   T12] PKRU: 55555554
[   14.543074][   T12] Call Trace:
[   14.543213][   T12]  <TASK>
[   14.543330][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.543515][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.543686][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.543829][   T12]  netif_close_many (net/core/dev.c:1804)
[   14.544000][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.544172][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.544348][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.544535][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   14.544707][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.544910][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   14.545114][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.545286][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.545505][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.545677][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.545847][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.546048][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   14.546222][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.546411][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.546581][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.546759][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.546932][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.547105][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.547274][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.547470][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.547643][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.547814][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.547986][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.548160][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.548341][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.548531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.548702][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.548876][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.549052][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.549225][   T12]  kthread (kernel/kthread.c:436)
[   14.549378][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.549592][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.549766][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.549939][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.550140][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.550312][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.550505][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.567030][   T12] ------------[ cut here ]------------
| [   14.567197][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.567519][   T12] Modules linked in:
| [   14.567972][   T12] Tainted: [W]=WARN
[   14.568108][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.568301][   T12] Workqueue: netns cleanup_net
[   14.568493][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.568708][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.569174][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   14.569379][   T12] RAX: 00000000ffffffa6 RBX: ff110000132d8040 RCX: 1ff4000000018ed5
[   14.569617][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132d80fc
[   14.569839][   T12] RBP: ff1100000f9a4000 R08: 1fe220000265b021 R09: ff11000001aed1d0
[   14.570062][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.570284][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.570527][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.570782][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.570976][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.571201][   T12] PKRU: 55555554
[   14.571341][   T12] Call Trace:
[   14.571491][   T12]  <TASK>
[   14.571599][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.571799][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.571993][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.572160][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.572332][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.572550][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.572719][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.572886][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.573056][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.573223][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.573411][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.573575][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.573744][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.573912][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.574077][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.574244][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.574433][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.574603][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.574772][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.574938][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.575110][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.575280][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.575471][   T12]  kthread (kernel/kthread.c:436)
[   14.575611][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.575805][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.575973][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.576141][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.576342][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.576523][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.576691][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.580566][   T12] ------------[ cut here ]------------
| [   14.580732][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.581017][   T12] Modules linked in:
| [   14.581496][   T12] Tainted: [W]=WARN
[   14.581632][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.581827][   T12] Workqueue: netns cleanup_net
[   14.581998][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.582203][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.582691][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   14.582889][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e49a80 RCX: 1ff4000000018ed5
[   14.583116][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e49b3c
[   14.583347][   T12] RBP: ff1100001033c000 R08: 1fe22000003c9369 R09: ff11000001aed1d0
[   14.583718][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.584067][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.584388][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.584753][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.584995][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.585266][   T12] PKRU: 55555554
[   14.585466][   T12] Call Trace:
[   14.585648][   T12]  <TASK>
[   14.585853][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.586100][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.586348][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.586574][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.586785][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.587029][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.587242][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.587478][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.587696][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.587912][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.588126][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.588344][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.588575][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.588789][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.589000][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.589214][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.589453][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.589670][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.589887][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.590098][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.590305][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.590499][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.590666][   T12]  kthread (kernel/kthread.c:436)
[   14.590806][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.591002][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.591171][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.591347][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.591558][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.591726][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.591893][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.594807][   T12] ------------[ cut here ]------------
| [   14.594970][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.595250][   T12] Modules linked in:
| [   14.596144][   T12] Tainted: [W]=WARN
[   14.596382][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.596690][   T12] Workqueue: netns cleanup_net
[   14.596957][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.597259][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.597833][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   14.598152][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d921000 RCX: 1ff4000000018ed5
[   14.598479][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9210bc
[   14.598747][   T12] RBP: ff1100000977c000 R08: 1fe2200001b24219 R09: ff11000001aed1d0
[   14.599014][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.599249][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.599495][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.599753][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.599948][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.600174][   T12] PKRU: 55555554
[   14.600310][   T12] Call Trace:
[   14.600468][   T12]  <TASK>
[   14.600577][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.600782][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.600977][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.601143][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.601311][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   14.601532][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.601702][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.601869][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.602039][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.602208][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.602387][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.602569][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.602740][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.602908][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.603073][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.603241][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.603430][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.603601][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.603772][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.603939][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.604112][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.604284][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.604470][   T12]  kthread (kernel/kthread.c:436)
[   14.604610][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.604803][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.604971][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.605139][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.605342][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.605522][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.605689][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.618967][  T233] ------------[ cut here ]------------
| [   14.619115][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/233
| [   14.619349][  T233] Modules linked in:
| [   14.619780][  T233] Tainted: [W]=WARN
[   14.619879][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.620044][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.620215][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.620692][  T233] RSP: 0018:ffa0000000a67a80 EFLAGS: 00010286
[   14.620857][  T233] RAX: 00000000ffffffa6 RBX: ff1100000b4be200 RCX: 1ff400000014cf16
[   14.621054][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4be2bc
[   14.621253][  T233] RBP: ff110000090d4000 R08: 1fe2200001697c59 R09: ff1100000a3dae80
[   14.621459][  T233] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.621651][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000090d4000
[   14.621848][  T233] FS:  00007f8f4b6df840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   14.622079][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.622243][  T233] CR2: 00007f8f4b8e6430 CR3: 0000000009aaf004 CR4: 0000000000771ef0
[   14.622452][  T233] PKRU: 55555554
[   14.622550][  T233] Call Trace:
[   14.622648][  T233]  <TASK>
[   14.622716][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.622847][  T233]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.622978][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.623078][  T233]  register_netdevice (net/core/dev.c:11488)
[   14.623209][  T233]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.623378][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.623516][  T233]  register_netdev (net/core/dev.c:11552)
[   14.623646][  T233]  loopback_net_init (drivers/net/loopback.c:218)
[   14.623777][  T233]  ops_init (net/core/net_namespace.c:137)
[   14.623878][  T233]  setup_net (net/core/net_namespace.c:446)
[   14.623976][  T233]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.624106][  T233]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.624236][  T233]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.624372][  T233]  copy_net_ns (net/core/net_namespace.c:579)
[   14.624506][  T233]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.624639][  T233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.624773][  T233]  ksys_unshare (kernel/fork.c:3243)
[   14.624905][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.625037][  T233]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.625170][  T233]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.625303][  T233]  ? __ia32_sys_open (fs/open.c:1374)
[   14.625444][  T233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.625575][  T233]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.625706][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.625836][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.625967][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.626098][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.626260][  T233] RIP: 0033:0x7f8f4b9a1bcb
[   14.626408][  T233] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.626874][  T233] RSP: 002b:00007ffd00eeef68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.627071][  T233] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f4b9a1bcb
[   14.627267][  T233] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.627472][  T233] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.627669][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd00ef1190
[   14.627862][  T233] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00ef1886
| [   14.631664][  T233] ------------[ cut here ]------------
| [   14.631799][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/233
| [   14.632026][  T233] Modules linked in:
| [   14.632391][  T233] Tainted: [W]=WARN
[   14.632496][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.632659][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.632827][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.633287][  T233] RSP: 0018:ffa0000000a67918 EFLAGS: 00010286
[   14.633465][  T233] RAX: 00000000ffffffa6 RBX: ff110000130431c0 RCX: 1ff400000014cee9
[   14.633658][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001304327c
[   14.633853][  T233] RBP: ff1100000a924000 R08: 1fe2200002608651 R09: ff1100000a3dae80
[   14.634048][  T233] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.634243][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a924000
[   14.634451][  T233] FS:  00007f8f4b6df840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   14.634678][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.634840][  T233] CR2: 00007f8f4b8e6430 CR3: 0000000009aaf004 CR4: 0000000000771ef0
[   14.635036][  T233] PKRU: 55555554
[   14.635134][  T233] Call Trace:
[   14.635232][  T233]  <TASK>
[   14.635298][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.635439][  T233]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.635570][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.635670][  T233]  register_netdevice (net/core/dev.c:11488)
[   14.635800][  T233]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.635966][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.636098][  T233]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.636228][  T233]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.636362][  T233]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.636500][  T233]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.636631][  T233]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.636763][  T233]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   14.636895][  T233]  ops_init (net/core/net_namespace.c:137)
[   14.636996][  T233]  setup_net (net/core/net_namespace.c:446)
[   14.637094][  T233]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.637224][  T233]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.637357][  T233]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.637496][  T233]  copy_net_ns (net/core/net_namespace.c:579)
[   14.637627][  T233]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.637759][  T233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.637893][  T233]  ksys_unshare (kernel/fork.c:3243)
[   14.638022][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.638152][  T233]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.638282][  T233]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.638423][  T233]  ? __ia32_sys_open (fs/open.c:1374)
[   14.638557][  T233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.638686][  T233]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.638818][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.638946][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.639076][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.639207][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.639375][  T233] RIP: 0033:0x7f8f4b9a1bcb
[   14.639517][  T233] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.639980][  T233] RSP: 002b:00007ffd00eeef68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.640176][  T233] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f4b9a1bcb
[   14.640372][  T233] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.640569][  T233] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.640763][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd00ef1190
[   14.640957][  T233] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00ef1886
| [   14.645174][  T233] ------------[ cut here ]------------
| [   14.645311][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/233
| [   14.645553][  T233] Modules linked in:
| [   14.645918][  T233] Tainted: [W]=WARN
[   14.646019][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.646182][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.646358][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.646830][  T233] RSP: 0018:ffa0000000a678f8 EFLAGS: 00010286
[   14.646997][  T233] RAX: 00000000ffffffa6 RBX: ff1100000f1aa900 RCX: 1ff400000014cee5
[   14.647194][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1aa9bc
[   14.647401][  T233] RBP: ff1100000a86c000 R08: 1fe2200001e35539 R09: ff1100000a3dae80
[   14.647596][  T233] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.647792][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a86c000
[   14.647990][  T233] FS:  00007f8f4b6df840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   14.648222][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.648390][  T233] CR2: 00007f8f4b8e6430 CR3: 0000000009aaf004 CR4: 0000000000771ef0
[   14.648595][  T233] PKRU: 55555554
[   14.648694][  T233] Call Trace:
[   14.648793][  T233]  <TASK>
[   14.648861][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.648993][  T233]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.649126][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.649227][  T233]  register_netdevice (net/core/dev.c:11488)
[   14.649365][  T233]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.649536][  T233]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.649670][  T233]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.649803][  T233]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.649935][  T233]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.650069][  T233]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.650203][  T233]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.650337][  T233]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   14.650474][  T233]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.650610][  T233]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.650742][  T233]  ops_init (net/core/net_namespace.c:137)
[   14.650844][  T233]  setup_net (net/core/net_namespace.c:446)
[   14.650943][  T233]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.651075][  T233]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.651208][  T233]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.651348][  T233]  copy_net_ns (net/core/net_namespace.c:579)
[   14.651488][  T233]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.651623][  T233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.651757][  T233]  ksys_unshare (kernel/fork.c:3243)
[   14.651890][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.652022][  T233]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.652153][  T233]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.652287][  T233]  ? __ia32_sys_open (fs/open.c:1374)
[   14.652434][  T233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.652565][  T233]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.652697][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.652828][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.652959][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.653091][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.653254][  T233] RIP: 0033:0x7f8f4b9a1bcb
[   14.653495][  T233] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.654058][  T233] RSP: 002b:00007ffd00eeef68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.654258][  T233] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f4b9a1bcb
[   14.654463][  T233] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.654750][  T233] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.654945][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd00ef1190
[   14.655141][  T233] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00ef1886
| [   14.659536][  T233] ------------[ cut here ]------------
| [   14.659672][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/233
| [   14.659982][  T233] Modules linked in:
| [   14.660354][  T233] Tainted: [W]=WARN
[   14.660460][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.660711][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.660880][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.661445][  T233] RSP: 0018:ffa0000000a67a78 EFLAGS: 00010286
[   14.661611][  T233] RAX: 00000000ffffffa6 RBX: ff11000013247380 RCX: 1ff400000014cf15
[   14.661892][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001324743c
[   14.662086][  T233] RBP: ff110000084b9000 R08: 1fe2200002648e89 R09: ff1100000a3dae80
[   14.662282][  T233] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.662575][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000084b9000
[   14.662770][  T233] FS:  00007f8f4b6df840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   14.663085][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.663253][  T233] CR2: 00007f8f4b8e6430 CR3: 0000000009aaf004 CR4: 0000000000771ef0
[   14.663462][  T233] PKRU: 55555554
[   14.663560][  T233] Call Trace:
[   14.663744][  T233]  <TASK>
[   14.663811][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.663941][  T233]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.664072][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.664173][  T233]  register_netdevice (net/core/dev.c:11488)
[   14.664403][  T233]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.664566][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.664699][  T233]  register_netdev (net/core/dev.c:11552)
[   14.664830][  T233]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.665051][  T233]  ops_init (net/core/net_namespace.c:137)
[   14.665151][  T233]  setup_net (net/core/net_namespace.c:446)
[   14.665252][  T233]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.665387][  T233]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.665608][  T233]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.665740][  T233]  copy_net_ns (net/core/net_namespace.c:579)
[   14.665873][  T233]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.666007][  T233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.666223][  T233]  ksys_unshare (kernel/fork.c:3243)
[   14.666361][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.666497][  T233]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.666628][  T233]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.666848][  T233]  ? __ia32_sys_open (fs/open.c:1374)
[   14.666982][  T233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.667112][  T233]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.667244][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.667471][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.667603][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.667735][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.667896][  T233] RIP: 0033:0x7f8f4b9a1bcb
[   14.668122][  T233] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.668689][  T233] RSP: 002b:00007ffd00eeef68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.668887][  T233] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f4b9a1bcb
[   14.669080][  T233] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.669366][  T233] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.669564][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd00ef1190
[   14.669756][  T233] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00ef1886
| [   14.674205][  T233] ------------[ cut here ]------------
| [   14.674351][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/233
| [   14.674668][  T233] Modules linked in:
| [   14.675032][  T233] Tainted: [W]=WARN
[   14.675131][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.675297][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.675476][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.676032][  T233] RSP: 0018:ffa0000000a67a68 EFLAGS: 00010286
[   14.676198][  T233] RAX: 00000000ffffffa6 RBX: ff11000013246ac0 RCX: 1ff400000014cf13
[   14.676489][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013246b7c
[   14.676684][  T233] RBP: ff11000008cf1000 R08: 1fe2200002648d71 R09: ff1100000a3dae80
[   14.676878][  T233] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.677164][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008cf1000
[   14.677363][  T233] FS:  00007f8f4b6df840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   14.677681][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.677846][  T233] CR2: 00007f8f4b8e6430 CR3: 0000000009aaf004 CR4: 0000000000771ef0
[   14.678043][  T233] PKRU: 55555554
[   14.678143][  T233] Call Trace:
[   14.678331][  T233]  <TASK>
[   14.678404][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.678535][  T233]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.678666][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.678768][  T233]  register_netdevice (net/core/dev.c:11488)
[   14.678987][  T233]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.679153][  T233]  register_netdev (net/core/dev.c:11552)
[   14.679284][  T233]  sit_init_net (net/ipv6/sit.c:1860)
[   14.679427][  T233]  ops_init (net/core/net_namespace.c:137)
[   14.679613][  T233]  setup_net (net/core/net_namespace.c:446)
[   14.679712][  T233]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.679841][  T233]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.679971][  T233]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.680190][  T233]  copy_net_ns (net/core/net_namespace.c:579)
[   14.680328][  T233]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.680642][  T233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.680772][  T233]  ksys_unshare (kernel/fork.c:3243)
[   14.681158][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.681290][  T233]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.681429][  T233]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.681561][  T233]  ? __ia32_sys_open (fs/open.c:1374)
[   14.681780][  T233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.681910][  T233]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.682040][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.682171][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.682301][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.682442][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.682604][  T233] RIP: 0033:0x7f8f4b9a1bcb
[   14.682740][  T233] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.683205][  T233] RSP: 002b:00007ffd00eeef68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.683410][  T233] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f4b9a1bcb
[   14.683604][  T233] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.683801][  T233] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.683997][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd00ef1190
[   14.684192][  T233] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00ef1886
| [   14.688620][  T233] ------------[ cut here ]------------
| [   14.688758][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/233
| [   14.689070][  T233] Modules linked in:
| [   14.689447][  T233] Tainted: [W]=WARN
[   14.689547][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.689711][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.689882][  T233] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.690456][  T233] RSP: 0018:ffa0000000a67a78 EFLAGS: 00010286
[   14.690709][  T233] RAX: 00000000ffffffa6 RBX: ff1100000f1ab000 RCX: 1ff400000014cf15
[   14.690904][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1ab0bc
[   14.691100][  T233] RBP: ff11000008169000 R08: 1fe2200001e35619 R09: ff1100000a3dae80
[   14.691393][  T233] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   14.691597][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008169000
[   14.691797][  T233] FS:  00007f8f4b6df840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   14.692114][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.692282][  T233] CR2: 00007f8f4b8e6430 CR3: 0000000009aaf004 CR4: 0000000000771ef0
[   14.692490][  T233] PKRU: 55555554
[   14.692590][  T233] Call Trace:
[   14.692689][  T233]  <TASK>
[   14.692757][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.692887][  T233]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.693106][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.693206][  T233]  register_netdevice (net/core/dev.c:11488)
[   14.693343][  T233]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.693513][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.693733][  T233]  register_netdev (net/core/dev.c:11552)
[   14.693863][  T233]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   14.693996][  T233]  ops_init (net/core/net_namespace.c:137)
[   14.694097][  T233]  setup_net (net/core/net_namespace.c:446)
[   14.694197][  T233]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.694427][  T233]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.694557][  T233]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.694690][  T233]  copy_net_ns (net/core/net_namespace.c:579)
[   14.694822][  T233]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.695041][  T233]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.695173][  T233]  ksys_unshare (kernel/fork.c:3243)
[   14.695304][  T233]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.695530][  T233]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.695662][  T233]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.695794][  T233]  ? __ia32_sys_open (fs/open.c:1374)
[   14.695929][  T233]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.696061][  T233]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.696278][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.696420][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.696550][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.696684][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.696932][  T233] RIP: 0033:0x7f8f4b9a1bcb
[   14.697068][  T233] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.697636][  T233] RSP: 002b:00007ffd00eeef68 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.697834][  T233] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8f4b9a1bcb
[   14.698115][  T233] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.698310][  T233] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.698517][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd00ef1190
[   14.698803][  T233] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd00ef1886
| [   14.726762][   T12] ------------[ cut here ]------------
| [   14.726937][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.727215][   T12] Modules linked in:
| [   14.727683][   T12] Tainted: [W]=WARN
[   14.727820][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.728010][   T12] Workqueue: netns cleanup_net
[   14.728181][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.728389][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.728866][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.729062][   T12] RAX: 00000000ffffffa6 RBX: ff1100000de81000 RCX: 1ff4000000018eed
[   14.729281][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de810bc
[   14.729525][   T12] RBP: ff11000009cf4000 R08: 1fe2200001bd0219 R09: ff11000001aed1d0
[   14.729744][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.729970][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.730193][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.730464][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.730658][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.730883][   T12] PKRU: 55555554
[   14.731017][   T12] Call Trace:
[   14.731151][   T12]  <TASK>
[   14.731258][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.731479][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.731678][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.731848][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.732017][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.732186][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.732362][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.732558][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.732730][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.732894][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.733062][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.733230][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.733419][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.733590][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.733756][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.733925][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.734097][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.734262][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.734461][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.734637][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.734803][   T12]  kthread (kernel/kthread.c:436)
[   14.734939][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.735134][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.735300][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.735489][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.735682][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.735850][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.736018][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.738670][   T12] ------------[ cut here ]------------
| [   14.738838][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.739116][   T12] Modules linked in:
| [   14.739650][   T12] Tainted: [W]=WARN
[   14.739787][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.739978][   T12] Workqueue: netns cleanup_net
[   14.740149][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.740354][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.740832][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.741027][   T12] RAX: 00000000ffffffa6 RBX: ff1100000de818c0 RCX: 1ff4000000018eed
[   14.741249][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de8197c
[   14.741494][   T12] RBP: ff110000084e9000 R08: 1fe2200001bd0331 R09: ff11000001aed1d0
[   14.741714][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.741938][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.742161][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.742438][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.742630][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.742856][   T12] PKRU: 55555554
[   14.742989][   T12] Call Trace:
[   14.743126][   T12]  <TASK>
[   14.743234][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.743450][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.743644][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.743809][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.743976][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.744144][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.744310][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.744498][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.744665][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.744829][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.744996][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.745163][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.745333][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.745517][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.745681][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.745847][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.746016][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.746179][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.746354][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.746538][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.746705][   T12]  kthread (kernel/kthread.c:436)
[   14.746841][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.747033][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.747198][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.747369][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.747576][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.747772][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.747940][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.750616][   T12] ------------[ cut here ]------------
| [   14.750779][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.751058][   T12] Modules linked in:
| [   14.752000][   T12] Tainted: [W]=WARN
[   14.752183][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.752451][   T12] Workqueue: netns cleanup_net
[   14.752669][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.752918][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.753450][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.753695][   T12] RAX: 00000000ffffffa6 RBX: ff1100000de80e40 RCX: 1ff4000000018eed
[   14.753960][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de80efc
[   14.754235][   T12] RBP: ff1100000a95c000 R08: 1fe2200001bd01e1 R09: ff11000001aed1d0
[   14.754519][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.754788][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.755055][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.755357][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.755609][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.755876][   T12] PKRU: 55555554
[   14.756058][   T12] Call Trace:
[   14.756235][   T12]  <TASK>
[   14.756448][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.756696][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.756933][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.757142][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.757360][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.757579][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.757792][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.758068][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.758325][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.758602][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.758859][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.759115][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.759373][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.759642][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.759905][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.760096][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.760262][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.760446][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.760615][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.760784][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.760950][   T12]  kthread (kernel/kthread.c:436)
[   14.761086][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.761279][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.761466][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.761631][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.761825][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.761991][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.762157][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.764585][   T12] ------------[ cut here ]------------
| [   14.764744][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.765020][   T12] Modules linked in:
| [   14.765929][   T12] Tainted: [W]=WARN
[   14.766108][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.766353][   T12] Workqueue: netns cleanup_net
[   14.766584][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.766835][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.767346][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.767610][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b5be200 RCX: 1ff4000000018eed
[   14.767874][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5be2bc
[   14.768142][   T12] RBP: ff110000092d9000 R08: 1fe22000016b7c59 R09: ff11000001aed1d0
[   14.768425][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.768688][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.768955][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.769254][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.769512][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.769778][   T12] PKRU: 55555554
[   14.769954][   T12] Call Trace:
[   14.770131][   T12]  <TASK>
[   14.770282][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.770549][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.770786][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.771047][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.771305][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.771593][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.771846][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.772102][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.772366][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.772639][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.772905][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.773112][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.773272][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.773463][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.773629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.773795][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.773964][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.774132][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.774301][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.774494][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.774660][   T12]  kthread (kernel/kthread.c:436)
[   14.774796][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.774988][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.775152][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.775329][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.775534][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.775700][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.775865][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.778272][   T12] ------------[ cut here ]------------
| [   14.778462][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.778740][   T12] Modules linked in:
| [   14.779190][   T12] Tainted: [W]=WARN
[   14.779332][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.779644][   T12] Workqueue: netns cleanup_net
[   14.779861][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.780107][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.780642][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   14.780883][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b5be040 RCX: 1ff4000000018eed
[   14.781151][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5be0fc
[   14.781439][   T12] RBP: ff11000008869000 R08: 1fe22000016b7c21 R09: ff11000001aed1d0
[   14.781719][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.781986][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.782252][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.782570][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.782813][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.783083][   T12] PKRU: 55555554
[   14.783261][   T12] Call Trace:
[   14.783462][   T12]  <TASK>
[   14.783620][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.783864][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.784099][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   14.784310][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   14.784543][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.784754][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   14.784964][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.785173][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   14.785395][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.785656][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.785872][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.786087][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.786293][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.786521][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.786729][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.786940][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.787157][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.787374][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.787603][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.787821][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.788030][   T12]  kthread (kernel/kthread.c:436)
[   14.788243][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.788549][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.788819][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.789073][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.789367][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.789641][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.789901][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.792752][  T234] ------------[ cut here ]------------
| [   14.792903][  T234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/234
| [   14.793127][  T234] Modules linked in:
| [   14.793515][  T234] Tainted: [W]=WARN
[   14.793614][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.793779][  T234] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.793949][  T234] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.794426][  T234] RSP: 0018:ffa0000000a77020 EFLAGS: 00010286
[   14.794590][  T234] RAX: 00000000ffffffa6 RBX: ff1100001323cc80 RCX: 1ff400000014edca
[   14.794809][  T234] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001323cd3c
[   14.795002][  T234] RBP: ff110000090d4000 R08: 1fe22000026479a9 R09: ff1100000fad5158
[   14.795196][  T234] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   14.795401][  T234] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   14.795597][  T234] FS:  00007f486bf86840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   14.795825][  T234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.795988][  T234] CR2: 0000000008639988 CR3: 0000000004bbe004 CR4: 0000000000771ef0
[   14.796181][  T234] PKRU: 55555554
[   14.796278][  T234] Call Trace:
[   14.796380][  T234]  <TASK>
[   14.796456][  T234]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.796590][  T234]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.796689][  T234]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   14.796820][  T234]  __dev_notify_flags (net/core/dev.c:9787)
[   14.796952][  T234]  ? netif_change_name (net/core/dev.c:1495)
[   14.797082][  T234]  ? __dev_change_flags (net/core/dev.c:9752)
[   14.797213][  T234]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   14.797349][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.797485][  T234]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   14.797618][  T234]  netif_change_flags (net/core/dev.c:9820)
[   14.797749][  T234]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   14.797880][  T234]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   14.798013][  T234]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   14.798143][  T234]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   14.798307][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   14.798450][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.798580][  T234]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   14.798709][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.798840][  T234]  ? __kernel_text_address (kernel/extable.c:79)
[   14.798972][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.799105][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.799234][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.799370][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.799504][  T234]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.799632][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.799762][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.799894][  T234]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   14.800025][  T234]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   14.800156][  T234]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   14.800287][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   14.800430][  T234]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   14.800562][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   14.800696][  T234]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   14.800829][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.800958][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.801088][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.801219][  T234]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   14.801353][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.801490][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.801618][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.801746][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.801876][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.802007][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   14.802139][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   14.802269][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.802409][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.802538][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.802668][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.802797][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   14.802930][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   14.803062][  T234]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   14.803195][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   14.803334][  T234]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   14.803470][  T234]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   14.803602][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   14.803733][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   14.803865][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   14.803998][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   14.804133][  T234]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   14.804266][  T234]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   14.804410][  T234]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   14.804543][  T234]  ? copy_msghdr_from_user (net/socket.c:2635)
[   14.804674][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   14.804835][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   14.804966][  T234]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   14.805097][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   14.805231][  T234]  ___sys_sendmsg (net/socket.c:2752)
[   14.805366][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   14.805537][  T234]  ? copy_msghdr_from_user (net/socket.c:2603)
[   14.805681][  T234]  __sys_sendmsg (net/socket.c:2784)
[   14.805812][  T234]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   14.805941][  T234]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   14.806109][  T234]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   14.806243][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.806383][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.806519][  T234]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.806649][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.806778][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.806940][  T234] RIP: 0033:0x7f486c1c008e
[   14.807079][  T234] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   14.807606][  T234] RSP: 002b:00007ffeced8eba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   14.807804][  T234] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f486c1c008e
[   14.808000][  T234] RDX: 0000000000000000 RSI: 00007ffeced8ec50 RDI: 0000000000000005
[   14.808194][  T234] RBP: 00007ffeced8ebb0 R08: 0000000000000000 R09: 0000000000000000
[   14.808400][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   14.808596][  T234] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeced8f320
| [   14.818225][   T12] ------------[ cut here ]------------
| [   14.818421][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.818719][   T12] Modules linked in:
| [   14.819196][   T12] Tainted: [W]=WARN
[   14.819342][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.819560][   T12] Workqueue: netns cleanup_net
[   14.819738][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.819948][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.820460][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   14.820663][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b5be580 RCX: 1ff4000000018eaf
[   14.820895][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5be63c
[   14.821130][   T12] RBP: ff1100000a92c000 R08: 1fe22000016b7cc9 R09: ff11000001aed1d0
[   14.821409][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   14.821640][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   14.821874][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.822144][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.822353][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.822659][   T12] PKRU: 55555554
[   14.822849][   T12] Call Trace:
[   14.823038][   T12]  <TASK>
[   14.823198][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.823444][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.823636][   T12]  netif_close_many (net/core/dev.c:1804)
[   14.823862][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.824080][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.824300][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.824544][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   14.824775][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   14.825025][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   14.825275][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   14.825524][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   14.825745][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   14.825964][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.826202][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.826383][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.826572][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.826745][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.826922][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.827094][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.827266][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.827458][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.827633][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.827806][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.827974][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.828147][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.828330][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.828516][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.828691][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.828861][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.829036][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.829211][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.829390][   T12]  kthread (kernel/kthread.c:436)
[   14.829551][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.829754][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.829925][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.830098][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.830301][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.830498][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.830671][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.833272][   T12] ------------[ cut here ]------------
| [   14.833988][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   14.834344][   T12] Modules linked in:
| [   14.834920][   T12] Tainted: [W]=WARN
[   14.835054][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.835251][   T12] Workqueue: netns cleanup_net
[   14.835453][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.835659][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.836130][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   14.836336][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b5bf540 RCX: 1ff4000000018ed5
[   14.836578][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5bf5fc
[   14.836801][   T12] RBP: ff1100000a92c000 R08: 1fe22000016b7ec1 R09: ff11000001aed1d0
[   14.837025][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   14.837248][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   14.837520][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   14.837776][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.837975][   T12] CR2: 00007ff8fac3df98 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   14.838202][   T12] PKRU: 55555554
[   14.838349][   T12] Call Trace:
[   14.838500][   T12]  <TASK>
[   14.838610][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   14.838812][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   14.839012][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.839182][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   14.839362][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   14.839543][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   14.839715][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   14.839888][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   14.840058][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   14.840226][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.840417][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   14.840586][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   14.840753][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   14.840926][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   14.841125][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   14.841296][   T12]  process_one_work (kernel/workqueue.c:3314)
[   14.841491][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   14.841660][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   14.841864][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   14.842039][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   14.842212][   T12]  kthread (kernel/kthread.c:436)
[   14.842360][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   14.842568][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.842739][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   14.842908][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   14.843105][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   14.843276][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   14.843475][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   14.935502][  T241] ------------[ cut here ]------------
| [   14.935658][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/241
| [   14.935889][  T241] Modules linked in:
| [   14.936261][  T241] Tainted: [W]=WARN
[   14.936366][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.936538][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.936710][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.937184][  T241] RSP: 0018:ffa0000000a97a80 EFLAGS: 00010286
[   14.937356][  T241] RAX: 00000000ffffffa6 RBX: ff1100000b9a9000 RCX: 1ff4000000152f16
[   14.937559][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9a90bc
[   14.937754][  T241] RBP: ff1100000f87c000 R08: 1fe2200001735219 R09: ff1100000f8a5180
[   14.937950][  T241] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.938147][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f87c000
[   14.938350][  T241] FS:  00007f7aa44a4840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   14.938587][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.938761][  T241] CR2: 00007f7aa46b0690 CR3: 0000000004eac005 CR4: 0000000000771ef0
[   14.938959][  T241] PKRU: 55555554
[   14.939058][  T241] Call Trace:
[   14.939160][  T241]  <TASK>
[   14.939228][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.939368][  T241]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.939505][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.939607][  T241]  register_netdevice (net/core/dev.c:11488)
[   14.939742][  T241]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.939905][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.940039][  T241]  register_netdev (net/core/dev.c:11552)
[   14.940171][  T241]  loopback_net_init (drivers/net/loopback.c:218)
[   14.940303][  T241]  ops_init (net/core/net_namespace.c:137)
[   14.940414][  T241]  setup_net (net/core/net_namespace.c:446)
[   14.940516][  T241]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.940646][  T241]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.940778][  T241]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.940911][  T241]  copy_net_ns (net/core/net_namespace.c:579)
[   14.941044][  T241]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.941178][  T241]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.941309][  T241]  ksys_unshare (kernel/fork.c:3243)
[   14.941455][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.941589][  T241]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.941723][  T241]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.941857][  T241]  ? __ia32_sys_open (fs/open.c:1374)
[   14.941991][  T241]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.942122][  T241]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.942253][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.942391][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.942531][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.942664][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.942828][  T241] RIP: 0033:0x7f7aa4766bcb
[   14.942969][  T241] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.943511][  T241] RSP: 002b:00007fff5f157bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.943712][  T241] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7aa4766bcb
[   14.943911][  T241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.944108][  T241] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.944306][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5f159e20
[   14.944586][  T241] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5f15a881
| [   14.949212][  T241] ------------[ cut here ]------------
| [   14.949359][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/241
| [   14.949592][  T241] Modules linked in:
| [   14.949957][  T241] Tainted: [W]=WARN
[   14.950056][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.950221][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.950405][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.950871][  T241] RSP: 0018:ffa0000000a97918 EFLAGS: 00010286
[   14.951040][  T241] RAX: 00000000ffffffa6 RBX: ff11000009761540 RCX: 1ff4000000152ee9
[   14.951236][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000097615fc
[   14.951441][  T241] RBP: ff11000007f74000 R08: 1fe22000012ec2c1 R09: ff1100000f8a5180
[   14.951639][  T241] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.951837][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007f74000
[   14.952034][  T241] FS:  00007f7aa44a4840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   14.952266][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.952439][  T241] CR2: 00007f7aa46b0690 CR3: 0000000004eac005 CR4: 0000000000771ef0
[   14.952636][  T241] PKRU: 55555554
[   14.952736][  T241] Call Trace:
[   14.952836][  T241]  <TASK>
[   14.952903][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.953034][  T241]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.953167][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.953267][  T241]  register_netdevice (net/core/dev.c:11488)
[   14.953410][  T241]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.953574][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.953709][  T241]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.953843][  T241]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.953973][  T241]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.954109][  T241]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.954242][  T241]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.954380][  T241]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   14.954519][  T241]  ops_init (net/core/net_namespace.c:137)
[   14.954619][  T241]  setup_net (net/core/net_namespace.c:446)
[   14.954720][  T241]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.954850][  T241]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.954981][  T241]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.955115][  T241]  copy_net_ns (net/core/net_namespace.c:579)
[   14.955249][  T241]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.955388][  T241]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.955528][  T241]  ksys_unshare (kernel/fork.c:3243)
[   14.955662][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.955793][  T241]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.955923][  T241]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.956056][  T241]  ? __ia32_sys_open (fs/open.c:1374)
[   14.956190][  T241]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.956326][  T241]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.956462][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.956595][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.956727][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.956858][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.957021][  T241] RIP: 0033:0x7f7aa4766bcb
[   14.957157][  T241] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.957636][  T241] RSP: 002b:00007fff5f157bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.957835][  T241] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7aa4766bcb
[   14.958029][  T241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.958223][  T241] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.958431][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5f159e20
[   14.958628][  T241] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5f15a881
| [   14.971956][  T241] ------------[ cut here ]------------
| [   14.972107][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/241
| [   14.972345][  T241] Modules linked in:
| [   14.972725][  T241] Tainted: [W]=WARN
[   14.972826][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.972996][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.973171][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.973656][  T241] RSP: 0018:ffa0000000a978f8 EFLAGS: 00010286
[   14.973825][  T241] RAX: 00000000ffffffa6 RBX: ff110000130111c0 RCX: 1ff4000000152ee5
[   14.974023][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001301127c
[   14.974220][  T241] RBP: ff11000007d11000 R08: 1fe2200002602251 R09: ff1100000f8a5180
[   14.974430][  T241] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.974629][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007d11000
[   14.974830][  T241] FS:  00007f7aa44a4840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   14.975063][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.975231][  T241] CR2: 00007f7aa46b0690 CR3: 0000000004eac005 CR4: 0000000000771ef0
[   14.975443][  T241] PKRU: 55555554
[   14.975544][  T241] Call Trace:
[   14.975643][  T241]  <TASK>
[   14.975711][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.975843][  T241]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.975979][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.976082][  T241]  register_netdevice (net/core/dev.c:11488)
[   14.976219][  T241]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.976399][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   14.976538][  T241]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   14.976672][  T241]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   14.976806][  T241]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   14.976944][  T241]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   14.977079][  T241]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   14.977214][  T241]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   14.977354][  T241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   14.977502][  T241]  vti_init_net (net/ipv4/ip_vti.c:517)
[   14.977637][  T241]  ops_init (net/core/net_namespace.c:137)
[   14.977740][  T241]  setup_net (net/core/net_namespace.c:446)
[   14.977842][  T241]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.977976][  T241]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.978112][  T241]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.978248][  T241]  copy_net_ns (net/core/net_namespace.c:579)
[   14.978390][  T241]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.978534][  T241]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.978670][  T241]  ksys_unshare (kernel/fork.c:3243)
[   14.978804][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.978938][  T241]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.979072][  T241]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.979207][  T241]  ? __ia32_sys_open (fs/open.c:1374)
[   14.979347][  T241]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.979487][  T241]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.979621][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.979753][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.979886][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.980018][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.980184][  T241] RIP: 0033:0x7f7aa4766bcb
[   14.980331][  T241] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.980814][  T241] RSP: 002b:00007fff5f157bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.981015][  T241] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7aa4766bcb
[   14.981214][  T241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.981425][  T241] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.981621][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5f159e20
[   14.981819][  T241] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5f15a881
| [   14.986028][  T241] ------------[ cut here ]------------
| [   14.986166][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/241
| [   14.986409][  T241] Modules linked in:
| [   14.986779][  T241] Tainted: [W]=WARN
[   14.986879][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   14.987043][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   14.987214][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   14.987692][  T241] RSP: 0018:ffa0000000a97a78 EFLAGS: 00010286
[   14.987858][  T241] RAX: 00000000ffffffa6 RBX: ff110000130091c0 RCX: 1ff4000000152f15
[   14.988054][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001300927c
[   14.988251][  T241] RBP: ff1100000f9e4000 R08: 1fe2200002601251 R09: ff1100000f8a5180
[   14.988458][  T241] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   14.988653][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f9e4000
[   14.988849][  T241] FS:  00007f7aa44a4840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   14.989080][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   14.989246][  T241] CR2: 00007f7aa46b0690 CR3: 0000000004eac005 CR4: 0000000000771ef0
[   14.989453][  T241] PKRU: 55555554
[   14.989553][  T241] Call Trace:
[   14.989651][  T241]  <TASK>
[   14.989719][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   14.989850][  T241]  ? notifier_call_chain (kernel/notifier.c:85)
[   14.989980][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   14.990083][  T241]  register_netdevice (net/core/dev.c:11488)
[   14.990216][  T241]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   14.990384][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   14.990523][  T241]  register_netdev (net/core/dev.c:11552)
[   14.990655][  T241]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   14.990787][  T241]  ops_init (net/core/net_namespace.c:137)
[   14.990888][  T241]  setup_net (net/core/net_namespace.c:446)
[   14.990989][  T241]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   14.991120][  T241]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   14.991250][  T241]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   14.991388][  T241]  copy_net_ns (net/core/net_namespace.c:579)
[   14.991525][  T241]  create_new_namespaces (kernel/nsproxy.c:132)
[   14.991658][  T241]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   14.991789][  T241]  ksys_unshare (kernel/fork.c:3243)
[   14.991921][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   14.992052][  T241]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   14.992182][  T241]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   14.992314][  T241]  ? __ia32_sys_open (fs/open.c:1374)
[   14.992455][  T241]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   14.992584][  T241]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   14.992713][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   14.992843][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   14.992976][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   14.993109][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   14.993270][  T241] RIP: 0033:0x7f7aa4766bcb
[   14.993414][  T241] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   14.993881][  T241] RSP: 002b:00007fff5f157bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   14.994078][  T241] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7aa4766bcb
[   14.994275][  T241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   14.994477][  T241] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   14.994671][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5f159e20
[   14.994866][  T241] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5f15a881
| [   14.999645][  T241] ------------[ cut here ]------------
| [   14.999786][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/241
| [   15.000012][  T241] Modules linked in:
| [   15.000387][  T241] Tainted: [W]=WARN
[   15.000490][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.000655][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.000826][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.001289][  T241] RSP: 0018:ffa0000000a97a68 EFLAGS: 00010286
[   15.001465][  T241] RAX: 00000000ffffffa6 RBX: ff11000009769c40 RCX: 1ff4000000152f13
[   15.001663][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009769cfc
[   15.001858][  T241] RBP: ff1100000f2bc000 R08: 1fe22000012ed3a1 R09: ff1100000f8a5180
[   15.002052][  T241] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.002248][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2bc000
[   15.002456][  T241] FS:  00007f7aa44a4840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   15.002685][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.002848][  T241] CR2: 00007f7aa46b0690 CR3: 0000000004eac005 CR4: 0000000000771ef0
[   15.003044][  T241] PKRU: 55555554
[   15.003141][  T241] Call Trace:
[   15.003240][  T241]  <TASK>
[   15.003308][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.003449][  T241]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.003580][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.003679][  T241]  register_netdevice (net/core/dev.c:11488)
[   15.003811][  T241]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.003977][  T241]  register_netdev (net/core/dev.c:11552)
[   15.004109][  T241]  sit_init_net (net/ipv6/sit.c:1860)
[   15.004245][  T241]  ops_init (net/core/net_namespace.c:137)
[   15.004351][  T241]  setup_net (net/core/net_namespace.c:446)
[   15.004456][  T241]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.004588][  T241]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.004720][  T241]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.004852][  T241]  copy_net_ns (net/core/net_namespace.c:579)
[   15.004986][  T241]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.005122][  T241]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.005255][  T241]  ksys_unshare (kernel/fork.c:3243)
[   15.005391][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.005529][  T241]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.005661][  T241]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.005795][  T241]  ? __ia32_sys_open (fs/open.c:1374)
[   15.005927][  T241]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.006061][  T241]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.006192][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.006329][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.006525][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.006656][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.006820][  T241] RIP: 0033:0x7f7aa4766bcb
[   15.006957][  T241] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.007494][  T241] RSP: 002b:00007fff5f157bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.007692][  T241] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7aa4766bcb
[   15.007887][  T241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.008085][  T241] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.008283][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5f159e20
[   15.008544][  T241] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5f15a881
| [   15.013935][  T241] ------------[ cut here ]------------
| [   15.014124][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/241
| [   15.014423][  T241] Modules linked in:
| [   15.014891][  T241] Tainted: [W]=WARN
[   15.015037][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.015246][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.015482][  T241] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.015996][  T241] RSP: 0018:ffa0000000a97a78 EFLAGS: 00010286
[   15.016211][  T241] RAX: 00000000ffffffa6 RBX: ff1100000f8e1e00 RCX: 1ff4000000152f15
[   15.016480][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8e1ebc
[   15.016724][  T241] RBP: ff1100000962c000 R08: 1fe2200001f1c3d9 R09: ff1100000f8a5180
[   15.016970][  T241] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   15.017212][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000962c000
[   15.017477][  T241] FS:  00007f7aa44a4840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   15.017754][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.017969][  T241] CR2: 00007f378584e2a0 CR3: 0000000004eac002 CR4: 0000000000771ef0
[   15.018214][  T241] PKRU: 55555554
[   15.018368][  T241] Call Trace:
[   15.018526][  T241]  <TASK>
[   15.018641][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.018820][  T241]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.018998][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.019146][  T241]  register_netdevice (net/core/dev.c:11488)
[   15.019336][  T241]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   15.019557][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.019737][  T241]  register_netdev (net/core/dev.c:11552)
[   15.019915][  T241]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   15.020094][  T241]  ops_init (net/core/net_namespace.c:137)
[   15.020242][  T241]  setup_net (net/core/net_namespace.c:446)
[   15.020409][  T241]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   15.020591][  T241]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   15.020772][  T241]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   15.020952][  T241]  copy_net_ns (net/core/net_namespace.c:579)
[   15.021131][  T241]  create_new_namespaces (kernel/nsproxy.c:132)
[   15.021312][  T241]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   15.021512][  T241]  ksys_unshare (kernel/fork.c:3243)
[   15.021691][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.021871][  T241]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   15.022049][  T241]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   15.022228][  T241]  ? __ia32_sys_open (fs/open.c:1374)
[   15.022429][  T241]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   15.022611][  T241]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   15.022791][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.022969][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.023147][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.023335][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.023559][  T241] RIP: 0033:0x7f7aa4766bcb
[   15.023743][  T241] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   15.024251][  T241] RSP: 002b:00007fff5f157bf8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   15.024520][  T241] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f7aa4766bcb
[   15.024762][  T241] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   15.025003][  T241] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   15.025242][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff5f159e20
[   15.025509][  T241] R13: 0000000000000001 R14: 0000000000000003 R15: 00007fff5f15a881
| [   15.052530][  T242] ------------[ cut here ]------------
| [   15.052714][  T242] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/242
| [   15.052991][  T242] Modules linked in:
| [   15.054027][  T242] Tainted: [W]=WARN
[   15.054170][  T242] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.054387][  T242] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.054617][  T242] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.055127][  T242] RSP: 0018:ffa0000000aa7020 EFLAGS: 00010286
[   15.055343][  T242] RAX: 00000000ffffffa6 RBX: ff1100000f8e31c0 RCX: 1ff4000000154dca
[   15.055598][  T242] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8e327c
[   15.055841][  T242] RBP: ff1100000f87c000 R08: 1fe2200001f1c651 R09: ff1100000f8a2e58
[   15.056080][  T242] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.056328][  T242] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.056585][  T242] FS:  00007ff096581840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   15.056861][  T242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.057070][  T242] CR2: 00007ff0968511a0 CR3: 000000000f0c7004 CR4: 0000000000771ef0
[   15.057313][  T242] PKRU: 55555554
[   15.057477][  T242] Call Trace:
[   15.057621][  T242]  <TASK>
[   15.057734][  T242]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.057914][  T242]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.058064][  T242]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.058241][  T242]  __dev_notify_flags (net/core/dev.c:9787)
[   15.058442][  T242]  ? netif_change_name (net/core/dev.c:1495)
[   15.058618][  T242]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.058795][  T242]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.058973][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.059152][  T242]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.059342][  T242]  netif_change_flags (net/core/dev.c:9820)
[   15.059536][  T242]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.059716][  T242]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.059896][  T242]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.060076][  T242]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.060287][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.060484][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.060662][  T242]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.060839][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.061019][  T242]  ? __kernel_text_address (kernel/extable.c:79)
[   15.061197][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.061388][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.061579][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.061761][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.061939][  T242]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.062114][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.062291][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.062489][  T242]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.062667][  T242]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.062843][  T242]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.063023][  T242]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.063206][  T242]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.063409][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.063589][  T242]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.063768][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.063944][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.064123][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.064299][  T242]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.064497][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.064681][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.064858][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.065036][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.065215][  T242]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.065414][  T242]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.065592][  T242]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.065771][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.065950][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.066132][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.066311][  T242]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.066509][  T242]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.066689][  T242]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.066868][  T242]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.067049][  T242]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.067230][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.067431][  T242]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.067617][  T242]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.067799][  T242]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.067979][  T242]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.068160][  T242]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.068352][  T242]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.068546][  T242]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.068728][  T242]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.068913][  T242]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.069092][  T242]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.069301][  T242]  ? move_addr_to_kernel (net/socket.c:258)
[   15.069503][  T242]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.069681][  T242]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.069860][  T242]  ___sys_sendmsg (net/socket.c:2752)
[   15.070036][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.070249][  T242]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.070458][  T242]  __sys_sendmsg (net/socket.c:2784)
[   15.070638][  T242]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.070815][  T242]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.071030][  T242]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.071210][  T242]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.071411][  T242]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.071591][  T242]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.071770][  T242]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.071949][  T242]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.072159][  T242] RIP: 0033:0x7ff0967bb08e
[   15.072349][  T242] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.072875][  T242] RSP: 002b:00007ffd6fe5e0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.073125][  T242] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff0967bb08e
[   15.073376][  T242] RDX: 0000000000000000 RSI: 00007ffd6fe5e170 RDI: 0000000000000005
[   15.073631][  T242] RBP: 00007ffd6fe5e0d0 R08: 0000000000000000 R09: 0000000000000000
[   15.073874][  T242] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.074114][  T242] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd6fe5e840
| [   15.113155][  T243] ------------[ cut here ]------------
| [   15.113308][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   15.113565][  T243] Modules linked in:
| [   15.113945][  T243] Tainted: [W]=WARN
[   15.114048][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.114216][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.114401][  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
[   15.114878][  T243] RSP: 0018:ffa0000000ab6e30 EFLAGS: 00010286
[   15.115049][  T243] RAX: 00000000ffffffa6 RBX: ff1100000e4c58c0 RCX: 1ff4000000156d8c
[   15.115250][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4c597c
[   15.115462][  T243] RBP: ff11000010341000 R08: 1fe2200001c98b31 R09: ff11000008d10b80
[   15.115662][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.115863][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa46800
[   15.116066][  T243] FS:  00007f54660cb840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   15.116302][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.116481][  T243] CR2: 00000000004a77b8 CR3: 0000000004eac001 CR4: 0000000000771ef0
[   15.116683][  T243] PKRU: 55555554
[   15.116784][  T243] Call Trace:
[   15.116885][  T243]  <TASK>
[   15.116954][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.117092][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.117195][  T243]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   15.117366][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   15.117506][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   15.117640][  T243]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.117774][  T243]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.117908][  T243]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.118042][  T243]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   15.118177][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.118313][  T243]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.118460][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.118594][  T243]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   15.118729][  T243]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   15.118866][  T243]  veth_newlink (drivers/net/veth.c:1871)
[   15.119001][  T243]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   15.119134][  T243]  ? kasan_save_stack (mm/kasan/common.c:57)
[   15.119269][  T243]  ? kasan_save_track (mm/kasan/common.c:78)
[   15.119412][  T243]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   15.119562][  T243]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   15.119760][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   15.119895][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.120028][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.120165][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   15.120303][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   15.120448][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.120583][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.120718][  T243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.120856][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.120991][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.121130][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.121266][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.121409][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.121544][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.121679][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.121813][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.121951][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.122087][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.122222][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.122363][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.122501][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.122633][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.122768][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.122901][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.123036][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.123171][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.123308][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.123460][  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))
[   15.123593][  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))
[   15.123729][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.123864][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.123999][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.124134][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.124269][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.124414][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.124551][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.124686][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.124821][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.124988][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   15.125123][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.125257][  T243]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.125402][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   15.125536][  T243]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.125671][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.125809][  T243]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.125947][  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))
[   15.126083][  T243]  __sys_sendmsg (net/socket.c:2784)
[   15.126220][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.126363][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.126503][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.126637][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.126770][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.126903][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.127038][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.127207][  T243] RIP: 0033:0x7f546630508e
[   15.127351][  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
[   15.127837][  T243] RSP: 002b:00007ffc421c90e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.128040][  T243] RAX: ffffffffffffffda RBX: 00007ffc421c9870 RCX: 00007f546630508e
[   15.128242][  T243] RDX: 0000000000000000 RSI: 00007ffc421c9190 RDI: 0000000000000005
[   15.128455][  T243] RBP: 00007ffc421c90f0 R08: 0000000000000000 R09: 0000000000000000
[   15.128656][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.128856][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc421c9850
| [   15.137810][  T243] ------------[ cut here ]------------
| [   15.137949][  T243] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/243
| [   15.138178][  T243] Modules linked in:
| [   15.138565][  T243] Tainted: [W]=WARN
[   15.138665][  T243] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.138832][  T243] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.139006][  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
[   15.139491][  T243] RSP: 0018:ffa0000000ab71b0 EFLAGS: 00010286
[   15.139659][  T243] RAX: 00000000ffffffa6 RBX: ff110000132aa740 RCX: 1ff4000000156dfc
[   15.139857][  T243] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132aa7fc
[   15.140058][  T243] RBP: ff11000008d0c000 R08: 1fe2200002655501 R09: ff11000008d10b80
[   15.140259][  T243] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.140467][  T243] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff99403b20
[   15.140668][  T243] FS:  00007f54660cb840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   15.140901][  T243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.141068][  T243] CR2: 00000000004a77b8 CR3: 0000000004eac001 CR4: 0000000000771ef0
[   15.141270][  T243] PKRU: 55555554
[   15.141374][  T243] Call Trace:
[   15.141476][  T243]  <TASK>
[   15.141545][  T243]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.141680][  T243]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.141783][  T243]  __dev_notify_flags (net/core/dev.c:9787)
[   15.141918][  T243]  ? netif_change_name (net/core/dev.c:1495)
[   15.142053][  T243]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.142185][  T243]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   15.142324][  T243]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   15.142466][  T243]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   15.142602][  T243]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   15.142736][  T243]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.142870][  T243]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.143009][  T243]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.143146][  T243]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   15.143286][  T243]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.143432][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.143566][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.143700][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.143834][  T243]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.143966][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.144107][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.144241][  T243]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.144377][  T243]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.144516][  T243]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.144649][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.144783][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.144920][  T243]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.145053][  T243]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.145189][  T243]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.145325][  T243]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.145523][  T243]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.145661][  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))
[   15.145794][  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))
[   15.145930][  T243]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.146065][  T243]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.146203][  T243]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.146344][  T243]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.146537][  T243]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.146672][  T243]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.146807][  T243]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.146941][  T243]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.147075][  T243]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.147239][  T243]  ? move_addr_to_kernel (net/socket.c:258)
[   15.147381][  T243]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.147573][  T243]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   15.147707][  T243]  ___sys_sendmsg (net/socket.c:2752)
[   15.147840][  T243]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   15.147973][  T243]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.148111][  T243]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   15.148250][  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))
[   15.148393][  T243]  __sys_sendmsg (net/socket.c:2784)
[   15.148583][  T243]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.148718][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.148851][  T243]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.148985][  T243]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.149118][  T243]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.149250][  T243]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.149387][  T243]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.149638][  T243] RIP: 0033:0x7f546630508e
[   15.149779][  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
[   15.150253][  T243] RSP: 002b:00007ffc421c90e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.150557][  T243] RAX: ffffffffffffffda RBX: 00007ffc421c9870 RCX: 00007f546630508e
[   15.150756][  T243] RDX: 0000000000000000 RSI: 00007ffc421c9190 RDI: 0000000000000005
[   15.150956][  T243] RBP: 00007ffc421c90f0 R08: 0000000000000000 R09: 0000000000000000
[   15.151155][  T243] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.151358][  T243] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc421c9850
| [   15.180371][  T244] ------------[ cut here ]------------
| [   15.180770][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/244
| [   15.181043][  T244] Modules linked in:
| [   15.181541][  T244] Tainted: [W]=WARN
[   15.181688][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.181899][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.182119][  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
[   15.182651][  T244] RSP: 0018:ffa0000000ac7020 EFLAGS: 00010286
[   15.182864][  T244] RAX: 00000000ffffffa6 RBX: ff110000097698c0 RCX: 1ff4000000158dca
[   15.183105][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000976997c
[   15.183349][  T244] RBP: ff11000010341000 R08: 1fe22000012ed331 R09: ff11000008d12e58
[   15.183614][  T244] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.183859][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.184102][  T244] FS:  00007f73eb663840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   15.184385][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.184608][  T244] CR2: 000000001a6fe988 CR3: 000000000f0c7001 CR4: 0000000000771ef0
[   15.184854][  T244] PKRU: 55555554
[   15.184998][  T244] Call Trace:
[   15.185143][  T244]  <TASK>
[   15.185257][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.185462][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.185612][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.185791][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   15.185973][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   15.186155][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.186341][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.186532][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.186710][  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))
[   15.186892][  T244]  netif_change_flags (net/core/dev.c:9820)
[   15.187072][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.187252][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.187463][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.187647][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.187863][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.188042][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.188221][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.188421][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.188607][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   15.188789][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.188970][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.189149][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.189334][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.189527][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.189706][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.189883][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.190064][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.190243][  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)
[   15.190442][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.190622][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.190802][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.190981][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.191165][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.191352][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.191545][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.191723][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.191900][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.192079][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.192262][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.192462][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.192641][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.192823][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.193003][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.193183][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.193370][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.193560][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.193740][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.193919][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.194097][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.194280][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.194478][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.194658][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.194841][  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))
[   15.195020][  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))
[   15.195200][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.195390][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.195586][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.195765][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.195945][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.196123][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.196304][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.196505][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.196684][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.196890][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   15.197072][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.197250][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.197448][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   15.197628][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.197837][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.198027][  T244]  __sys_sendmsg (net/socket.c:2784)
[   15.198208][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.198408][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.198619][  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)
[   15.198796][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.198974][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.199151][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.199336][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.199535][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.199748][  T244] RIP: 0033:0x7f73eb89d08e
[   15.199931][  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
[   15.200460][  T244] RSP: 002b:00007ffe36e5fc50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.200703][  T244] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f73eb89d08e
[   15.200947][  T244] RDX: 0000000000000000 RSI: 00007ffe36e5fd00 RDI: 0000000000000005
[   15.201188][  T244] RBP: 00007ffe36e5fc60 R08: 0000000000000000 R09: 0000000000000000
[   15.201443][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.201684][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe36e603c0
| [   15.319620][  T247] ------------[ cut here ]------------
| [   15.319777][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/247
| [   15.320004][  T247] Modules linked in:
| [   15.320465][  T247] Tainted: [W]=WARN
[   15.320565][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.320725][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.320893][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.321350][  T247] RSP: 0018:ffa0000000ae6ff8 EFLAGS: 00010286
[   15.321519][  T247] RAX: 00000000ffffffa6 RBX: ff1100000caf4200 RCX: 1ff400000015cdc5
[   15.321708][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000caf42bc
[   15.321896][  T247] RBP: ff11000008d0c000 R08: 1fe220000195e859 R09: ff1100000907d158
[   15.322095][  T247] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.322285][  T247] R13: 0000000000000000 R14: ffa0000000ae7140 R15: ff110000132e0e50
[   15.322491][  T247] FS:  00007ffb6be89840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   15.322712][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.322872][  T247] CR2: 000000001a9d1988 CR3: 0000000004eac004 CR4: 0000000000771ef0
[   15.323066][  T247] PKRU: 55555554
[   15.323161][  T247] Call Trace:
[   15.323257][  T247]  <TASK>
[   15.323328][  T247]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   15.323466][  T247]  __dev_change_net_namespace (net/core/dev.c:12635)
[   15.323627][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.323755][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.323883][  T247]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.324045][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.324173][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.324301][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.324440][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.324570][  T247]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.324696][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   15.324824][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.324957][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.325087][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.325247][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.325379][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.325510][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.325636][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.325764][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   15.325895][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.326024][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.326151][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.326278][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.326413][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.326540][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.326666][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.326792][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.326923][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.327051][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.327179][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.327308][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.327443][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.327573][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.327702][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.327838][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.327964][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.328091][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.328219][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.328350][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.328487][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.328613][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.328739][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.328869][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.328997][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.329124][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.329252][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.329386][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.329585][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.329714][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.329842][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.329972][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.330100][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.330227][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.330363][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.330496][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.330630][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.330759][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.330888][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.331015][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.331144][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.331271][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.331410][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.331538][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.331665][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.331827][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   15.331956][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.332088][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.332216][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   15.332349][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.332512][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.332653][  T247]  __sys_sendmsg (net/socket.c:2784)
[   15.332785][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.332911][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.333072][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.333201][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.333333][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.333466][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.333594][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.333720][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.333881][  T247] RIP: 0033:0x7ffb6c0c308e
[   15.334016][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.334483][  T247] RSP: 002b:00007fff17b7cbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.334679][  T247] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ffb6c0c308e
[   15.334872][  T247] RDX: 0000000000000000 RSI: 00007fff17b7cca0 RDI: 0000000000000005
[   15.335062][  T247] RBP: 00007fff17b7cc00 R08: 0000000000000000 R09: 0000000000000000
[   15.335254][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.335456][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff17b7d360
| [   15.337994][  T247] ------------[ cut here ]------------
| [   15.338124][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/247
| [   15.338352][  T247] Modules linked in:
| [   15.338721][  T247] Tainted: [W]=WARN
[   15.338820][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.338987][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.339161][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.339637][  T247] RSP: 0018:ffa0000000ae6fc0 EFLAGS: 00010286
[   15.339801][  T247] RAX: 00000000ffffffa6 RBX: ff110000132bdc40 RCX: 1ff400000015cdbe
[   15.339996][  T247] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132bdcfc
[   15.340187][  T247] RBP: ff11000008d0c000 R08: 1fe2200002657ba1 R09: ff1100000907d158
[   15.340385][  T247] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   15.340585][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000132e0e50
[   15.340779][  T247] FS:  00007ffb6be89840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   15.341012][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.341175][  T247] CR2: 000000001a9d1988 CR3: 0000000004eac004 CR4: 0000000000771ef0
[   15.341370][  T247] PKRU: 55555554
[   15.341470][  T247] Call Trace:
[   15.341566][  T247]  <TASK>
[   15.341632][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.341765][  T247]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.341896][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.341995][  T247]  __dev_change_net_namespace (net/core/dev.c:12695)
[   15.342158][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.342288][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.342428][  T247]  ? default_device_exit_batch (net/core/dev.c:13091)
[   15.342589][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.342719][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.342849][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.342979][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   15.343110][  T247]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   15.343239][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   15.343381][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   15.343517][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.343650][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.343811][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.343941][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.344072][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.344202][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.344336][  T247]  ? __kernel_text_address (kernel/extable.c:79)
[   15.344475][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.344606][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.344735][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.344865][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.344995][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.345123][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.345253][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.345386][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.345523][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.345652][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.345782][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.345914][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.346043][  T247]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.346176][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.346309][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.346451][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.346582][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.346712][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.346842][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.346971][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.347102][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.347230][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.347364][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.347503][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.347635][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.347768][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.347898][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.348028][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.348157][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.348289][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.348429][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.348564][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.348695][  T247]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.348825][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.348958][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.349088][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.349219][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.349356][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.349493][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.349623][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.349755][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.349886][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.350018][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.350147][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.350276][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.350447][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   15.350585][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.350715][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.350844][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   15.350972][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.351135][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.351283][  T247]  __sys_sendmsg (net/socket.c:2784)
[   15.351421][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.351551][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.351714][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.351846][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.351982][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.352112][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.352243][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.352378][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.352547][  T247] RIP: 0033:0x7ffb6c0c308e
[   15.352684][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.353147][  T247] RSP: 002b:00007fff17b7cbf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.353346][  T247] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007ffb6c0c308e
[   15.353546][  T247] RDX: 0000000000000000 RSI: 00007fff17b7cca0 RDI: 0000000000000005
[   15.353742][  T247] RBP: 00007fff17b7cc00 R08: 0000000000000000 R09: 0000000000000000
[   15.353937][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.354133][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff17b7d360
| [   15.431252][  T250] ------------[ cut here ]------------
| [   15.432064][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   15.432360][  T250] Modules linked in:
| [   15.432834][  T250] Tainted: [W]=WARN
[   15.432979][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.433187][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.433425][  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
[   15.433938][  T250] RSP: 0018:ffa0000000b17020 EFLAGS: 00010286
[   15.434149][  T250] RAX: 00000000ffffffa6 RBX: ff1100000b937000 RCX: 1ff4000000162dca
[   15.434416][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9370bc
[   15.434658][  T250] RBP: ff11000008d0c000 R08: 1fe2200001726e19 R09: ff110000100f5158
[   15.434898][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   15.435139][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   15.435406][  T250] FS:  00007f16d3a51840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   15.435683][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.435893][  T250] CR2: 00007f16d3d211a0 CR3: 000000001037f002 CR4: 0000000000771ef0
[   15.436135][  T250] PKRU: 55555554
[   15.436280][  T250] Call Trace:
[   15.436445][  T250]  <TASK>
[   15.436563][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.436745][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.436894][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   15.437071][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   15.437254][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   15.437453][  T250]  ? __dev_change_flags (net/core/dev.c:9752)
[   15.437636][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   15.437813][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.437991][  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))
[   15.438174][  T250]  netif_change_flags (net/core/dev.c:9820)
[   15.438361][  T250]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   15.438551][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   15.438731][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.438909][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.439119][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.439300][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.439499][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.439677][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.439853][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   15.440032][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.440211][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.440411][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.440592][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.440769][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.440945][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.441123][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.441302][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.441503][  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)
[   15.441681][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.441859][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.442039][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.442220][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.442418][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.442598][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.442774][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.442951][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.443130][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.443306][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.443511][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.443689][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.443867][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.444046][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.444225][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.444427][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.444609][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.444789][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.444967][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.445147][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.445333][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.445526][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.445705][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.445886][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.446067][  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))
[   15.446246][  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))
[   15.446448][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.446630][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.446809][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.446987][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.447166][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.447353][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.447548][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.447731][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.447909][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.448116][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   15.448296][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.448496][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.448675][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   15.448853][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.449065][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.449254][  T250]  __sys_sendmsg (net/socket.c:2784)
[   15.449457][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.449638][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.449849][  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)
[   15.450027][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.450208][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.450410][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.450598][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.450777][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.450983][  T250] RIP: 0033:0x7f16d3c8b08e
[   15.451167][  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
[   15.451699][  T250] RSP: 002b:00007ffd5b111b60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.451941][  T250] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f16d3c8b08e
[   15.452184][  T250] RDX: 0000000000000000 RSI: 00007ffd5b111c10 RDI: 0000000000000005
[   15.452444][  T250] RBP: 00007ffd5b111b70 R08: 0000000000000000 R09: 0000000000000000
[   15.452688][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.452951][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5b1122e0
| [   15.455967][   T38] ------------[ cut here ]------------
| [   15.456105][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   15.456349][   T38] Modules linked in:
| [   15.456729][   T38] Tainted: [W]=WARN
[   15.456822][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.456974][   T38] Workqueue: events_unbound linkwatch_event
[   15.457129][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.457283][   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
[   15.457719][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   15.457870][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c5cee40 RCX: 1ff4000000055f02
[   15.458050][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5ceefc
[   15.458227][   T38] RBP: ff11000008d0c000 R08: 1fe22000018b9de1 R09: ff11000001da2ea8
[   15.458428][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.458607][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.458787][   T38] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   15.458997][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.459147][   T38] CR2: 00007f2fe9fd4574 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   15.459333][   T38] PKRU: 55555554
[   15.459450][   T38] Call Trace:
[   15.459544][   T38]  <TASK>
[   15.459608][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.459728][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.459860][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.459956][   T38]  netif_state_change (net/core/dev.c:1605)
[   15.460078][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.460228][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.460356][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.460488][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.460610][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.460728][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.460848][   T38]  process_one_work (kernel/workqueue.c:3314)
[   15.460973][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.461094][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.461219][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.461348][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.461473][   T38]  kthread (kernel/kthread.c:436)
[   15.461564][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.461717][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.461841][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.461964][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.462113][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.462234][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.462359][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.464270][   T38] ------------[ cut here ]------------
| [   15.464404][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/38
| [   15.464638][   T38] Modules linked in:
| [   15.465005][   T38] Tainted: [W]=WARN
[   15.465095][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.465244][   T38] Workqueue: events_unbound linkwatch_event
[   15.465409][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.465565][   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
[   15.465996][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   15.466148][   T38] RAX: 00000000ffffffa6 RBX: ff1100000c5ce3c0 RCX: 1ff4000000055f02
[   15.466336][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5ce47c
[   15.466530][   T38] RBP: ff11000010341000 R08: 1fe22000018b9c91 R09: ff11000001da2ea8
[   15.466709][   T38] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   15.466892][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   15.467072][   T38] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   15.467285][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.467448][   T38] CR2: 00007f2fe9fd4574 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   15.467635][   T38] PKRU: 55555554
[   15.467726][   T38] Call Trace:
[   15.467816][   T38]  <TASK>
[   15.467879][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.467999][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.468121][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.468215][   T38]  netif_state_change (net/core/dev.c:1605)
[   15.468341][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.468497][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   15.468617][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   15.468738][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.468864][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   15.468983][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   15.469104][   T38]  process_one_work (kernel/workqueue.c:3314)
[   15.469228][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   15.469356][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.469487][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   15.469609][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   15.469730][   T38]  kthread (kernel/kthread.c:436)
[   15.469821][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   15.469968][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.470095][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   15.470216][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   15.470370][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   15.470494][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   15.470615][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   15.532017][  T251] ------------[ cut here ]------------
| [   15.532171][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/251
| [   15.532425][  T251] Modules linked in:
| [   15.532807][  T251] Tainted: [W]=WARN
[   15.532910][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.533080][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.533258][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.533750][  T251] RSP: 0018:ffa0000000b26e90 EFLAGS: 00010286
[   15.533922][  T251] RAX: 00000000ffffffa6 RBX: ff1100000bc87700 RCX: 1ff4000000164d98
[   15.534126][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bc877bc
[   15.534332][  T251] RBP: ff11000010341000 R08: 1fe2200001790ef9 R09: ff110000100f2e58
[   15.534542][  T251] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   15.534742][  T251] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[   15.534946][  T251] FS:  00007fcb6b279840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   15.535185][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.535363][  T251] CR2: 00000000311733b8 CR3: 000000000b90e002 CR4: 0000000000771ef0
[   15.535573][  T251] PKRU: 55555554
[   15.535676][  T251] Call Trace:
[   15.535777][  T251]  <TASK>
[   15.535848][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.535987][  T251]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   15.536123][  T251]  notifier_call_chain (kernel/notifier.c:85)
[   15.536262][  T251]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   15.536409][  T251]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   15.536582][  T251]  veth_xdp_set (drivers/net/veth.c:1638)
[   15.536723][  T251]  ? veth_xdp_set (drivers/net/veth.c:1608 (discriminator 2))
[   15.536859][  T251]  dev_xdp_install (net/core/dev.c:10348)
[   15.536996][  T251]  ? netif_set_xps_queue (net/core/dev.c:3063)
[   15.537136][  T251]  dev_xdp_attach (net/core/dev.c:10504)
[   15.537274][  T251]  ? __bpf_prog_get (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:2013 kernel/bpf/syscall.c:2550 kernel/bpf/syscall.c:2598)
[   15.537424][  T251]  ? bpf_xdp_link_update (./include/net/netdev_lock.h:33)
[   15.537561][  T251]  ? __bpf_prog_get (kernel/bpf/syscall.c:2550)
[   15.537698][  T251]  dev_change_xdp_fd (net/core/dev.c:10759)
[   15.537835][  T251]  do_setlink.isra.0 (net/core/rtnetlink.c:3440 (discriminator 1))
[   15.537972][  T251]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.538111][  T251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.538281][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.538431][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.538566][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.538702][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.538837][  T251]  ? __kernel_text_address (kernel/extable.c:79)
[   15.538972][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.539113][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.539248][  T251]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.539390][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.539530][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.539667][  T251]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.539803][  T251]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.539938][  T251]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.540074][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.540211][  T251]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.540350][  T251]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.540495][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.540633][  T251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.540770][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.540905][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.541040][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.541177][  T251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.541312][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.541461][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.541595][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.541731][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.541867][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.542004][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.542141][  T251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.542279][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.542426][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.542562][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.542703][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.542839][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.542975][  T251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.543111][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.543248][  T251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.543401][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.543536][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.543673][  T251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.543810][  T251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.543950][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.544090][  T251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.544228][  T251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.544372][  T251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.544515][  T251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.544652][  T251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.544788][  T251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.544955][  T251]  ? move_addr_to_kernel (net/socket.c:258)
[   15.545094][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.545231][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.545374][  T251]  ___sys_sendmsg (net/socket.c:2752)
[   15.545514][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.545683][  T251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.545831][  T251]  __sys_sendmsg (net/socket.c:2784)
[   15.545968][  T251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.546103][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.546273][  T251]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.546422][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.546558][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.546695][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.546831][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.546966][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.547136][  T251] RIP: 0033:0x7fcb6b4b308e
[   15.547279][  T251] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.547777][  T251] RSP: 002b:00007ffd7987b390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.547980][  T251] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcb6b4b308e
[   15.548181][  T251] RDX: 0000000000000000 RSI: 00007ffd7987b440 RDI: 0000000000000005
[   15.548392][  T251] RBP: 00007ffd7987b3a0 R08: 0000000000000000 R09: 0000000000000000
[   15.548600][  T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.548802][  T251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7987bb10
| [   15.564750][  T251] ------------[ cut here ]------------
| [   15.564900][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/251
| [   15.565147][  T251] Modules linked in:
| [   15.565534][  T251] Tainted: [W]=WARN
[   15.565631][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   15.565795][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   15.565964][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   15.566437][  T251] RSP: 0018:ffa0000000b270a0 EFLAGS: 00010286
[   15.566608][  T251] RAX: 00000000ffffffa6 RBX: ff1100000a2238c0 RCX: 1ff4000000164dda
[   15.566800][  T251] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a22397c
[   15.566994][  T251] RBP: ff11000008d0c000 R08: 1fe2200001444731 R09: ff110000100f2e58
[   15.567187][  T251] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   15.567384][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000132fcae4
[   15.567584][  T251] FS:  00007fcb6b279840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   15.567809][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   15.567971][  T251] CR2: 0000562095de6bb8 CR3: 000000000b90e002 CR4: 0000000000771ef0
[   15.568167][  T251] PKRU: 55555554
[   15.568263][  T251] Call Trace:
[   15.568364][  T251]  <TASK>
[   15.568437][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   15.568566][  T251]  ? notifier_call_chain (kernel/notifier.c:85)
[   15.568697][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   15.568795][  T251]  netif_state_change (net/core/dev.c:1605)
[   15.568925][  T251]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   15.569088][  T251]  ? dev_change_xdp_fd (net/core/dev.c:10759)
[   15.569219][  T251]  do_setlink.isra.0 (net/core/rtnetlink.c:3453)
[   15.569356][  T251]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   15.569492][  T251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   15.569652][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   15.569783][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.569913][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   15.570041][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.570172][  T251]  ? __kernel_text_address (kernel/extable.c:79)
[   15.570301][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.570445][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.570574][  T251]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   15.570702][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.570830][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.570959][  T251]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   15.571089][  T251]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   15.571219][  T251]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   15.571354][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   15.571490][  T251]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   15.571618][  T251]  ? nla_get_range_signed (lib/nlattr.c:270)
[   15.571750][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   15.571884][  T251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   15.572014][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.572143][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.572272][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.572409][  T251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   15.572538][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.572669][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.572799][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.572927][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.573055][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   15.573184][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   15.573314][  T251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   15.573457][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.573587][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.573714][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.573847][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   15.573975][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   15.574107][  T251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   15.574237][  T251]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   15.574371][  T251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   15.574507][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   15.574637][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   15.574769][  T251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   15.574899][  T251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   15.575029][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   15.575158][  T251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   15.575306][  T251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   15.575447][  T251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   15.575578][  T251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   15.575708][  T251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   15.575838][  T251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   15.575996][  T251]  ? move_addr_to_kernel (net/socket.c:258)
[   15.576127][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   15.576255][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   15.576391][  T251]  ___sys_sendmsg (net/socket.c:2752)
[   15.576525][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   15.576684][  T251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   15.576826][  T251]  __sys_sendmsg (net/socket.c:2784)
[   15.576955][  T251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   15.577083][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   15.577245][  T251]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   15.577378][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   15.577514][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   15.577645][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   15.577773][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   15.577903][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   15.578061][  T251] RIP: 0033:0x7fcb6b4b308e
[   15.578197][  T251] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   15.578665][  T251] RSP: 002b:00007ffd7987b390 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   15.578863][  T251] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007fcb6b4b308e
[   15.579054][  T251] RDX: 0000000000000000 RSI: 00007ffd7987b440 RDI: 0000000000000005
[   15.579245][  T251] RBP: 00007ffd7987b3a0 R08: 0000000000000000 R09: 0000000000000000
[   15.579449][  T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b2
[   15.579645][  T251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7987bb10
| [   19.728248][   T12] ------------[ cut here ]------------
| [   19.728855][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.729099][   T12] Modules linked in:
| [   19.729906][   T12] Tainted: [W]=WARN
[   19.730046][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.730196][   T12] Workqueue: netns cleanup_net
[   19.730321][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.730535][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.730955][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.731107][   T12] RAX: 00000000ffffffa6 RBX: ff11000013174c80 RCX: 1ff4000000018eed
[   19.731284][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013174d3c
[   19.731523][   T12] RBP: ff1100000962c000 R08: 1fe220000262e9a9 R09: ff11000001aed1d0
[   19.731702][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.731876][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.732054][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   19.732262][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.732462][   T12] CR2: 00007f045fcbf000 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   19.732647][   T12] PKRU: 55555554
[   19.732736][   T12] Call Trace:
[   19.732825][   T12]  <TASK>
[   19.732888][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.733045][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.733195][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.733316][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.733448][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.733568][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.733689][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.733809][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.733929][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.734054][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.734177][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.734294][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.734422][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.734542][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.734665][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.734786][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.734909][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.735029][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.735154][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.735277][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.735405][   T12]  kthread (kernel/kthread.c:436)
[   19.735496][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.735645][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.735765][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.735885][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.736033][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.736151][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.736269][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.738520][   T12] ------------[ cut here ]------------
| [   19.738639][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.738869][   T12] Modules linked in:
| [   19.739230][   T12] Tainted: [W]=WARN
[   19.739319][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.739476][   T12] Workqueue: netns cleanup_net
[   19.739602][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.739765][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.740182][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.740341][   T12] RAX: 00000000ffffffa6 RBX: ff11000013174e40 RCX: 1ff4000000018eed
[   19.740527][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013174efc
[   19.740704][   T12] RBP: ff1100000f2bc000 R08: 1fe220000262e9e1 R09: ff11000001aed1d0
[   19.740881][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.741058][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.741234][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   19.741451][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.741598][   T12] CR2: 00007f045fcbf000 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   19.741778][   T12] PKRU: 55555554
[   19.741867][   T12] Call Trace:
[   19.741955][   T12]  <TASK>
[   19.742016][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.742173][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.742322][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.742451][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.742574][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.742692][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.742815][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.742938][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.743060][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.743176][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.743297][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.743426][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.743542][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.743661][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.743777][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.743898][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.744019][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.744138][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.744261][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.744389][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.744512][   T12]  kthread (kernel/kthread.c:436)
[   19.744603][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.744753][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.744874][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.744993][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.745144][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.745262][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.745386][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.747568][   T12] ------------[ cut here ]------------
| [   19.747684][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   19.747916][   T12] Modules linked in:
| [   19.748277][   T12] Tainted: [W]=WARN
[   19.748371][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.748590][   T12] Workqueue: netns cleanup_net
[   19.748716][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.748870][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.749296][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.749543][   T12] RAX: 00000000ffffffa6 RBX: ff11000013174900 RCX: 1ff4000000018eed
[   19.749721][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000131749bc
[   19.749899][   T12] RBP: ff1100000f9e4000 R08: 1fe220000262e939 R09: ff11000001aed1d0
[   19.750075][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   19.750253][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.750490][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   19.750742][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.750890][   T12] CR2: 00007f045fcbf000 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   19.751070][   T12] PKRU: 55555554
[   19.751157][   T12] Call Trace:
[   19.751247][   T12]  <TASK>
[   19.751308][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.751510][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.751656][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.751822][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.751946][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.752069][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.752191][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.752310][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.752481][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.752598][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.752724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.752842][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.752959][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.753080][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.753196][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.753316][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.753494][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.753611][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.753732][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.753855][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.753975][   T12]  kthread (kernel/kthread.c:436)
[   19.754064][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.754210][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.754330][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.754503][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.754654][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.754773][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.754891][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.757823][   T12] ------------[ cut here ]------------
| [   19.757958][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   19.758191][   T12] Modules linked in:
| [   19.758746][   T12] Tainted: [W]=WARN
[   19.758837][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.758987][   T12] Workqueue: netns cleanup_net
[   19.759110][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.759270][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.759755][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.759920][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb64c80 RCX: 1ff4000000018eed
[   19.760096][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cb64d3c
[   19.760273][   T12] RBP: ff11000007d11000 R08: 1fe220000196c9a9 R09: ff11000001aed1d0
[   19.760466][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.760640][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.760817][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   19.761024][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.761172][   T12] CR2: 00007f16d3eff8f4 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   19.761357][   T12] PKRU: 55555554
[   19.761454][   T12] Call Trace:
[   19.761542][   T12]  <TASK>
[   19.761604][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.761761][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.761909][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.762028][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.762148][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.762265][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.762388][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.762519][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.762639][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.762755][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.762875][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.762994][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.763110][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.763229][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.763355][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.763480][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.763602][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.763719][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.763843][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.763965][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.764082][   T12]  kthread (kernel/kthread.c:436)
[   19.764169][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.764315][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.764445][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.764564][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.764711][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.764827][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.764946][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.774987][   T12] ------------[ cut here ]------------
| [   19.775121][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   19.775360][   T12] Modules linked in:
| [   19.775727][   T12] Tainted: [W]=WARN
[   19.775816][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.775965][   T12] Workqueue: netns cleanup_net
[   19.776140][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.776316][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.776809][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   19.776959][   T12] RAX: 00000000ffffffa6 RBX: ff11000009ccd700 RCX: 1ff4000000018eed
[   19.777134][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ccd7bc
[   19.777306][   T12] RBP: ff11000007f74000 R08: 1fe2200001399af9 R09: ff11000001aed1d0
[   19.777567][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   19.777741][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.777917][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   19.778121][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.778268][   T12] CR2: 00007f16d3eff8f4 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   19.778500][   T12] PKRU: 55555554
[   19.778587][   T12] Call Trace:
[   19.778675][   T12]  <TASK>
[   19.778737][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.778932][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.779079][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   19.779205][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   19.779323][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.779489][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   19.779606][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.779724][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   19.779843][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.779962][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.780081][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.780200][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.780315][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.780447][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.780562][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.780680][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.780800][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.780917][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.781043][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.781165][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.781281][   T12]  kthread (kernel/kthread.c:436)
[   19.781372][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.781520][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.781639][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.781756][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.781903][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.782019][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.782137][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.803820][   T12] ------------[ cut here ]------------
| [   19.803960][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   19.804212][   T12] Modules linked in:
| [   19.804635][   T12] Tainted: [W]=WARN
[   19.804737][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.804895][   T12] Workqueue: netns cleanup_net
[   19.805069][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.805261][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.805790][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.805948][   T12] RAX: 00000000ffffffa6 RBX: ff11000009ccd540 RCX: 1ff4000000018eaf
[   19.806135][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ccd5fc
[   19.806331][   T12] RBP: ff11000008d0c000 R08: 1fe2200001399ac1 R09: ff11000001aed1d0
[   19.806574][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   19.806766][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000010341000
[   19.806952][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   19.807171][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.807327][   T12] CR2: 00007f16d3eff8f4 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   19.807572][   T12] PKRU: 55555554
[   19.807665][   T12] Call Trace:
[   19.807757][   T12]  <TASK>
[   19.807821][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.807999][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.808095][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.808221][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.808347][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.808525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.808649][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.808772][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.808932][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.809087][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.809212][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.809373][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.809545][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.809667][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.809821][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.809947][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.810072][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.810195][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.810322][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.810513][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.810639][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.810764][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.810890][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.811013][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.811136][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.811262][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.811391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.811566][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.811692][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.811814][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.811945][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.812074][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.812197][   T12]  kthread (kernel/kthread.c:436)
[   19.812291][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.812502][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.812626][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.812750][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.812917][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.813044][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.813170][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.815592][   T12] ------------[ cut here ]------------
| [   19.815772][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.816069][   T12] Modules linked in:
| [   19.816572][   T12] Tainted: [W]=WARN
[   19.816714][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.816916][   T12] Workqueue: netns cleanup_net
[   19.817096][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.817307][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.817823][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.818028][   T12] RAX: 00000000ffffffa6 RBX: ff1100001288d540 RCX: 1ff4000000018eaf
[   19.818266][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001288d5fc
[   19.818525][   T12] RBP: ff11000010341000 R08: 1fe2200002511ac1 R09: ff11000001aed1d0
[   19.818757][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.818992][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f87c000
[   19.819231][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   19.819517][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.819720][   T12] CR2: 000055fd70cedb88 CR3: 000000000f91f005 CR4: 0000000000771ef0
[   19.819955][   T12] PKRU: 55555554
[   19.820094][   T12] Call Trace:
[   19.820234][   T12]  <TASK>
[   19.820361][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.820550][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.820732][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.820879][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.821055][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.821229][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.821422][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.821596][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.821775][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.821983][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.822189][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.822371][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.822591][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.822764][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.822937][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.823145][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.823322][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.823522][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.823698][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.823874][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.824050][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.824225][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.824422][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.824600][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.824775][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.824947][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.825123][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.825297][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.825494][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.825675][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.825847][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.826026][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.826206][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.826383][   T12]  kthread (kernel/kthread.c:436)
[   19.826539][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.826744][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.826923][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.827098][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.827300][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.827493][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.827668][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.830280][   T12] ------------[ cut here ]------------
| [   19.830471][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.830763][   T12] Modules linked in:
| [   19.831240][   T12] Tainted: [W]=WARN
[   19.831390][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.831609][   T12] Workqueue: netns cleanup_net
[   19.831789][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.832032][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.832549][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   19.832757][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a351a80 RCX: 1ff4000000018eaf
[   19.833021][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a351b3c
[   19.833256][   T12] RBP: ff1100000f87c000 R08: 1fe220000146a369 R09: ff11000001aed1d0
[   19.833507][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   19.833740][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   19.833974][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   19.834247][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.834473][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   19.834709][   T12] PKRU: 55555554
[   19.834851][   T12] Call Trace:
[   19.834992][   T12]  <TASK>
[   19.835106][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.835281][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.835479][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.835628][   T12]  netif_close_many (net/core/dev.c:1804)
[   19.835805][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.835975][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.836147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.836325][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   19.836524][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   19.836735][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   19.836963][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.837139][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.837349][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.837538][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.837710][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.837915][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   19.838094][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.838269][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.838462][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.838635][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.838811][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.838986][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.839157][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.839344][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.839534][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.839706][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.839882][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.840056][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.840231][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.840430][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.840603][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.840784][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.840962][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.841137][   T12]  kthread (kernel/kthread.c:436)
[   19.841280][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.841506][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.841681][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.841857][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.842066][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.842240][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.842436][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.849868][   T12] ------------[ cut here ]------------
| [   19.850035][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.850319][   T12] Modules linked in:
| [   19.851608][   T12] Tainted: [W]=WARN
[   19.851792][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.852034][   T12] Workqueue: netns cleanup_net
[   19.852255][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.852555][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.853079][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.853322][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b78c0 RCX: 1ff4000000018ed5
[   19.853616][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b797c
[   19.853886][   T12] RBP: ff11000008d0c000 R08: 1fe2200001f16f31 R09: ff11000001aed1d0
[   19.854160][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.854452][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.854727][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   19.855030][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.855278][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   19.855575][   T12] PKRU: 55555554
[   19.855758][   T12] Call Trace:
[   19.855939][   T12]  <TASK>
[   19.856126][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.856383][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.856642][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.856857][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.857068][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.857315][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.857552][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.857767][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.857982][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.858230][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.858515][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.858697][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.858864][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.859034][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.859199][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.859375][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.859559][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.859730][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.859901][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.860069][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.860239][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.860431][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.860600][   T12]  kthread (kernel/kthread.c:436)
[   19.860738][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.860936][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.861106][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.861276][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.861495][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.861667][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.861835][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.864612][   T12] ------------[ cut here ]------------
| [   19.864778][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.865062][   T12] Modules linked in:
| [   19.865584][   T12] Tainted: [W]=WARN
[   19.865730][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.865928][   T12] Workqueue: netns cleanup_net
[   19.866101][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.866307][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.866800][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.867000][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b6ac0 RCX: 1ff4000000018ed5
[   19.867229][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b6b7c
[   19.867474][   T12] RBP: ff11000010341000 R08: 1fe2200001f16d71 R09: ff11000001aed1d0
[   19.867699][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.867922][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.868149][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   19.868424][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.868621][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   19.868848][   T12] PKRU: 55555554
[   19.868983][   T12] Call Trace:
[   19.869118][   T12]  <TASK>
[   19.869227][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.869450][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.869646][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.869814][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.869980][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.870182][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.870358][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.870537][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.870709][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.870882][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.871052][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.871218][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.871411][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.871580][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.871749][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.871920][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.872092][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.872261][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.872451][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.872620][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.872792][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.872965][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.873134][   T12]  kthread (kernel/kthread.c:436)
[   19.873276][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.873495][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.873665][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.873835][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.874033][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.874202][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.874377][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.877131][   T12] ------------[ cut here ]------------
| [   19.877294][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   19.877965][   T12] Modules linked in:
| [   19.878581][   T12] Tainted: [W]=WARN
[   19.878763][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.879004][   T12] Workqueue: netns cleanup_net
[   19.879240][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.879520][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.880050][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   19.880292][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c765e00 RCX: 1ff4000000018ed5
[   19.880584][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c765ebc
[   19.880853][   T12] RBP: ff1100000f87c000 R08: 1fe22000018ecbd9 R09: ff11000001aed1d0
[   19.881124][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   19.881415][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.881686][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   19.881987][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.882228][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   19.882524][   T12] PKRU: 55555554
[   19.882705][   T12] Call Trace:
[   19.882886][   T12]  <TASK>
[   19.883040][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   19.883287][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   19.883550][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   19.883766][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   19.883979][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   19.884225][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   19.884462][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   19.884679][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   19.884896][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   19.885111][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   19.885327][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   19.885563][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.885779][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   19.885992][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   19.886202][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   19.886477][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   19.886746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   19.887022][   T12]  process_one_work (kernel/workqueue.c:3314)
[   19.887284][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.887568][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.887835][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.888098][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.888364][   T12]  kthread (kernel/kthread.c:436)
[   19.888601][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.888890][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.889057][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.889226][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.889446][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.889615][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.889783][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.899634][  T268] ------------[ cut here ]------------
| [   19.899782][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/268
| [   19.900016][  T268] Modules linked in:
| [   19.900391][  T268] Tainted: [W]=WARN
[   19.900498][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.900664][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.900836][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.901306][  T268] RSP: 0018:ffa0000000b27a80 EFLAGS: 00010286
[   19.901484][  T268] RAX: 00000000ffffffa6 RBX: ff1100000a1d5700 RCX: 1ff4000000164f16
[   19.901682][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a1d57bc
[   19.901879][  T268] RBP: ff1100000a3e9000 R08: 1fe220000143aaf9 R09: ff1100000a3dd180
[   19.902076][  T268] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.902272][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a3e9000
[   19.902481][  T268] FS:  00007f6c62fca840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   19.902711][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.902877][  T268] CR2: 00007f6c631cbc20 CR3: 0000000004b17003 CR4: 0000000000771ef0
[   19.903076][  T268] PKRU: 55555554
[   19.903175][  T268] Call Trace:
[   19.903274][  T268]  <TASK>
[   19.903347][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.903487][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.903620][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.903720][  T268]  register_netdevice (net/core/dev.c:11488)
[   19.903853][  T268]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.904016][  T268]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.904149][  T268]  register_netdev (net/core/dev.c:11552)
[   19.904281][  T268]  loopback_net_init (drivers/net/loopback.c:218)
[   19.904427][  T268]  ops_init (net/core/net_namespace.c:137)
[   19.904531][  T268]  setup_net (net/core/net_namespace.c:446)
[   19.904632][  T268]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.904764][  T268]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.904896][  T268]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.905030][  T268]  copy_net_ns (net/core/net_namespace.c:579)
[   19.905164][  T268]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.905300][  T268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.905443][  T268]  ksys_unshare (kernel/fork.c:3243)
[   19.905576][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.905710][  T268]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.905842][  T268]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.905976][  T268]  ? __ia32_sys_open (fs/open.c:1374)
[   19.906111][  T268]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.906242][  T268]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.906379][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.906516][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.906647][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.906778][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.906941][  T268] RIP: 0033:0x7f6c6328cbcb
[   19.907080][  T268] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.907558][  T268] RSP: 002b:00007ffd5c85d218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.907757][  T268] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6c6328cbcb
[   19.907953][  T268] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.908151][  T268] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.908351][  T268] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd5c85f440
[   19.908554][  T268] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5c85f886
| [   19.917125][  T268] ------------[ cut here ]------------
| [   19.917264][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/268
| [   19.917504][  T268] Modules linked in:
| [   19.917866][  T268] Tainted: [W]=WARN
[   19.917967][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.918129][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.918299][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.918771][  T268] RSP: 0018:ffa0000000b27918 EFLAGS: 00010286
[   19.918936][  T268] RAX: 00000000ffffffa6 RBX: ff1100000c16c740 RCX: 1ff4000000164ee9
[   19.919130][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c16c7fc
[   19.919323][  T268] RBP: ff110000078a9000 R08: 1fe220000182d901 R09: ff1100000a3dd180
[   19.919527][  T268] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.919722][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000078a9000
[   19.919918][  T268] FS:  00007f6c62fca840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   19.920146][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.920308][  T268] CR2: 00007f6c631cbc20 CR3: 0000000004b17003 CR4: 0000000000771ef0
[   19.920514][  T268] PKRU: 55555554
[   19.920611][  T268] Call Trace:
[   19.920708][  T268]  <TASK>
[   19.920776][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.920906][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.921037][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.921137][  T268]  register_netdevice (net/core/dev.c:11488)
[   19.921269][  T268]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.921441][  T268]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.921573][  T268]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.921703][  T268]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.921833][  T268]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.921964][  T268]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.922094][  T268]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.922226][  T268]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   19.922364][  T268]  ops_init (net/core/net_namespace.c:137)
[   19.922471][  T268]  setup_net (net/core/net_namespace.c:446)
[   19.922570][  T268]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.922699][  T268]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.922830][  T268]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.922962][  T268]  copy_net_ns (net/core/net_namespace.c:579)
[   19.923093][  T268]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.923226][  T268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.923364][  T268]  ksys_unshare (kernel/fork.c:3243)
[   19.923501][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.923632][  T268]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.923762][  T268]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.923893][  T268]  ? __ia32_sys_open (fs/open.c:1374)
[   19.924024][  T268]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.924153][  T268]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.924284][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.924424][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.924553][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.924682][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.924843][  T268] RIP: 0033:0x7f6c6328cbcb
[   19.924978][  T268] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.925451][  T268] RSP: 002b:00007ffd5c85d218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.925646][  T268] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6c6328cbcb
[   19.925839][  T268] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.926034][  T268] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.926228][  T268] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd5c85f440
[   19.926431][  T268] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5c85f886
| [   19.930216][  T268] ------------[ cut here ]------------
| [   19.930356][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/268
| [   19.930590][  T268] Modules linked in:
| [   19.930953][  T268] Tainted: [W]=WARN
[   19.931054][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.931218][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.931401][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.931868][  T268] RSP: 0018:ffa0000000b278f8 EFLAGS: 00010286
[   19.932035][  T268] RAX: 00000000ffffffa6 RBX: ff110000128a3c40 RCX: 1ff4000000164ee5
[   19.932231][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000128a3cfc
[   19.932437][  T268] RBP: ff11000008d19000 R08: 1fe22000025147a1 R09: ff1100000a3dd180
[   19.932633][  T268] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.932830][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008d19000
[   19.933028][  T268] FS:  00007f6c62fca840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   19.933258][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.933434][  T268] CR2: 00007f6c631cbc20 CR3: 0000000004b17003 CR4: 0000000000771ef0
[   19.933634][  T268] PKRU: 55555554
[   19.933733][  T268] Call Trace:
[   19.933830][  T268]  <TASK>
[   19.933898][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.934029][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.934162][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.934263][  T268]  register_netdevice (net/core/dev.c:11488)
[   19.934406][  T268]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.934571][  T268]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   19.934705][  T268]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   19.934837][  T268]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   19.934969][  T268]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   19.935103][  T268]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   19.935236][  T268]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   19.935374][  T268]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   19.935513][  T268]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   19.935649][  T268]  vti_init_net (net/ipv4/ip_vti.c:517)
[   19.935781][  T268]  ops_init (net/core/net_namespace.c:137)
[   19.935882][  T268]  setup_net (net/core/net_namespace.c:446)
[   19.935982][  T268]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.936114][  T268]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.936245][  T268]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.936380][  T268]  copy_net_ns (net/core/net_namespace.c:579)
[   19.936520][  T268]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.936655][  T268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.936789][  T268]  ksys_unshare (kernel/fork.c:3243)
[   19.936921][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.937053][  T268]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.937185][  T268]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.937319][  T268]  ? __ia32_sys_open (fs/open.c:1374)
[   19.937466][  T268]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.937597][  T268]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.937728][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.937858][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.937989][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.938121][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.938283][  T268] RIP: 0033:0x7f6c6328cbcb
[   19.938431][  T268] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.938900][  T268] RSP: 002b:00007ffd5c85d218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.939099][  T268] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6c6328cbcb
[   19.939296][  T268] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.939504][  T268] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.939700][  T268] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd5c85f440
[   19.939897][  T268] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5c85f886
| [   19.943991][  T268] ------------[ cut here ]------------
| [   19.944127][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/268
| [   19.944356][  T268] Modules linked in:
| [   19.944728][  T268] Tainted: [W]=WARN
[   19.944826][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.944989][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.945159][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.945635][  T268] RSP: 0018:ffa0000000b27a78 EFLAGS: 00010286
[   19.945799][  T268] RAX: 00000000ffffffa6 RBX: ff1100000b583a80 RCX: 1ff4000000164f15
[   19.945993][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b583b3c
[   19.946188][  T268] RBP: ff1100000932c000 R08: 1fe22000016b0769 R09: ff1100000a3dd180
[   19.946391][  T268] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.946591][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000932c000
[   19.946789][  T268] FS:  00007f6c62fca840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   19.947018][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.947184][  T268] CR2: 00007f6c631cbc20 CR3: 0000000004b17003 CR4: 0000000000771ef0
[   19.947385][  T268] PKRU: 55555554
[   19.947488][  T268] Call Trace:
[   19.947585][  T268]  <TASK>
[   19.947653][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.947785][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.947916][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.948018][  T268]  register_netdevice (net/core/dev.c:11488)
[   19.948151][  T268]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.948313][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.948460][  T268]  register_netdev (net/core/dev.c:11552)
[   19.948590][  T268]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   19.948723][  T268]  ops_init (net/core/net_namespace.c:137)
[   19.948824][  T268]  setup_net (net/core/net_namespace.c:446)
[   19.948925][  T268]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.949056][  T268]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.949187][  T268]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.949320][  T268]  copy_net_ns (net/core/net_namespace.c:579)
[   19.949463][  T268]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.949598][  T268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.949730][  T268]  ksys_unshare (kernel/fork.c:3243)
[   19.949862][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.949994][  T268]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.950127][  T268]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.950352][  T268]  ? __ia32_sys_open (fs/open.c:1374)
[   19.950491][  T268]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.950622][  T268]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.950752][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.950969][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.951102][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.951233][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.951409][  T268] RIP: 0033:0x7f6c6328cbcb
[   19.951638][  T268] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.952198][  T268] RSP: 002b:00007ffd5c85d218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.952406][  T268] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6c6328cbcb
[   19.952601][  T268] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.952885][  T268] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.953081][  T268] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd5c85f440
[   19.953275][  T268] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5c85f886
| [   19.957878][  T268] ------------[ cut here ]------------
| [   19.958017][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/268
| [   19.958242][  T268] Modules linked in:
| [   19.958715][  T268] Tainted: [W]=WARN
[   19.958813][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.959065][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.959233][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.959796][  T268] RSP: 0018:ffa0000000b27a68 EFLAGS: 00010286
[   19.959961][  T268] RAX: 00000000ffffffa6 RBX: ff1100000c16dc40 RCX: 1ff4000000164f13
[   19.960243][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c16dcfc
[   19.960446][  T268] RBP: ff1100000594c000 R08: 1fe220000182dba1 R09: ff1100000a3dd180
[   19.960639][  T268] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.960923][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000594c000
[   19.961119][  T268] FS:  00007f6c62fca840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   19.961348][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.961605][  T268] CR2: 00007f6c631cbc20 CR3: 0000000004b17003 CR4: 0000000000771ef0
[   19.961801][  T268] PKRU: 55555554
[   19.961899][  T268] Call Trace:
[   19.962081][  T268]  <TASK>
[   19.962147][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.962277][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.962419][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.962518][  T268]  register_netdevice (net/core/dev.c:11488)
[   19.962736][  T268]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.962901][  T268]  register_netdev (net/core/dev.c:11552)
[   19.963031][  T268]  sit_init_net (net/ipv6/sit.c:1860)
[   19.963164][  T268]  ops_init (net/core/net_namespace.c:137)
[   19.963353][  T268]  setup_net (net/core/net_namespace.c:446)
[   19.963458][  T268]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.963587][  T268]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.963717][  T268]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.963936][  T268]  copy_net_ns (net/core/net_namespace.c:579)
[   19.964068][  T268]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.964201][  T268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.964331][  T268]  ksys_unshare (kernel/fork.c:3243)
[   19.964470][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.964601][  T268]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.964731][  T268]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.964862][  T268]  ? __ia32_sys_open (fs/open.c:1374)
[   19.965081][  T268]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.965210][  T268]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.965343][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.965479][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.965694][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.965823][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.965984][  T268] RIP: 0033:0x7f6c6328cbcb
[   19.966118][  T268] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.966684][  T268] RSP: 002b:00007ffd5c85d218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.966966][  T268] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6c6328cbcb
[   19.967159][  T268] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.967358][  T268] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.967556][  T268] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd5c85f440
[   19.967750][  T268] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5c85f886
| [   19.972800][  T268] ------------[ cut here ]------------
| [   19.972936][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/268
| [   19.973243][  T268] Modules linked in:
| [   19.973708][  T268] Tainted: [W]=WARN
[   19.973805][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.973966][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.974133][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.974696][  T268] RSP: 0018:ffa0000000b27a78 EFLAGS: 00010286
[   19.974946][  T268] RAX: 00000000ffffffa6 RBX: ff11000013236040 RCX: 1ff4000000164f15
[   19.975140][  T268] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132360fc
[   19.975333][  T268] RBP: ff11000008b99000 R08: 1fe2200002646c21 R09: ff1100000a3dd180
[   19.975538][  T268] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   19.975733][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008b99000
[   19.975928][  T268] FS:  00007f6c62fca840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   19.976245][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.976420][  T268] CR2: 00007f6c631cbc20 CR3: 0000000004b17003 CR4: 0000000000771ef0
[   19.976703][  T268] PKRU: 55555554
[   19.976799][  T268] Call Trace:
[   19.976895][  T268]  <TASK>
[   19.976961][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.977090][  T268]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.977306][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.977412][  T268]  register_netdevice (net/core/dev.c:11488)
[   19.977546][  T268]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   19.977706][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   19.977923][  T268]  register_netdev (net/core/dev.c:11552)
[   19.978052][  T268]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   19.978183][  T268]  ops_init (net/core/net_namespace.c:137)
[   19.978283][  T268]  setup_net (net/core/net_namespace.c:446)
[   19.978385][  T268]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   19.978521][  T268]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   19.978650][  T268]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   19.978781][  T268]  copy_net_ns (net/core/net_namespace.c:579)
[   19.978911][  T268]  create_new_namespaces (kernel/nsproxy.c:132)
[   19.979130][  T268]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   19.979260][  T268]  ksys_unshare (kernel/fork.c:3243)
[   19.979475][  T268]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   19.979609][  T268]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   19.979823][  T268]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   19.979953][  T268]  ? __ia32_sys_open (fs/open.c:1374)
[   19.980084][  T268]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   19.980213][  T268]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   19.980438][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   19.980569][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   19.980700][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   19.980832][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   19.981079][  T268] RIP: 0033:0x7f6c6328cbcb
[   19.981216][  T268] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   19.981778][  T268] RSP: 002b:00007ffd5c85d218 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   19.981975][  T268] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f6c6328cbcb
[   19.982259][  T268] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   19.982463][  T268] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   19.982656][  T268] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd5c85f440
[   19.982938][  T268] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd5c85f886
| [   20.002267][   T12] ------------[ cut here ]------------
| [   20.002458][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.002737][   T12] Modules linked in:
| [   20.003189][   T12] Tainted: [W]=WARN
[   20.003325][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.003594][   T12] Workqueue: netns cleanup_net
[   20.003765][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.003967][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.004457][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.004656][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c765000 RCX: 1ff4000000018eed
[   20.004880][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c7650bc
[   20.005104][   T12] RBP: ff11000008169000 R08: 1fe22000018eca19 R09: ff11000001aed1d0
[   20.005325][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.005570][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.005798][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.006052][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.006250][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   20.006502][   T12] PKRU: 55555554
[   20.006637][   T12] Call Trace:
[   20.006773][   T12]  <TASK>
[   20.006886][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.007099][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.007306][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.007498][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.007665][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.007834][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.008001][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.008170][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.008374][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.008551][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.008720][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.008886][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.009054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.009221][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.009439][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.009611][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.009783][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.009950][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.010121][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.010323][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.010508][   T12]  kthread (kernel/kthread.c:436)
[   20.010645][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.010837][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.011006][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.011173][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.011372][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.011557][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.011724][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.014368][   T12] ------------[ cut here ]------------
| [   20.014546][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.014824][   T12] Modules linked in:
| [   20.015275][   T12] Tainted: [W]=WARN
[   20.015437][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.015631][   T12] Workqueue: netns cleanup_net
[   20.015803][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.016005][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.016497][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.016693][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b936580 RCX: 1ff4000000018eed
[   20.016916][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b93663c
[   20.017137][   T12] RBP: ff11000008cf1000 R08: 1fe2200001726cc9 R09: ff11000001aed1d0
[   20.017366][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.017601][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.017823][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.018074][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.018267][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   20.018514][   T12] PKRU: 55555554
[   20.018647][   T12] Call Trace:
[   20.018781][   T12]  <TASK>
[   20.018888][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.019100][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.019292][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.019475][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.019641][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.019809][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.019975][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.020140][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.020308][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.020491][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.020660][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.020828][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.020990][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.021161][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.021324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.021509][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.021679][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.021842][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.022011][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.022181][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.022355][   T12]  kthread (kernel/kthread.c:436)
[   20.022504][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.022698][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.022863][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.023028][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.023221][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.023406][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.023575][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.030464][   T12] ------------[ cut here ]------------
| [   20.030630][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.030906][   T12] Modules linked in:
| [   20.031356][   T12] Tainted: [W]=WARN
[   20.031936][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.032448][   T12] Workqueue: netns cleanup_net
[   20.032671][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.032917][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.033443][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.033685][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ed2580 RCX: 1ff4000000018eed
[   20.033947][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed263c
[   20.034210][   T12] RBP: ff110000084b9000 R08: 1fe22000003da4c9 R09: ff11000001aed1d0
[   20.034490][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.034758][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.035024][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.035352][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.035646][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   20.035966][   T12] PKRU: 55555554
[   20.036190][   T12] Call Trace:
[   20.036435][   T12]  <TASK>
[   20.036634][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.036922][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.037200][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.037468][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.037724][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.037932][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.038145][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.038362][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.038605][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.038810][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.039020][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.039229][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.039457][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.039668][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.039879][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.040089][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.040298][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.040526][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.040739][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.040951][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.041159][   T12]  kthread (kernel/kthread.c:436)
[   20.041346][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.041603][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.041812][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.042020][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.042255][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.042487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.042699][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.045525][   T12] ------------[ cut here ]------------
| [   20.045687][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.045962][   T12] Modules linked in:
| [   20.046808][   T12] Tainted: [W]=WARN
[   20.047034][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.047326][   T12] Workqueue: netns cleanup_net
[   20.047574][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.047822][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.048376][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.048593][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ed3540 RCX: 1ff4000000018eed
[   20.048811][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed35fc
[   20.049044][   T12] RBP: ff1100000a86c000 R08: 1fe22000003da6c1 R09: ff11000001aed1d0
[   20.049263][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.049501][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.049723][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.049975][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.050168][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   20.050410][   T12] PKRU: 55555554
[   20.050544][   T12] Call Trace:
[   20.050697][   T12]  <TASK>
[   20.050809][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.051018][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.051214][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.051391][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.051573][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.051741][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.051906][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.052074][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.052244][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.052434][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.052605][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.052772][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.052935][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.053104][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.053269][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.053449][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.053617][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.053784][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.053954][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.054123][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.054287][   T12]  kthread (kernel/kthread.c:436)
[   20.054442][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.054635][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.054801][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.054970][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.055165][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.055328][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.055513][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.057912][   T12] ------------[ cut here ]------------
| [   20.058070][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.058350][   T12] Modules linked in:
| [   20.059287][   T12] Tainted: [W]=WARN
[   20.059484][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.059723][   T12] Workqueue: netns cleanup_net
[   20.059938][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.060184][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.060712][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   20.060951][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ed38c0 RCX: 1ff4000000018eed
[   20.061214][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed397c
[   20.061495][   T12] RBP: ff1100000a924000 R08: 1fe22000003da731 R09: ff11000001aed1d0
[   20.061761][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.062026][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.062292][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.062605][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.062845][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   20.063111][   T12] PKRU: 55555554
[   20.063288][   T12] Call Trace:
[   20.063489][   T12]  <TASK>
[   20.063644][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.063888][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.064125][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   20.064333][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   20.064567][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.064777][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   20.064987][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.065197][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   20.065429][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.065640][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.065883][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.066138][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.066423][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.066679][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.066933][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.067190][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.067468][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.067720][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.067965][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.068134][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.068298][   T12]  kthread (kernel/kthread.c:436)
[   20.068455][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.068649][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.068815][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.068980][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.069172][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.069346][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.069525][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.072210][  T269] ------------[ cut here ]------------
| [   20.072364][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/269
| [   20.072888][  T269] Modules linked in:
| [   20.073250][  T269] Tainted: [W]=WARN
[   20.073350][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.073522][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.073692][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.074153][  T269] RSP: 0018:ffa0000000a07020 EFLAGS: 00010286
[   20.074319][  T269] RAX: 00000000ffffffa6 RBX: ff110000051d4900 RCX: 1ff4000000140dca
[   20.074523][  T269] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051d49bc
[   20.074717][  T269] RBP: ff1100000a3e9000 R08: 1fe2200000a3a939 R09: ff1100000fad5158
[   20.074911][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   20.075105][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.075299][  T269] FS:  00007ff6fb12f840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.075534][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.075697][  T269] CR2: 0000000026020988 CR3: 000000000fb17006 CR4: 0000000000771ef0
[   20.075893][  T269] PKRU: 55555554
[   20.075990][  T269] Call Trace:
[   20.076087][  T269]  <TASK>
[   20.076154][  T269]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.076286][  T269]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.076389][  T269]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.076524][  T269]  __dev_notify_flags (net/core/dev.c:9787)
[   20.076656][  T269]  ? netif_change_name (net/core/dev.c:1495)
[   20.076786][  T269]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.076918][  T269]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.077048][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.077178][  T269]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.077310][  T269]  netif_change_flags (net/core/dev.c:9820)
[   20.077452][  T269]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.077582][  T269]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.077713][  T269]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.077844][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.078006][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.078138][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.078268][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.078406][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.078538][  T269]  ? __kernel_text_address (kernel/extable.c:79)
[   20.078668][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.078801][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.078930][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.079060][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.079191][  T269]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.079322][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.079462][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.079591][  T269]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.079722][  T269]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.079853][  T269]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.079983][  T269]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.080113][  T269]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.080245][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.080383][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.080521][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.080650][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.080780][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.080911][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.081040][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.081173][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.081302][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.081441][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.081571][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.081701][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.081831][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.081963][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.082093][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.082222][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.082357][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.082494][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.082625][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.082755][  T269]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.082887][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.083019][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.083149][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.083280][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.083421][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.083553][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.083683][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.083814][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.083946][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.084080][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.084209][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.084344][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.084515][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   20.084647][  T269]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.084777][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.084909][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   20.085038][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.085201][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.085346][  T269]  __sys_sendmsg (net/socket.c:2784)
[   20.085482][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.085610][  T269]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.085772][  T269]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.085903][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.086034][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.086164][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.086293][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.086432][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.086592][  T269] RIP: 0033:0x7ff6fb36908e
[   20.086728][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.087189][  T269] RSP: 002b:00007fff5d7b0ee0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.087390][  T269] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff6fb36908e
[   20.087588][  T269] RDX: 0000000000000000 RSI: 00007fff5d7b0f90 RDI: 0000000000000005
[   20.087784][  T269] RBP: 00007fff5d7b0ef0 R08: 0000000000000000 R09: 0000000000000000
[   20.087976][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.088171][  T269] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff5d7b1660
| [   20.098696][   T12] ------------[ cut here ]------------
| [   20.098870][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   20.099163][   T12] Modules linked in:
| [   20.099664][   T12] Tainted: [W]=WARN
[   20.099804][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.100005][   T12] Workqueue: netns cleanup_net
[   20.100181][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.100410][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.100903][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   20.101107][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ed2200 RCX: 1ff4000000018eaf
[   20.101345][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed22bc
[   20.101595][   T12] RBP: ff110000090d4000 R08: 1fe22000003da459 R09: ff11000001aed1d0
[   20.101825][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   20.102055][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   20.102287][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.102571][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.102772][   T12] CR2: 000055fd70cedb88 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   20.103002][   T12] PKRU: 55555554
[   20.103140][   T12] Call Trace:
[   20.103278][   T12]  <TASK>
[   20.103418][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.103596][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.103743][   T12]  netif_close_many (net/core/dev.c:1804)
[   20.103912][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.104081][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.104253][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.104445][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   20.104620][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   20.104830][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   20.105036][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   20.105208][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   20.105381][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   20.105572][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.105778][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.105950][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.106123][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.106297][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.106490][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.106664][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.106836][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.107004][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.107177][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.107354][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.107536][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.107713][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.107885][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.108059][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.108235][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.108423][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.108599][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.108776][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.108951][   T12]  kthread (kernel/kthread.c:436)
[   20.109091][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.109290][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.109484][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.109656][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.109855][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.110026][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.110201][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.113050][   T12] ------------[ cut here ]------------
| [   20.113189][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   20.113501][   T12] Modules linked in:
| [   20.113860][   T12] Tainted: [W]=WARN
[   20.113949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.114097][   T12] Workqueue: netns cleanup_net
[   20.114222][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.114379][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.114857][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   20.115005][   T12] RAX: 00000000ffffffa6 RBX: ff11000009ccc3c0 RCX: 1ff4000000018ed5
[   20.115180][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ccc47c
[   20.115364][   T12] RBP: ff110000090d4000 R08: 1fe2200001399891 R09: ff11000001aed1d0
[   20.115588][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.115764][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.115943][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   20.116152][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.116300][   T12] CR2: 000055f58cec13a8 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   20.116533][   T12] PKRU: 55555554
[   20.116622][   T12] Call Trace:
[   20.116711][   T12]  <TASK>
[   20.116778][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   20.116929][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   20.117078][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.117198][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   20.117319][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   20.117483][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   20.117601][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   20.117725][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   20.117846][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   20.117967][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.118087][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   20.118205][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   20.118323][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   20.118455][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.118572][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.118691][   T12]  process_one_work (kernel/workqueue.c:3314)
[   20.118813][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.118931][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.119052][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.119177][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.119296][   T12]  kthread (kernel/kthread.c:436)
[   20.119388][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.119541][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.119659][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.119777][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.119924][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.120042][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.120161][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.231011][  T276] ------------[ cut here ]------------
| [   20.231170][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/276
| [   20.231494][  T276] Modules linked in:
| [   20.231870][  T276] Tainted: [W]=WARN
[   20.231969][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.232133][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.232307][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.232792][  T276] RSP: 0018:ffa0000000c07a80 EFLAGS: 00010286
[   20.232958][  T276] RAX: 00000000ffffffa6 RBX: ff11000001ed2e40 RCX: 1ff4000000180f16
[   20.233154][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed2efc
[   20.233355][  T276] RBP: ff1100000967c000 R08: 1fe22000003da5e1 R09: ff11000008d10b80
[   20.233558][  T276] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.233753][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000967c000
[   20.233952][  T276] FS:  00007f8022086840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.234184][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.234354][  T276] CR2: 00007f80223ff493 CR3: 0000000009cb7002 CR4: 0000000000771ef0
[   20.234559][  T276] PKRU: 55555554
[   20.234661][  T276] Call Trace:
[   20.234759][  T276]  <TASK>
[   20.234829][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.234968][  T276]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.235107][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.235210][  T276]  register_netdevice (net/core/dev.c:11488)
[   20.235346][  T276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.235517][  T276]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.235649][  T276]  register_netdev (net/core/dev.c:11552)
[   20.235780][  T276]  loopback_net_init (drivers/net/loopback.c:218)
[   20.235914][  T276]  ops_init (net/core/net_namespace.c:137)
[   20.236015][  T276]  setup_net (net/core/net_namespace.c:446)
[   20.236116][  T276]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.236247][  T276]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.236383][  T276]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.236522][  T276]  copy_net_ns (net/core/net_namespace.c:579)
[   20.236655][  T276]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.236790][  T276]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.236923][  T276]  ksys_unshare (kernel/fork.c:3243)
[   20.237057][  T276]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.237189][  T276]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.237320][  T276]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.237471][  T276]  ? __ia32_sys_open (fs/open.c:1374)
[   20.237604][  T276]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.237735][  T276]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.237866][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.237999][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.238131][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.238264][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.238438][  T276] RIP: 0033:0x7f8022348bcb
[   20.238578][  T276] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.239052][  T276] RSP: 002b:00007ffe2eaf4ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.239258][  T276] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8022348bcb
[   20.239464][  T276] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.239660][  T276] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.239856][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2eaf7120
[   20.240052][  T276] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2eaf8881
| [   20.244325][  T276] ------------[ cut here ]------------
| [   20.244482][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/276
| [   20.244715][  T276] Modules linked in:
| [   20.245082][  T276] Tainted: [W]=WARN
[   20.245181][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.245350][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.245526][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.245995][  T276] RSP: 0018:ffa0000000c07918 EFLAGS: 00010286
[   20.246162][  T276] RAX: 00000000ffffffa6 RBX: ff1100000b83d380 RCX: 1ff4000000180ee9
[   20.246363][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b83d43c
[   20.246563][  T276] RBP: ff1100000f99c000 R08: 1fe2200001707a89 R09: ff11000008d10b80
[   20.246758][  T276] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.246957][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f99c000
[   20.247154][  T276] FS:  00007f8022086840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.247388][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.247566][  T276] CR2: 00007f80223ff493 CR3: 0000000009cb7002 CR4: 0000000000771ef0
[   20.247764][  T276] PKRU: 55555554
[   20.247864][  T276] Call Trace:
[   20.247962][  T276]  <TASK>
[   20.248030][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.248163][  T276]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.248296][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.248407][  T276]  register_netdevice (net/core/dev.c:11488)
[   20.248541][  T276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.248703][  T276]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.248839][  T276]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.248971][  T276]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   20.249102][  T276]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.249234][  T276]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.249370][  T276]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   20.249507][  T276]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   20.249643][  T276]  ops_init (net/core/net_namespace.c:137)
[   20.249750][  T276]  setup_net (net/core/net_namespace.c:446)
[   20.249850][  T276]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.249980][  T276]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.250110][  T276]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.250241][  T276]  copy_net_ns (net/core/net_namespace.c:579)
[   20.250382][  T276]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.250521][  T276]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.250655][  T276]  ksys_unshare (kernel/fork.c:3243)
[   20.250786][  T276]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.250918][  T276]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.251048][  T276]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.251180][  T276]  ? __ia32_sys_open (fs/open.c:1374)
[   20.251313][  T276]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.251452][  T276]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.251583][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.251715][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.251845][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.251975][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.252139][  T276] RIP: 0033:0x7f8022348bcb
[   20.252277][  T276] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.252751][  T276] RSP: 002b:00007ffe2eaf4ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.252949][  T276] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8022348bcb
[   20.253146][  T276] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.253345][  T276] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.253547][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2eaf7120
[   20.253742][  T276] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2eaf8881
| [   20.258018][  T276] ------------[ cut here ]------------
| [   20.258158][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/276
| [   20.258401][  T276] Modules linked in:
| [   20.258770][  T276] Tainted: [W]=WARN
[   20.258871][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.259037][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.259210][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.259723][  T276] RSP: 0018:ffa0000000c078f8 EFLAGS: 00010286
[   20.259892][  T276] RAX: 00000000ffffffa6 RBX: ff11000013232c80 RCX: 1ff4000000180ee5
[   20.260091][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013232d3c
[   20.260289][  T276] RBP: ff1100000977c000 R08: 1fe22000026465a9 R09: ff11000008d10b80
[   20.260497][  T276] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.260696][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000977c000
[   20.260896][  T276] FS:  00007f8022086840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.261128][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.261293][  T276] CR2: 00007f80223ff493 CR3: 0000000009cb7002 CR4: 0000000000771ef0
[   20.261508][  T276] PKRU: 55555554
[   20.261609][  T276] Call Trace:
[   20.261710][  T276]  <TASK>
[   20.261778][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.261912][  T276]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.262045][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.262147][  T276]  register_netdevice (net/core/dev.c:11488)
[   20.262280][  T276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.262476][  T276]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.262610][  T276]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   20.262744][  T276]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   20.262877][  T276]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   20.263011][  T276]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   20.263147][  T276]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   20.263282][  T276]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   20.263425][  T276]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.263562][  T276]  vti_init_net (net/ipv4/ip_vti.c:517)
[   20.263695][  T276]  ops_init (net/core/net_namespace.c:137)
[   20.263796][  T276]  setup_net (net/core/net_namespace.c:446)
[   20.263897][  T276]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.264029][  T276]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.264160][  T276]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.264294][  T276]  copy_net_ns (net/core/net_namespace.c:579)
[   20.264443][  T276]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.264579][  T276]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.264713][  T276]  ksys_unshare (kernel/fork.c:3243)
[   20.264846][  T276]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.264979][  T276]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.265111][  T276]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.265243][  T276]  ? __ia32_sys_open (fs/open.c:1374)
[   20.265387][  T276]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.265529][  T276]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.265662][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.265793][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.265928][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.266061][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.266223][  T276] RIP: 0033:0x7f8022348bcb
[   20.266368][  T276] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.266844][  T276] RSP: 002b:00007ffe2eaf4ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.267043][  T276] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8022348bcb
[   20.267241][  T276] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.267450][  T276] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.267645][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2eaf7120
[   20.267842][  T276] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2eaf8881
| [   20.271981][  T276] ------------[ cut here ]------------
| [   20.272115][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/276
| [   20.272342][  T276] Modules linked in:
| [   20.272711][  T276] Tainted: [W]=WARN
[   20.272809][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.273064][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.273234][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.273826][  T276] RSP: 0018:ffa0000000c07a78 EFLAGS: 00010286
[   20.273991][  T276] RAX: 00000000ffffffa6 RBX: ff110000132bc740 RCX: 1ff4000000180f15
[   20.274274][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132bc7fc
[   20.274476][  T276] RBP: ff1100000f0ec000 R08: 1fe2200002657901 R09: ff11000008d10b80
[   20.274672][  T276] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.274954][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f0ec000
[   20.275150][  T276] FS:  00007f8022086840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.275382][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.275553][  T276] CR2: 00007f80223ff493 CR3: 0000000009cb7002 CR4: 0000000000771ef0
[   20.275749][  T276] PKRU: 55555554
[   20.275846][  T276] Call Trace:
[   20.276030][  T276]  <TASK>
[   20.276098][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.276230][  T276]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.276366][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.276472][  T276]  register_netdevice (net/core/dev.c:11488)
[   20.276692][  T276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.276853][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.276985][  T276]  register_netdev (net/core/dev.c:11552)
[   20.277116][  T276]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   20.277340][  T276]  ops_init (net/core/net_namespace.c:137)
[   20.277444][  T276]  setup_net (net/core/net_namespace.c:446)
[   20.277544][  T276]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.277674][  T276]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.277890][  T276]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.278022][  T276]  copy_net_ns (net/core/net_namespace.c:579)
[   20.278153][  T276]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.278288][  T276]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.278430][  T276]  ksys_unshare (kernel/fork.c:3243)
[   20.278563][  T276]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.278693][  T276]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.278823][  T276]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.279041][  T276]  ? __ia32_sys_open (fs/open.c:1374)
[   20.279173][  T276]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.279305][  T276]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.279447][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.279664][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.279796][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.279926][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.280087][  T276] RIP: 0033:0x7f8022348bcb
[   20.280314][  T276] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.280876][  T276] RSP: 002b:00007ffe2eaf4ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.281074][  T276] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8022348bcb
[   20.281269][  T276] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.281472][  T276] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.281669][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2eaf7120
[   20.281861][  T276] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2eaf8881
| [   20.288259][  T276] ------------[ cut here ]------------
| [   20.288410][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/276
| [   20.288637][  T276] Modules linked in:
| [   20.289006][  T276] Tainted: [W]=WARN
[   20.289106][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.289269][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.289450][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.289912][  T276] RSP: 0018:ffa0000000c07a68 EFLAGS: 00010286
[   20.290078][  T276] RAX: 00000000ffffffa6 RBX: ff1100000b83c580 RCX: 1ff4000000180f13
[   20.290275][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b83c63c
[   20.290479][  T276] RBP: ff11000009c99000 R08: 1fe22000017078c9 R09: ff11000008d10b80
[   20.290673][  T276] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.290865][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009c99000
[   20.291063][  T276] FS:  00007f8022086840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.291290][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.291461][  T276] CR2: 00007f80223ff493 CR3: 0000000009cb7002 CR4: 0000000000771ef0
[   20.291656][  T276] PKRU: 55555554
[   20.291752][  T276] Call Trace:
[   20.291851][  T276]  <TASK>
[   20.291918][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.292049][  T276]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.292182][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.292282][  T276]  register_netdevice (net/core/dev.c:11488)
[   20.292423][  T276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.292588][  T276]  register_netdev (net/core/dev.c:11552)
[   20.292720][  T276]  sit_init_net (net/ipv6/sit.c:1860)
[   20.292857][  T276]  ops_init (net/core/net_namespace.c:137)
[   20.292959][  T276]  setup_net (net/core/net_namespace.c:446)
[   20.293058][  T276]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.293188][  T276]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.293328][  T276]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.293472][  T276]  copy_net_ns (net/core/net_namespace.c:579)
[   20.293605][  T276]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.293741][  T276]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.293874][  T276]  ksys_unshare (kernel/fork.c:3243)
[   20.294004][  T276]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.294135][  T276]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.294265][  T276]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.294407][  T276]  ? __ia32_sys_open (fs/open.c:1374)
[   20.294540][  T276]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.294671][  T276]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.294799][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.294928][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.295060][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.295190][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.295354][  T276] RIP: 0033:0x7f8022348bcb
[   20.295553][  T276] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.296017][  T276] RSP: 002b:00007ffe2eaf4ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.296212][  T276] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8022348bcb
[   20.296467][  T276] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.296662][  T276] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.296856][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2eaf7120
[   20.297049][  T276] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2eaf8881
| [   20.307228][  T276] ------------[ cut here ]------------
| [   20.307428][  T276] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/276
| [   20.307701][  T276] Modules linked in:
| [   20.308166][  T276] Tainted: [W]=WARN
[   20.308313][  T276] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.308543][  T276] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.308762][  T276] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.309276][  T276] RSP: 0018:ffa0000000c07a78 EFLAGS: 00010286
[   20.309512][  T276] RAX: 00000000ffffffa6 RBX: ff1100000c13f380 RCX: 1ff4000000180f15
[   20.309754][  T276] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13f43c
[   20.309994][  T276] RBP: ff110000129fc000 R08: 1fe2200001827e89 R09: ff11000008d10b80
[   20.310239][  T276] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   20.310503][  T276] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000129fc000
[   20.310748][  T276] FS:  00007f8022086840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.311023][  T276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.311239][  T276] CR2: 0000556086057d5c CR3: 0000000009cb7003 CR4: 0000000000771ef0
[   20.311504][  T276] PKRU: 55555554
[   20.311650][  T276] Call Trace:
[   20.311795][  T276]  <TASK>
[   20.311910][  T276]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.312090][  T276]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.312268][  T276]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.312432][  T276]  register_netdevice (net/core/dev.c:11488)
[   20.312618][  T276]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   20.312829][  T276]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.313012][  T276]  register_netdev (net/core/dev.c:11552)
[   20.313189][  T276]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   20.313377][  T276]  ops_init (net/core/net_namespace.c:137)
[   20.313538][  T276]  setup_net (net/core/net_namespace.c:446)
[   20.313686][  T276]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   20.313866][  T276]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   20.314044][  T276]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   20.314223][  T276]  copy_net_ns (net/core/net_namespace.c:579)
[   20.314425][  T276]  create_new_namespaces (kernel/nsproxy.c:132)
[   20.314610][  T276]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   20.314789][  T276]  ksys_unshare (kernel/fork.c:3243)
[   20.314967][  T276]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.315149][  T276]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   20.315328][  T276]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   20.315532][  T276]  ? __ia32_sys_open (fs/open.c:1374)
[   20.315713][  T276]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   20.315890][  T276]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   20.316067][  T276]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.316244][  T276]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.316445][  T276]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.316631][  T276]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.316839][  T276] RIP: 0033:0x7f8022348bcb
[   20.317023][  T276] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   20.317555][  T276] RSP: 002b:00007ffe2eaf4ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   20.317803][  T276] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8022348bcb
[   20.318044][  T276] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   20.318282][  T276] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   20.318540][  T276] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe2eaf7120
[   20.318785][  T276] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe2eaf8881
| [   20.348654][  T277] ------------[ cut here ]------------
| [   20.348800][  T277] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/277
| [   20.349025][  T277] Modules linked in:
| [   20.349424][  T277] Tainted: [W]=WARN
[   20.349522][  T277] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.349683][  T277] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.349852][  T277] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.350313][  T277] RSP: 0018:ffa0000000c07020 EFLAGS: 00010286
[   20.350485][  T277] RAX: 00000000ffffffa6 RBX: ff11000013236c80 RCX: 1ff4000000180dca
[   20.350681][  T277] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013236d3c
[   20.350876][  T277] RBP: ff1100000967c000 R08: 1fe2200002646da9 R09: ff1100000907d158
[   20.351068][  T277] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   20.351260][  T277] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.351466][  T277] FS:  00007f5295431840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   20.351691][  T277] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.351852][  T277] CR2: 00007f52957011a0 CR3: 000000000bb5e005 CR4: 0000000000771ef0
[   20.352048][  T277] PKRU: 55555554
[   20.352146][  T277] Call Trace:
[   20.352242][  T277]  <TASK>
[   20.352308][  T277]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.352450][  T277]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.352548][  T277]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.352678][  T277]  __dev_notify_flags (net/core/dev.c:9787)
[   20.352810][  T277]  ? netif_change_name (net/core/dev.c:1495)
[   20.352939][  T277]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.353069][  T277]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.353199][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.353328][  T277]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.353473][  T277]  netif_change_flags (net/core/dev.c:9820)
[   20.353606][  T277]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.353736][  T277]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.353867][  T277]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.353997][  T277]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.354159][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.354287][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.354429][  T277]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.354557][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.354688][  T277]  ? __kernel_text_address (kernel/extable.c:79)
[   20.354819][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.354950][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.355079][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.355209][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.355346][  T277]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.355822][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.355952][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.356080][  T277]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.356208][  T277]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.356344][  T277]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.356478][  T277]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.356609][  T277]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.356741][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.356875][  T277]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.357006][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.357135][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.357265][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.357405][  T277]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.357534][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.357664][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.357795][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.357924][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.358053][  T277]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.358183][  T277]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.358311][  T277]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.358450][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.358580][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.358712][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.358843][  T277]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.358970][  T277]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.359100][  T277]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.359229][  T277]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.359366][  T277]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.359505][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.359653][  T277]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.359784][  T277]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.359914][  T277]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.360043][  T277]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.360176][  T277]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.360307][  T277]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.360452][  T277]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.360583][  T277]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.360715][  T277]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.360849][  T277]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.361011][  T277]  ? move_addr_to_kernel (net/socket.c:258)
[   20.361141][  T277]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.361271][  T277]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.361411][  T277]  ___sys_sendmsg (net/socket.c:2752)
[   20.361542][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.361703][  T277]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.361845][  T277]  __sys_sendmsg (net/socket.c:2784)
[   20.361976][  T277]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.362107][  T277]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.362270][  T277]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.362409][  T277]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.362542][  T277]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.362672][  T277]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.362803][  T277]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.362932][  T277]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.363093][  T277] RIP: 0033:0x7f529566b08e
[   20.363229][  T277] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.363705][  T277] RSP: 002b:00007fff95a7e970 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.363902][  T277] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f529566b08e
[   20.364096][  T277] RDX: 0000000000000000 RSI: 00007fff95a7ea20 RDI: 0000000000000005
[   20.364292][  T277] RBP: 00007fff95a7e980 R08: 0000000000000000 R09: 0000000000000000
[   20.364500][  T277] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.364695][  T277] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff95a7f0f0
| [   20.391906][  T278] ------------[ cut here ]------------
| [   20.392056][  T278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/278
| [   20.392294][  T278] Modules linked in:
| [   20.392775][  T278] Tainted: [W]=WARN
[   20.392877][  T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.393046][  T278] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.393220][  T278] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.393714][  T278] RSP: 0018:ffa0000000c16e30 EFLAGS: 00010286
[   20.393884][  T278] RAX: 00000000ffffffa6 RBX: ff1100000da7e900 RCX: 1ff4000000182d8c
[   20.394085][  T278] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000da7e9bc
[   20.394287][  T278] RBP: ff11000012a31000 R08: 1fe2200001b4fd39 R09: ff1100000e5c8b80
[   20.394499][  T278] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.394700][  T278] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013515000
[   20.394904][  T278] FS:  00007f547eaa9840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.395140][  T278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.395308][  T278] CR2: 00000000004a77b8 CR3: 0000000004c63004 CR4: 0000000000771ef0
[   20.395523][  T278] PKRU: 55555554
[   20.395626][  T278] Call Trace:
[   20.395726][  T278]  <TASK>
[   20.395797][  T278]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.395937][  T278]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.396039][  T278]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   20.396210][  T278]  __dev_notify_flags (net/core/dev.c:9787)
[   20.396353][  T278]  ? netif_change_name (net/core/dev.c:1495)
[   20.396493][  T278]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.396627][  T278]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.396760][  T278]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.396894][  T278]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   20.397029][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.397167][  T278]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.397303][  T278]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.397451][  T278]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   20.397586][  T278]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   20.397722][  T278]  veth_newlink (drivers/net/veth.c:1871)
[   20.397857][  T278]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   20.397989][  T278]  ? kasan_save_stack (mm/kasan/common.c:57)
[   20.398126][  T278]  ? kasan_save_track (mm/kasan/common.c:78)
[   20.398260][  T278]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   20.398421][  T278]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   20.398556][  T278]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   20.398692][  T278]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   20.398825][  T278]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.398959][  T278]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   20.399097][  T278]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   20.399231][  T278]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.399372][  T278]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.399511][  T278]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.399646][  T278]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.399780][  T278]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.399918][  T278]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.400053][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.400186][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.400321][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.400467][  T278]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.400601][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.400740][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.400875][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.401008][  T278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.401142][  T278]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.401275][  T278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.401422][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.401558][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.401692][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.401826][  T278]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.401961][  T278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.402097][  T278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.402236][  T278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.402375][  T278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.402515][  T278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.402650][  T278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.402785][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.402920][  T278]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.403055][  T278]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.403188][  T278]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.403325][  T278]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.403472][  T278]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.403605][  T278]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.403770][  T278]  ? move_addr_to_kernel (net/socket.c:258)
[   20.403924][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.404058][  T278]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   20.404193][  T278]  ___sys_sendmsg (net/socket.c:2752)
[   20.404328][  T278]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   20.404473][  T278]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.404611][  T278]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   20.404750][  T278]  ? 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))
[   20.404886][  T278]  __sys_sendmsg (net/socket.c:2784)
[   20.405022][  T278]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.405162][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.405298][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.405444][  T278]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.405577][  T278]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.405710][  T278]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.405844][  T278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.406011][  T278] RIP: 0033:0x7f547ece308e
[   20.406151][  T278] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.406641][  T278] RSP: 002b:00007fffa5dbd0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.406844][  T278] RAX: ffffffffffffffda RBX: 00007fffa5dbd840 RCX: 00007f547ece308e
[   20.407042][  T278] RDX: 0000000000000000 RSI: 00007fffa5dbd160 RDI: 0000000000000005
[   20.407244][  T278] RBP: 00007fffa5dbd0c0 R08: 0000000000000000 R09: 0000000000000000
[   20.407457][  T278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.407660][  T278] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5dbd820
| [   20.415630][  T278] ------------[ cut here ]------------
| [   20.415773][  T278] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/278
| [   20.416005][  T278] Modules linked in:
| [   20.416387][  T278] Tainted: [W]=WARN
[   20.417053][  T278] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.417281][  T278] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.417524][  T278] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.418000][  T278] RSP: 0018:ffa0000000c171b0 EFLAGS: 00010286
[   20.418166][  T278] RAX: 00000000ffffffa6 RBX: ff1100000d3b1a80 RCX: 1ff4000000182dfc
[   20.418372][  T278] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d3b1b3c
[   20.418625][  T278] RBP: ff11000012b8c000 R08: 1fe2200001a76369 R09: ff1100000e5c8b80
[   20.418824][  T278] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   20.419024][  T278] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff99403b20
[   20.419225][  T278] FS:  00007f547eaa9840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.419521][  T278] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.419687][  T278] CR2: 00000000004a77b8 CR3: 0000000004c63004 CR4: 0000000000771ef0
[   20.419888][  T278] PKRU: 55555554
[   20.419988][  T278] Call Trace:
[   20.420087][  T278]  <TASK>
[   20.420156][  T278]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.420291][  T278]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.420453][  T278]  __dev_notify_flags (net/core/dev.c:9787)
[   20.420588][  T278]  ? netif_change_name (net/core/dev.c:1495)
[   20.420723][  T278]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   20.420859][  T278]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   20.420995][  T278]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   20.421130][  T278]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   20.421265][  T278]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   20.421463][  T278]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.421597][  T278]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.421733][  T278]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.421870][  T278]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   20.422007][  T278]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.422143][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.422275][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.422469][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.422602][  T278]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.422735][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.422872][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.423008][  T278]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.423141][  T278]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.423274][  T278]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.423475][  T278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.423609][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.423743][  T278]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.423876][  T278]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.424010][  T278]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.424142][  T278]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.424275][  T278]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.424476][  T278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.424664][  T278]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.424799][  T278]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.424933][  T278]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.425068][  T278]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.425204][  T278]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.425343][  T278]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.425536][  T278]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.425672][  T278]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.425804][  T278]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.425952][  T278]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.426116][  T278]  ? move_addr_to_kernel (net/socket.c:258)
[   20.426252][  T278]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.426391][  T278]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   20.426585][  T278]  ___sys_sendmsg (net/socket.c:2752)
[   20.426717][  T278]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   20.426850][  T278]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.426987][  T278]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   20.427126][  T278]  ? 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))
[   20.427266][  T278]  __sys_sendmsg (net/socket.c:2784)
[   20.427462][  T278]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.427601][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.427734][  T278]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.427869][  T278]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.428002][  T278]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.428136][  T278]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.428269][  T278]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.428496][  T278] RIP: 0033:0x7f547ece308e
[   20.428635][  T278] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.429110][  T278] RSP: 002b:00007fffa5dbd0b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.429309][  T278] RAX: ffffffffffffffda RBX: 00007fffa5dbd840 RCX: 00007f547ece308e
[   20.429574][  T278] RDX: 0000000000000000 RSI: 00007fffa5dbd160 RDI: 0000000000000005
[   20.429773][  T278] RBP: 00007fffa5dbd0c0 R08: 0000000000000000 R09: 0000000000000000
[   20.429972][  T278] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.430173][  T278] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa5dbd820
| [   20.463046][  T279] ------------[ cut here ]------------
| [   20.463192][  T279] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/279
| [   20.463432][  T279] Modules linked in:
| [   20.463799][  T279] Tainted: [W]=WARN
[   20.463906][  T279] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.464069][  T279] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.464239][  T279] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.464717][  T279] RSP: 0018:ffa0000000c27020 EFLAGS: 00010286
[   20.464880][  T279] RAX: 00000000ffffffa6 RBX: ff1100000c16de00 RCX: 1ff4000000184dca
[   20.465074][  T279] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c16debc
[   20.465268][  T279] RBP: ff11000012a31000 R08: 1fe220000182dbd9 R09: ff1100000e5cd158
[   20.465472][  T279] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   20.465667][  T279] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.465861][  T279] FS:  00007fe6eeffe840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   20.466089][  T279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.466251][  T279] CR2: 000000000d5e7988 CR3: 000000000984d004 CR4: 0000000000771ef0
[   20.466458][  T279] PKRU: 55555554
[   20.466555][  T279] Call Trace:
[   20.466652][  T279]  <TASK>
[   20.466720][  T279]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.466852][  T279]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.466952][  T279]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.467082][  T279]  __dev_notify_flags (net/core/dev.c:9787)
[   20.467213][  T279]  ? netif_change_name (net/core/dev.c:1495)
[   20.467348][  T279]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.467487][  T279]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.467615][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.467744][  T279]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.467877][  T279]  netif_change_flags (net/core/dev.c:9820)
[   20.468010][  T279]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.468141][  T279]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.468274][  T279]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.468415][  T279]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.468577][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.468706][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.468836][  T279]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.468965][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.469096][  T279]  ? __kernel_text_address (kernel/extable.c:79)
[   20.469228][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.469366][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.469502][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.469633][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.469762][  T279]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.469891][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.470020][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.470150][  T279]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.470279][  T279]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.470420][  T279]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.470551][  T279]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.470682][  T279]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.470815][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.470948][  T279]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.471080][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.471210][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.471344][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.471480][  T279]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.471609][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.471741][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.471869][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.471998][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.472127][  T279]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.472261][  T279]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.472402][  T279]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.472532][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.472661][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.472791][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.472923][  T279]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.473052][  T279]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.473184][  T279]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.473313][  T279]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.473453][  T279]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.473588][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.473717][  T279]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.473849][  T279]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.473979][  T279]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.474111][  T279]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.474243][  T279]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.474378][  T279]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.474516][  T279]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.474648][  T279]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.474778][  T279]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.474907][  T279]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.475068][  T279]  ? move_addr_to_kernel (net/socket.c:258)
[   20.475204][  T279]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.475334][  T279]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.475474][  T279]  ___sys_sendmsg (net/socket.c:2752)
[   20.475603][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.475763][  T279]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.475905][  T279]  __sys_sendmsg (net/socket.c:2784)
[   20.476036][  T279]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.476169][  T279]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.476333][  T279]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.476476][  T279]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.476608][  T279]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.476740][  T279]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.476869][  T279]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.477000][  T279]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.477162][  T279] RIP: 0033:0x7fe6ef23808e
[   20.477301][  T279] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.477780][  T279] RSP: 002b:00007ffd29a37460 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.477975][  T279] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fe6ef23808e
[   20.478173][  T279] RDX: 0000000000000000 RSI: 00007ffd29a37510 RDI: 0000000000000005
[   20.478373][  T279] RBP: 00007ffd29a37470 R08: 0000000000000000 R09: 0000000000000000
[   20.478572][  T279] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.478766][  T279] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd29a37bd0
| [   20.565648][  T282] ------------[ cut here ]------------
| [   20.565803][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/282
| [   20.566024][  T282] Modules linked in:
| [   20.566382][  T282] Tainted: [W]=WARN
[   20.566485][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.566647][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.566811][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.567258][  T282] RSP: 0018:ffa0000000c56ff8 EFLAGS: 00010286
[   20.567430][  T282] RAX: 00000000ffffffa6 RBX: ff11000012b391c0 RCX: 1ff400000018adc5
[   20.567625][  T282] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012b3927c
[   20.567814][  T282] RBP: ff11000012b8c000 R08: 1fe2200002567251 R09: ff1100000fa95158
[   20.568002][  T282] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.568191][  T282] R13: 0000000000000000 R14: ffa0000000c57140 R15: ff1100000f1851d0
[   20.568385][  T282] FS:  00007f199244e840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   20.568610][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.568769][  T282] CR2: 00007f9c504a3f98 CR3: 000000000ba0f006 CR4: 0000000000771ef0
[   20.568959][  T282] PKRU: 55555554
[   20.569053][  T282] Call Trace:
[   20.569150][  T282]  <TASK>
[   20.569215][  T282]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   20.569350][  T282]  __dev_change_net_namespace (net/core/dev.c:12635)
[   20.569517][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.569644][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.569771][  T282]  ? default_device_exit_batch (net/core/dev.c:13091)
[   20.569928][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.570056][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.570183][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.570309][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.570448][  T282]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   20.570573][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   20.570700][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   20.570833][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.570963][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.571121][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.571247][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.571377][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.571508][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.571635][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   20.571762][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.571892][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.572016][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.572142][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.572266][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.572401][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.572527][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.572652][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.572778][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.572904][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.573028][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.573157][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.573284][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.573423][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.573552][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.573679][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.573807][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.573931][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.574055][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.574181][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.574309][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.574450][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.574576][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.574702][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.574830][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.574961][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.575087][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.575218][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.575349][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.575500][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.575625][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.575751][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.575878][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.576004][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.576133][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.576258][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.576391][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.576525][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.576652][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.576780][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.576907][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.577034][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.577163][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.577289][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.577426][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.577583][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   20.577713][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.577839][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.577967][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   20.578093][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.578250][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.578399][  T282]  __sys_sendmsg (net/socket.c:2784)
[   20.578527][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.578653][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.578814][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.578941][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.579068][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.579195][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.579320][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.579459][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.579615][  T282] RIP: 0033:0x7f199268808e
[   20.579751][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.580202][  T282] RSP: 002b:00007ffecabc3530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.580405][  T282] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f199268808e
[   20.580598][  T282] RDX: 0000000000000000 RSI: 00007ffecabc35e0 RDI: 0000000000000005
[   20.580786][  T282] RBP: 00007ffecabc3540 R08: 0000000000000000 R09: 0000000000000000
[   20.580976][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.581167][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecabc3ca0
| [   20.583618][  T282] ------------[ cut here ]------------
| [   20.583748][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/282
| [   20.583969][  T282] Modules linked in:
| [   20.584329][  T282] Tainted: [W]=WARN
[   20.584438][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.584598][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.584764][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.585221][  T282] RSP: 0018:ffa0000000c56fc0 EFLAGS: 00010286
[   20.585384][  T282] RAX: 00000000ffffffa6 RBX: ff11000012b38580 RCX: 1ff400000018adbe
[   20.585581][  T282] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012b3863c
[   20.585774][  T282] RBP: ff11000012b8c000 R08: 1fe22000025670c9 R09: ff1100000fa95158
[   20.585966][  T282] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   20.586157][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f1851d0
[   20.586350][  T282] FS:  00007f199244e840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   20.586580][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.586743][  T282] CR2: 00007f9c504a3f98 CR3: 000000000ba0f006 CR4: 0000000000771ef0
[   20.586937][  T282] PKRU: 55555554
[   20.587033][  T282] Call Trace:
[   20.587128][  T282]  <TASK>
[   20.587194][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.587323][  T282]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.587467][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.587567][  T282]  __dev_change_net_namespace (net/core/dev.c:12695)
[   20.587727][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.587855][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.587985][  T282]  ? default_device_exit_batch (net/core/dev.c:13091)
[   20.588145][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.588273][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.588413][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.588544][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.588674][  T282]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   20.588804][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   20.588934][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   20.589065][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.589196][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.589364][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.589499][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.589628][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.589757][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.589885][  T282]  ? __kernel_text_address (kernel/extable.c:79)
[   20.590014][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.590144][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.590275][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.590413][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.590540][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.590668][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.590797][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.590924][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.591053][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.591182][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.591310][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.591451][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.591580][  T282]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.591712][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.591844][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.591975][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.592104][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.592234][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.592368][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.592504][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.592636][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.592765][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.592893][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.593022][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.593152][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.593281][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.593419][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.593548][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.593676][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.593833][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.593962][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.594094][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.594226][  T282]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.594361][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.594499][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.594627][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.594757][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.594888][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.595017][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.595148][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.595280][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.595421][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.595550][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.595679][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.595808][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.595967][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   20.596098][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.596228][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.596361][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   20.596495][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.596654][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.596795][  T282]  __sys_sendmsg (net/socket.c:2784)
[   20.596924][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.597051][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.597215][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.597350][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.597485][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.597613][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.597741][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.597872][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.598032][  T282] RIP: 0033:0x7f199268808e
[   20.598165][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.598637][  T282] RSP: 002b:00007ffecabc3530 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.598832][  T282] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f199268808e
[   20.599024][  T282] RDX: 0000000000000000 RSI: 00007ffecabc35e0 RDI: 0000000000000005
[   20.599215][  T282] RBP: 00007ffecabc3540 R08: 0000000000000000 R09: 0000000000000000
[   20.599418][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.599608][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffecabc3ca0
| [   20.674875][  T285] ------------[ cut here ]------------
| [   20.675021][  T285] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/285
| [   20.675248][  T285] Modules linked in:
| [   20.675931][  T285] Tainted: [W]=WARN
[   20.676030][  T285] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.676193][  T285] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.676369][  T285] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.676918][  T285] RSP: 0018:ffa0000000c87020 EFLAGS: 00010286
[   20.677080][  T285] RAX: 00000000ffffffa6 RBX: ff1100001306f8c0 RCX: 1ff4000000190dca
[   20.677273][  T285] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001306f97c
[   20.677547][  T285] RBP: ff11000012b8c000 R08: 1fe220000260df31 R09: ff1100000f932e58
[   20.677739][  T285] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   20.677930][  T285] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   20.678201][  T285] FS:  00007f087a327840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   20.678531][  T285] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.678693][  T285] CR2: 000000001cb4c988 CR3: 000000001033f001 CR4: 0000000000771ef0
[   20.678886][  T285] PKRU: 55555554
[   20.678982][  T285] Call Trace:
[   20.679079][  T285]  <TASK>
[   20.679145][  T285]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.679276][  T285]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.679380][  T285]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   20.679594][  T285]  __dev_notify_flags (net/core/dev.c:9787)
[   20.679725][  T285]  ? netif_change_name (net/core/dev.c:1495)
[   20.679855][  T285]  ? __dev_change_flags (net/core/dev.c:9752)
[   20.679985][  T285]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   20.680115][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.680260][  T285]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   20.680402][  T285]  netif_change_flags (net/core/dev.c:9820)
[   20.680533][  T285]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   20.680663][  T285]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   20.680796][  T285]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.680927][  T285]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.681088][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.681217][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.681351][  T285]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.681486][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.681615][  T285]  ? __kernel_text_address (kernel/extable.c:79)
[   20.681745][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.681876][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.682005][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.682136][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.682267][  T285]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.682405][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.682534][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.682663][  T285]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.682793][  T285]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.682922][  T285]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.683051][  T285]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.683182][  T285]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.683315][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.683456][  T285]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.683586][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.683714][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.683843][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.683972][  T285]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.684101][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.684232][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.684366][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.684501][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.684631][  T285]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.684761][  T285]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.684891][  T285]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.685020][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.685149][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.685278][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.685419][  T285]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.685547][  T285]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.685677][  T285]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.685808][  T285]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.685938][  T285]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.686071][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.686200][  T285]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.686332][  T285]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.686472][  T285]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.686602][  T285]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.686731][  T285]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.686862][  T285]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.686992][  T285]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.687123][  T285]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.687252][  T285]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.687386][  T285]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.687550][  T285]  ? move_addr_to_kernel (net/socket.c:258)
[   20.687681][  T285]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.687810][  T285]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.687940][  T285]  ___sys_sendmsg (net/socket.c:2752)
[   20.688068][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.688230][  T285]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.688377][  T285]  __sys_sendmsg (net/socket.c:2784)
[   20.688513][  T285]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.688642][  T285]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.688804][  T285]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.688933][  T285]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.689064][  T285]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.689192][  T285]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.689324][  T285]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.689463][  T285]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.689622][  T285] RIP: 0033:0x7f087a56108e
[   20.689757][  T285] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.690217][  T285] RSP: 002b:00007ffcc1be9990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.690420][  T285] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f087a56108e
[   20.690612][  T285] RDX: 0000000000000000 RSI: 00007ffcc1be9a40 RDI: 0000000000000005
[   20.690806][  T285] RBP: 00007ffcc1be99a0 R08: 0000000000000000 R09: 0000000000000000
[   20.690999][  T285] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b7
[   20.691191][  T285] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc1bea110
| [   20.693666][   T39] ------------[ cut here ]------------
| [   20.693831][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   20.694112][   T39] Modules linked in:
| [   20.694591][   T39] Tainted: [W]=WARN
[   20.694730][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.694924][   T39] Workqueue: events_unbound linkwatch_event
[   20.695124][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.695325][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.695833][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   20.696027][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c13e580 RCX: 1ff4000000057f02
[   20.696250][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13e63c
[   20.696495][   T39] RBP: ff11000012b8c000 R08: 1fe2200001827cc9 R09: ff11000001da51a8
[   20.696717][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   20.696943][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.697168][   T39] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.697443][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.697639][   T39] CR2: 0000556086057d5c CR3: 0000000004cf4002 CR4: 0000000000771ef0
[   20.697865][   T39] PKRU: 55555554
[   20.698013][   T39] Call Trace:
[   20.698148][   T39]  <TASK>
[   20.698257][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.698446][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.698616][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.698755][   T39]  netif_state_change (net/core/dev.c:1605)
[   20.698924][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.699122][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   20.699287][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.699476][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.699646][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.699811][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   20.699976][   T39]  process_one_work (kernel/workqueue.c:3314)
[   20.700148][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.700316][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.700508][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.700678][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.700843][   T39]  kthread (kernel/kthread.c:436)
[   20.700980][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.701173][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.701348][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.701533][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.701728][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.701895][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.702060][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.704358][   T39] ------------[ cut here ]------------
| [   20.704540][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   20.704825][   T39] Modules linked in:
| [   20.705280][   T39] Tainted: [W]=WARN
[   20.705466][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.705660][   T39] Workqueue: events_unbound linkwatch_event
[   20.705868][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.706069][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.706584][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   20.706777][   T39] RAX: 00000000ffffffa6 RBX: ff1100000c13f700 RCX: 1ff4000000057f02
[   20.706997][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13f7bc
[   20.707218][   T39] RBP: ff11000012a31000 R08: 1fe2200001827ef9 R09: ff11000001da51a8
[   20.707464][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   20.707686][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   20.707910][   T39] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   20.708171][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.708374][   T39] CR2: 0000556086057d5c CR3: 0000000004cf4002 CR4: 0000000000771ef0
[   20.708611][   T39] PKRU: 55555554
[   20.708746][   T39] Call Trace:
[   20.708880][   T39]  <TASK>
[   20.708988][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.709153][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.709319][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.709476][   T39]  netif_state_change (net/core/dev.c:1605)
[   20.709646][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.709842][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   20.710008][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   20.710174][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.710348][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   20.710528][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   20.710695][   T39]  process_one_work (kernel/workqueue.c:3314)
[   20.710870][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   20.711035][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.711234][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   20.711431][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   20.711599][   T39]  kthread (kernel/kthread.c:436)
[   20.711737][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   20.711931][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.712099][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   20.712267][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   20.712484][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   20.712653][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   20.712818][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   20.764965][  T286] ------------[ cut here ]------------
| [   20.765117][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/286
| [   20.765355][  T286] Modules linked in:
| [   20.766042][  T286] Tainted: [W]=WARN
[   20.766145][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.766312][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.766497][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.766977][  T286] RSP: 0018:ffa0000000bb6e90 EFLAGS: 00010286
[   20.767148][  T286] RAX: 00000000ffffffa6 RBX: ff11000013077c40 RCX: 1ff4000000176d98
[   20.767351][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013077cfc
[   20.767561][  T286] RBP: ff11000012a31000 R08: 1fe220000260efa1 R09: ff1100000f828b58
[   20.767761][  T286] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   20.767963][  T286] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[   20.768166][  T286] FS:  00007f6d4ee71840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   20.768412][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.768582][  T286] CR2: 00007f6d4f1411a0 CR3: 000000000c577005 CR4: 0000000000771ef0
[   20.768786][  T286] PKRU: 55555554
[   20.768887][  T286] Call Trace:
[   20.768987][  T286]  <TASK>
[   20.769057][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.769192][  T286]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   20.769329][  T286]  notifier_call_chain (kernel/notifier.c:85)
[   20.769476][  T286]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   20.769614][  T286]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   20.769783][  T286]  veth_xdp_set (drivers/net/veth.c:1638)
[   20.769921][  T286]  ? veth_xdp_set (drivers/net/veth.c:1608 (discriminator 2))
[   20.770055][  T286]  dev_xdp_install (net/core/dev.c:10348)
[   20.770191][  T286]  ? netif_set_xps_queue (net/core/dev.c:3063)
[   20.770330][  T286]  dev_xdp_attach (net/core/dev.c:10504)
[   20.770478][  T286]  ? __bpf_prog_get (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:2013 kernel/bpf/syscall.c:2550 kernel/bpf/syscall.c:2598)
[   20.770613][  T286]  ? bpf_xdp_link_update (./include/net/netdev_lock.h:33)
[   20.770747][  T286]  ? __bpf_prog_get (kernel/bpf/syscall.c:2550)
[   20.770883][  T286]  dev_change_xdp_fd (net/core/dev.c:10759)
[   20.771018][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3440 (discriminator 1))
[   20.771155][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.771290][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.771472][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.771606][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.771741][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.771875][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.772009][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   20.772144][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.772285][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.772429][  T286]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.772564][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.772698][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.772832][  T286]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.772967][  T286]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.773102][  T286]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.773238][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.773381][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.773521][  T286]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.773659][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.773797][  T286]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.773934][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.774069][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.774203][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.774342][  T286]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.774484][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.774621][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.774756][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.774891][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.775027][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.775163][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.775298][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.775443][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.775577][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.775713][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.775851][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.775986][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.776123][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.776257][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.776402][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.776542][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.776676][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.776813][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.776949][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.777084][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.777220][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.777361][  T286]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.777503][  T286]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.777642][  T286]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.777777][  T286]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.777911][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.778080][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   20.778216][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.778354][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.778498][  T286]  ___sys_sendmsg (net/socket.c:2752)
[   20.778633][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.778799][  T286]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.778947][  T286]  __sys_sendmsg (net/socket.c:2784)
[   20.779083][  T286]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.779217][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.779392][  T286]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.779535][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.779673][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.779808][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.779942][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.780078][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.780245][  T286] RIP: 0033:0x7f6d4f0ab08e
[   20.780390][  T286] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.780878][  T286] RSP: 002b:00007ffd1afc7300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.781082][  T286] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6d4f0ab08e
[   20.781284][  T286] RDX: 0000000000000000 RSI: 00007ffd1afc73b0 RDI: 0000000000000005
[   20.781497][  T286] RBP: 00007ffd1afc7310 R08: 0000000000000000 R09: 0000000000000000
[   20.781698][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b8
[   20.781898][  T286] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1afc7a80
| [   20.798485][  T286] ------------[ cut here ]------------
| [   20.798619][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/286
| [   20.798841][  T286] Modules linked in:
| [   20.799197][  T286] Tainted: [W]=WARN
[   20.799293][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   20.799514][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   20.799681][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   20.800137][  T286] RSP: 0018:ffa0000000bb70a0 EFLAGS: 00010286
[   20.800297][  T286] RAX: 00000000ffffffa6 RBX: ff11000013189e00 RCX: 1ff4000000176dda
[   20.800500][  T286] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013189ebc
[   20.800692][  T286] RBP: ff11000012b8c000 R08: 1fe22000026313d9 R09: ff1100000f828b58
[   20.800883][  T286] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   20.801076][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000130d66e4
[   20.801268][  T286] FS:  00007f6d4ee71840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   20.801516][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   20.801676][  T286] CR2: 00007f6d4f1411a0 CR3: 000000000c577005 CR4: 0000000000771ef0
[   20.801869][  T286] PKRU: 55555554
[   20.801965][  T286] Call Trace:
[   20.802060][  T286]  <TASK>
[   20.802127][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   20.802258][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   20.802389][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   20.802494][  T286]  netif_state_change (net/core/dev.c:1605)
[   20.802624][  T286]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   20.802785][  T286]  ? dev_change_xdp_fd (net/core/dev.c:10759)
[   20.802914][  T286]  do_setlink.isra.0 (net/core/rtnetlink.c:3453)
[   20.803045][  T286]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   20.803177][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   20.803339][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   20.803474][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.803606][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   20.803733][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.803860][  T286]  ? __kernel_text_address (kernel/extable.c:79)
[   20.803988][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.804119][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.804247][  T286]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   20.804378][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.804513][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.804639][  T286]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   20.804768][  T286]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   20.804895][  T286]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   20.805022][  T286]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   20.805151][  T286]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   20.805278][  T286]  ? nla_get_range_signed (lib/nlattr.c:270)
[   20.805417][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   20.805549][  T286]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   20.805681][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.805808][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.805935][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.806061][  T286]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   20.806195][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.806325][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.806467][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.806595][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.806722][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   20.806851][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   20.806979][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   20.807107][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.807233][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.807365][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.807507][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   20.807634][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   20.807764][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   20.807891][  T286]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   20.808019][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   20.808151][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   20.808277][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   20.808415][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   20.808545][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   20.808673][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   20.808802][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   20.808930][  T286]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   20.809060][  T286]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   20.809189][  T286]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   20.809316][  T286]  ? copy_msghdr_from_user (net/socket.c:2635)
[   20.809453][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   20.809611][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   20.809740][  T286]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   20.809870][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   20.810000][  T286]  ___sys_sendmsg (net/socket.c:2752)
[   20.810127][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   20.810286][  T286]  ? copy_msghdr_from_user (net/socket.c:2603)
[   20.810436][  T286]  __sys_sendmsg (net/socket.c:2784)
[   20.810564][  T286]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   20.810692][  T286]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   20.810852][  T286]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   20.810981][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   20.811110][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   20.811237][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   20.811367][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   20.811502][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   20.811661][  T286] RIP: 0033:0x7f6d4f0ab08e
[   20.811793][  T286] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   20.812245][  T286] RSP: 002b:00007ffd1afc7300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   20.812456][  T286] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6d4f0ab08e
[   20.812645][  T286] RDX: 0000000000000000 RSI: 00007ffd1afc73b0 RDI: 0000000000000005
[   20.812835][  T286] RBP: 00007ffd1afc7310 R08: 0000000000000000 R09: 0000000000000000
[   20.813023][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6b8
[   20.813216][  T286] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1afc7a80
| [   24.958896][   T12] ------------[ cut here ]------------
| [   24.959065][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   24.959308][   T12] Modules linked in:
| [   24.959694][   T12] Tainted: [W]=WARN
[   24.959784][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.959935][   T12] Workqueue: netns cleanup_net
[   24.960062][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.960217][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.960658][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   24.960816][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b5a80 RCX: 1ff4000000018eed
[   24.960993][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b5b3c
[   24.961179][   T12] RBP: ff110000129fc000 R08: 1fe2200001f16b69 R09: ff11000001aed1d0
[   24.961364][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.961551][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.961728][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   24.961936][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.962089][   T12] CR2: 00007f9c502fa580 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   24.962273][   T12] PKRU: 55555554
[   24.962365][   T12] Call Trace:
[   24.962462][   T12]  <TASK>
[   24.962525][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.962680][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.962834][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   24.962955][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   24.963077][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.963196][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   24.963316][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.963452][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.963573][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   24.963691][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.963815][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.963935][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.964055][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.964177][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.964296][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.964429][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.964550][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.964673][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.964797][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.964925][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.965046][   T12]  kthread (kernel/kthread.c:436)
[   24.965135][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.965283][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.965411][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.965533][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.965679][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.965796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.965917][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.968132][   T12] ------------[ cut here ]------------
| [   24.968256][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   24.968511][   T12] Modules linked in:
| [   24.968880][   T12] Tainted: [W]=WARN
[   24.968972][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.969127][   T12] Workqueue: netns cleanup_net
[   24.969251][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.969423][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.969847][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   24.969996][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b5380 RCX: 1ff4000000018eed
[   24.970171][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b543c
[   24.970349][   T12] RBP: ff11000009c99000 R08: 1fe2200001f16a89 R09: ff11000001aed1d0
[   24.970534][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.970719][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.970897][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   24.971103][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.971253][   T12] CR2: 00007f9c502fa580 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   24.971446][   T12] PKRU: 55555554
[   24.971535][   T12] Call Trace:
[   24.971622][   T12]  <TASK>
[   24.971684][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.971833][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.971977][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   24.972097][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   24.972216][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.972333][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   24.972463][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.972588][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.972707][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   24.972825][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.972948][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.973066][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.973185][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.973303][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.973431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.973549][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.973670][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.973786][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.973909][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.974032][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.974150][   T12]  kthread (kernel/kthread.c:436)
[   24.974244][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.974400][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.974520][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.974644][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.974793][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.974911][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.975033][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.977172][   T12] ------------[ cut here ]------------
| [   24.977290][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   24.977532][   T12] Modules linked in:
| [   24.977902][   T12] Tainted: [W]=WARN
[   24.977992][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.978140][   T12] Workqueue: netns cleanup_net
[   24.978268][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.978431][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.978852][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   24.979001][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b4c80 RCX: 1ff4000000018eed
[   24.979175][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b4d3c
[   24.979357][   T12] RBP: ff1100000f0ec000 R08: 1fe2200001f169a9 R09: ff11000001aed1d0
[   24.979536][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.979712][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.979894][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   24.980100][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.980250][   T12] CR2: 00007f9c502fa580 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   24.980438][   T12] PKRU: 55555554
[   24.980526][   T12] Call Trace:
[   24.980613][   T12]  <TASK>
[   24.980674][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.980822][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.980974][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   24.981104][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   24.981223][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.981341][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   24.981468][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.981587][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.981708][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   24.981825][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.981945][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.982068][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.982185][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.982305][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.982430][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.982548][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.982671][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.982789][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.982911][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.983032][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.983149][   T12]  kthread (kernel/kthread.c:436)
[   24.983238][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.983391][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.983516][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.983633][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.983780][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.983901][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.984019][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.985969][   T12] ------------[ cut here ]------------
| [   24.986083][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   24.986312][   T12] Modules linked in:
| [   24.986672][   T12] Tainted: [W]=WARN
[   24.986762][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.986913][   T12] Workqueue: netns cleanup_net
[   24.987035][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.987189][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.987617][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   24.987765][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f8b4900 RCX: 1ff4000000018eed
[   24.987944][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f8b49bc
[   24.988120][   T12] RBP: ff1100000977c000 R08: 1fe2200001f16939 R09: ff11000001aed1d0
[   24.988294][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.988479][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.988661][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   24.988865][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.989016][   T12] CR2: 00007f9c502fa580 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   24.989210][   T12] PKRU: 55555554
[   24.989299][   T12] Call Trace:
[   24.989392][   T12]  <TASK>
[   24.989460][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.989610][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.989757][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   24.989876][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   24.989997][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.990114][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   24.990233][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.990357][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.990483][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   24.990600][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.990721][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.990839][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.990955][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.991075][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.991192][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   24.991312][   T12]  process_one_work (kernel/workqueue.c:3314)
[   24.991489][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   24.991607][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   24.991730][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   24.991851][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   24.991968][   T12]  kthread (kernel/kthread.c:436)
[   24.992057][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   24.992204][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.992320][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   24.992446][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   24.992592][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   24.992709][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   24.992829][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   24.994780][   T12] ------------[ cut here ]------------
| [   24.994896][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   24.995128][   T12] Modules linked in:
| [   24.995490][   T12] Tainted: [W]=WARN
[   24.995578][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   24.995728][   T12] Workqueue: netns cleanup_net
[   24.995851][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   24.996009][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   24.996453][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   24.996602][   T12] RAX: 00000000ffffffa6 RBX: ff11000004bc7540 RCX: 1ff4000000018eed
[   24.996778][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004bc75fc
[   24.996953][   T12] RBP: ff1100000f99c000 R08: 1fe2200000978ec1 R09: ff11000001aed1d0
[   24.997129][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   24.997304][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   24.997490][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   24.997696][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   24.997841][   T12] CR2: 00007f9c502fa580 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   24.998016][   T12] PKRU: 55555554
[   24.998104][   T12] Call Trace:
[   24.998192][   T12]  <TASK>
[   24.998253][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   24.998410][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   24.998557][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   24.998678][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   24.998796][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   24.998914][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   24.999032][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   24.999151][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   24.999270][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   24.999391][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   24.999518][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   24.999638][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   24.999755][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   24.999874][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   24.999990][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.000109][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.000231][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.000348][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.000480][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.000601][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.000719][   T12]  kthread (kernel/kthread.c:436)
[   25.000808][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.000953][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.001076][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.001195][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.001345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.001472][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.001590][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.018665][   T12] ------------[ cut here ]------------
| [   25.018802][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   25.019048][   T12] Modules linked in:
| [   25.019440][   T12] Tainted: [W]=WARN
[   25.019535][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.019691][   T12] Workqueue: netns cleanup_net
[   25.019820][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.019981][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.020490][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   25.020647][   T12] RAX: 00000000ffffffa6 RBX: ff11000004bc7380 RCX: 1ff4000000018eaf
[   25.020884][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004bc743c
[   25.021073][   T12] RBP: ff11000012b8c000 R08: 1fe2200000978e89 R09: ff11000001aed1d0
[   25.021257][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   25.021502][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012a31000
[   25.021687][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.021907][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.022062][   T12] CR2: 00007f9c502fa580 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   25.022251][   T12] PKRU: 55555554
[   25.022345][   T12] Call Trace:
[   25.022496][   T12]  <TASK>
[   25.022563][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.022691][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.022786][   T12]  netif_close_many (net/core/dev.c:1804)
[   25.022913][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.023038][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.023165][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.023289][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   25.023472][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.023632][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.023790][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.023962][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.024116][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.024241][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.024367][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.024580][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.024708][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.024833][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.024959][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.025084][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.025210][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.025337][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.025515][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.025641][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.025765][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.025889][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.026017][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.026140][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.026265][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.026448][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.026573][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.026702][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.026831][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.026956][   T12]  kthread (kernel/kthread.c:436)
[   25.027049][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.027203][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.027329][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.027507][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.027665][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.027789][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.027916][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.030444][   T12] ------------[ cut here ]------------
| [   25.030585][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   25.030837][   T12] Modules linked in:
| [   25.031218][   T12] Tainted: [W]=WARN
[   25.031312][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.031491][   T12] Workqueue: netns cleanup_net
[   25.031622][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.031787][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.032232][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   25.032403][   T12] RAX: 00000000ffffffa6 RBX: ff11000009891700 RCX: 1ff4000000018eaf
[   25.032601][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000098917bc
[   25.032846][   T12] RBP: ff11000012a31000 R08: 1fe22000013122f9 R09: 0000000000000000
[   25.033051][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   25.033238][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000967c000
[   25.033455][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   25.033674][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.033831][   T12] CR2: 00007fa0ffd5d2a0 CR3: 000000004c54d006 CR4: 0000000000771ef0
[   25.034019][   T12] PKRU: 55555554
[   25.034113][   T12] Call Trace:
[   25.034207][   T12]  <TASK>
[   25.034282][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.034422][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.034555][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.034650][   T12]  netif_close_many (net/core/dev.c:1804)
[   25.034777][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.034901][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.035025][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.035150][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   25.035275][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.035441][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.035598][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.035724][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.035878][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.036003][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.036127][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.036283][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.036464][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.036592][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.036716][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.036840][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.036966][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.037092][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.037216][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.037348][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.037486][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.037609][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.037735][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.037859][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.037986][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.038115][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.038241][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.038373][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.038505][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.038630][   T12]  kthread (kernel/kthread.c:436)
[   25.038724][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.038878][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.039005][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.039132][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.039289][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.039430][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.039557][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.042321][   T12] ------------[ cut here ]------------
| [   25.042477][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   25.042743][   T12] Modules linked in:
| [   25.043163][   T12] Tainted: [W]=WARN
[   25.043258][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.043437][   T12] Workqueue: netns cleanup_net
[   25.043572][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.043735][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.044188][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   25.044355][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e42bc40 RCX: 1ff4000000018eaf
[   25.044661][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e42bcfc
[   25.044849][   T12] RBP: ff1100000967c000 R08: 1fe2200001c857a1 R09: ff11000001aed1d0
[   25.045035][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   25.045223][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   25.045516][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   25.045964][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.046138][   T12] CR2: 00007fa0ffd5d2a0 CR3: 000000004c54d006 CR4: 0000000000771ef0
[   25.046420][   T12] PKRU: 55555554
[   25.046517][   T12] Call Trace:
[   25.046611][   T12]  <TASK>
[   25.046676][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.046803][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.046934][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.047034][   T12]  netif_close_many (net/core/dev.c:1804)
[   25.047162][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.047302][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.047521][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.047648][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   25.047774][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.047935][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.048092][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.048217][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.048379][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.048556][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.048682][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.048837][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.048965][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.049090][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.049216][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.049355][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.049533][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.049660][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.049784][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.049910][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.050035][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.050159][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.050285][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.050444][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.050571][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.050698][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.050821][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.050950][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.051080][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.051207][   T12]  kthread (kernel/kthread.c:436)
[   25.051301][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.051466][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.051589][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.051715][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.051870][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.051994][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.052119][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.066901][   T12] ------------[ cut here ]------------
| [   25.067070][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   25.067365][   T12] Modules linked in:
| [   25.067893][   T12] Tainted: [W]=WARN
[   25.068030][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.068230][   T12] Workqueue: netns cleanup_net
[   25.068423][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.068628][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.069096][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   25.069295][   T12] RAX: 00000000ffffffa6 RBX: ff11000013485a80 RCX: 1ff4000000018ed5
[   25.069539][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013485b3c
[   25.069762][   T12] RBP: ff11000012b8c000 R08: 1fe2200002690b69 R09: ff11000001aed1d0
[   25.069985][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.070207][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.070461][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   25.070716][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.070913][   T12] CR2: 000055fd70cf4d08 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   25.071139][   T12] PKRU: 55555554
[   25.071275][   T12] Call Trace:
[   25.071434][   T12]  <TASK>
[   25.071544][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.071746][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.071942][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.072108][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.072274][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.072495][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.072669][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.072836][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.073003][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.073173][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.073343][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.073534][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.073706][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.073875][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.074046][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.074216][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.074391][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.074576][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.074748][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.074917][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.075090][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.075266][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.075459][   T12]  kthread (kernel/kthread.c:436)
[   25.075599][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.075796][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.075963][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.076130][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.076326][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.076532][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.076705][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.079418][   T12] ------------[ cut here ]------------
| [   25.079614][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   25.079894][   T12] Modules linked in:
| [   25.080348][   T12] Tainted: [W]=WARN
[   25.080609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.080802][   T12] Workqueue: netns cleanup_net
[   25.080975][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.081176][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.081666][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   25.081865][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c16c740 RCX: 1ff4000000018ed5
[   25.082087][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c16c7fc
[   25.082308][   T12] RBP: ff11000012a31000 R08: 1fe220000182d901 R09: ff11000001aed1d0
[   25.082553][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.082779][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.083004][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   25.083262][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.083503][   T12] CR2: 000055fd70cf4d08 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   25.083732][   T12] PKRU: 55555554
[   25.083867][   T12] Call Trace:
[   25.084001][   T12]  <TASK>
[   25.084111][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.084310][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.084526][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.084693][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.084859][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.085060][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.085228][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.085413][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.085577][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.085746][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.085916][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.086080][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.086253][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.086442][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.086608][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.086776][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.086944][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.087115][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.087286][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.087472][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.087645][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.087818][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.087985][   T12]  kthread (kernel/kthread.c:436)
[   25.088124][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.088319][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.088534][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.088709][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.088907][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.089074][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.089242][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.092082][   T12] ------------[ cut here ]------------
| [   25.092279][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   25.092578][   T12] Modules linked in:
| [   25.093034][   T12] Tainted: [W]=WARN
[   25.093171][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.093372][   T12] Workqueue: netns cleanup_net
[   25.093557][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.093760][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.094230][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   25.094444][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c16c040 RCX: 1ff4000000018ed5
[   25.094698][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c16c0fc
[   25.094925][   T12] RBP: ff1100000967c000 R08: 1fe220000182d821 R09: ff11000001aed1d0
[   25.095147][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.095375][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.095612][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   25.095870][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.096066][   T12] CR2: 000055fd70cf4d08 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   25.096292][   T12] PKRU: 55555554
[   25.096445][   T12] Call Trace:
[   25.096612][   T12]  <TASK>
[   25.096721][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.096922][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.097152][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.097321][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.097503][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.097704][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.097874][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.098044][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.098210][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.098407][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.098578][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.098746][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.098919][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.099099][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.099263][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.099455][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.099629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.099797][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.099968][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.100165][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.100337][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.100530][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.100697][   T12]  kthread (kernel/kthread.c:436)
[   25.100838][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.101032][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.101199][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.101373][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.101585][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.101753][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.101920][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.118057][  T305] ------------[ cut here ]------------
| [   25.118205][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/305
| [   25.118452][  T305] Modules linked in:
| [   25.118817][  T305] Tainted: [W]=WARN
[   25.118915][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.119078][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.119249][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.119724][  T305] RSP: 0018:ffa0000000d17a80 EFLAGS: 00010286
[   25.119888][  T305] RAX: 00000000ffffffa6 RBX: ff11000005975c40 RCX: 1ff40000001a2f16
[   25.120083][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005975cfc
[   25.120279][  T305] RBP: ff110000059fc000 R08: 1fe2200000b2eba1 R09: ff1100000e518b80
[   25.120486][  T305] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.120679][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000059fc000
[   25.120876][  T305] FS:  00007f230b94e840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.121105][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.121268][  T305] CR2: 00007f230bb4fc20 CR3: 0000000010258006 CR4: 0000000000771ef0
[   25.121475][  T305] PKRU: 55555554
[   25.121572][  T305] Call Trace:
[   25.121669][  T305]  <TASK>
[   25.121736][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.121869][  T305]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.122000][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.122101][  T305]  register_netdevice (net/core/dev.c:11488)
[   25.122233][  T305]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.122405][  T305]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.122537][  T305]  register_netdev (net/core/dev.c:11552)
[   25.122667][  T305]  loopback_net_init (drivers/net/loopback.c:218)
[   25.122801][  T305]  ops_init (net/core/net_namespace.c:137)
[   25.122901][  T305]  setup_net (net/core/net_namespace.c:446)
[   25.123000][  T305]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.123130][  T305]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.123260][  T305]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.123402][  T305]  copy_net_ns (net/core/net_namespace.c:579)
[   25.123535][  T305]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.123670][  T305]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.123801][  T305]  ksys_unshare (kernel/fork.c:3243)
[   25.123932][  T305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.124064][  T305]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.124195][  T305]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.124329][  T305]  ? __ia32_sys_open (fs/open.c:1374)
[   25.124471][  T305]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.124602][  T305]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.124733][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.124863][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.124993][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.125123][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.125286][  T305] RIP: 0033:0x7f230bc10bcb
[   25.125434][  T305] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.125899][  T305] RSP: 002b:00007ffeb0410f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.126096][  T305] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f230bc10bcb
[   25.126290][  T305] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.126494][  T305] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.126688][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeb0413170
[   25.126882][  T305] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb0413886
| [   25.130722][  T305] ------------[ cut here ]------------
| [   25.130858][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/305
| [   25.131084][  T305] Modules linked in:
| [   25.131457][  T305] Tainted: [W]=WARN
[   25.131556][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.131718][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.131885][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.132346][  T305] RSP: 0018:ffa0000000d17918 EFLAGS: 00010286
[   25.132521][  T305] RAX: 00000000ffffffa6 RBX: ff11000005977540 RCX: 1ff40000001a2ee9
[   25.132715][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059775fc
[   25.132908][  T305] RBP: ff11000009824000 R08: 1fe2200000b2eec1 R09: ff1100000e518b80
[   25.133102][  T305] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.133295][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009824000
[   25.133501][  T305] FS:  00007f230b94e840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.133730][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.133892][  T305] CR2: 00007f230bb4fc20 CR3: 0000000010258006 CR4: 0000000000771ef0
[   25.134089][  T305] PKRU: 55555554
[   25.134186][  T305] Call Trace:
[   25.134281][  T305]  <TASK>
[   25.134348][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.134488][  T305]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.134617][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.134717][  T305]  register_netdevice (net/core/dev.c:11488)
[   25.134849][  T305]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.135012][  T305]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.135143][  T305]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.135274][  T305]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   25.135410][  T305]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.135543][  T305]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.135672][  T305]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   25.135805][  T305]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   25.135937][  T305]  ops_init (net/core/net_namespace.c:137)
[   25.136037][  T305]  setup_net (net/core/net_namespace.c:446)
[   25.136136][  T305]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.136265][  T305]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.136404][  T305]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.136536][  T305]  copy_net_ns (net/core/net_namespace.c:579)
[   25.136667][  T305]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.136801][  T305]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.136931][  T305]  ksys_unshare (kernel/fork.c:3243)
[   25.137061][  T305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.137192][  T305]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.137322][  T305]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.137465][  T305]  ? __ia32_sys_open (fs/open.c:1374)
[   25.137596][  T305]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.137728][  T305]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.137858][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.137989][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.138117][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.138246][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.138416][  T305] RIP: 0033:0x7f230bc10bcb
[   25.138551][  T305] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.139015][  T305] RSP: 002b:00007ffeb0410f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.139210][  T305] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f230bc10bcb
[   25.139414][  T305] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.139609][  T305] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.139802][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeb0413170
[   25.139995][  T305] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb0413886
| [   25.144189][  T305] ------------[ cut here ]------------
| [   25.144326][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/305
| [   25.145069][  T305] Modules linked in:
| [   25.145498][  T305] Tainted: [W]=WARN
[   25.145597][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.145761][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.145934][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.146466][  T305] RSP: 0018:ffa0000000d178f8 EFLAGS: 00010286
[   25.146633][  T305] RAX: 00000000ffffffa6 RBX: ff11000009893700 RCX: 1ff40000001a2ee5
[   25.146886][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000098937bc
[   25.147083][  T305] RBP: ff110000094ac000 R08: 1fe22000013126f9 R09: ff1100000e518b80
[   25.147281][  T305] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.147542][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094ac000
[   25.147739][  T305] FS:  00007f230b94e840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.147971][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.148136][  T305] CR2: 00007f230bb4fc20 CR3: 0000000010258006 CR4: 0000000000771ef0
[   25.148335][  T305] PKRU: 55555554
[   25.148494][  T305] Call Trace:
[   25.148592][  T305]  <TASK>
[   25.148661][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.148792][  T305]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.148924][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.149024][  T305]  register_netdevice (net/core/dev.c:11488)
[   25.149159][  T305]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.149324][  T305]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.149519][  T305]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.149651][  T305]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   25.149783][  T305]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.149916][  T305]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.150048][  T305]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   25.150181][  T305]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   25.150313][  T305]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.150507][  T305]  vti_init_net (net/ipv4/ip_vti.c:517)
[   25.150640][  T305]  ops_init (net/core/net_namespace.c:137)
[   25.150742][  T305]  setup_net (net/core/net_namespace.c:446)
[   25.150843][  T305]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.150975][  T305]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.151109][  T305]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.151245][  T305]  copy_net_ns (net/core/net_namespace.c:579)
[   25.151385][  T305]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.151577][  T305]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.151711][  T305]  ksys_unshare (kernel/fork.c:3243)
[   25.151844][  T305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.151978][  T305]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.152112][  T305]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.152248][  T305]  ? __ia32_sys_open (fs/open.c:1374)
[   25.152388][  T305]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.152577][  T305]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.152711][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.152844][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.152976][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.153108][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.153272][  T305] RIP: 0033:0x7f230bc10bcb
[   25.153476][  T305] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.153947][  T305] RSP: 002b:00007ffeb0410f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.154145][  T305] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f230bc10bcb
[   25.154343][  T305] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.154603][  T305] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.154799][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeb0413170
[   25.154996][  T305] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb0413886
| [   25.164759][  T305] ------------[ cut here ]------------
| [   25.164906][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/305
| [   25.165138][  T305] Modules linked in:
| [   25.165519][  T305] Tainted: [W]=WARN
[   25.165617][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.165780][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.165953][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.166429][  T305] RSP: 0018:ffa0000000d17a78 EFLAGS: 00010286
[   25.166594][  T305] RAX: 00000000ffffffa6 RBX: ff11000004bc6580 RCX: 1ff40000001a2f15
[   25.166790][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004bc663c
[   25.166984][  T305] RBP: ff1100000a894000 R08: 1fe2200000978cc9 R09: ff1100000e518b80
[   25.167180][  T305] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.167379][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a894000
[   25.167581][  T305] FS:  00007f230b94e840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.167814][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.167978][  T305] CR2: 000055fff40f5d5c CR3: 0000000010258003 CR4: 0000000000771ef0
[   25.168177][  T305] PKRU: 55555554
[   25.168276][  T305] Call Trace:
[   25.168379][  T305]  <TASK>
[   25.168452][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.168584][  T305]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.168715][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.168814][  T305]  register_netdevice (net/core/dev.c:11488)
[   25.168947][  T305]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.169109][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.169242][  T305]  register_netdev (net/core/dev.c:11552)
[   25.169377][  T305]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   25.169517][  T305]  ops_init (net/core/net_namespace.c:137)
[   25.169618][  T305]  setup_net (net/core/net_namespace.c:446)
[   25.169719][  T305]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.169849][  T305]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.169980][  T305]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.170113][  T305]  copy_net_ns (net/core/net_namespace.c:579)
[   25.170244][  T305]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.170383][  T305]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.170521][  T305]  ksys_unshare (kernel/fork.c:3243)
[   25.170652][  T305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.170783][  T305]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.170913][  T305]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.171044][  T305]  ? __ia32_sys_open (fs/open.c:1374)
[   25.171177][  T305]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.171307][  T305]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.171454][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.171585][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.171715][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.171845][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.172007][  T305] RIP: 0033:0x7f230bc10bcb
[   25.172144][  T305] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.172623][  T305] RSP: 002b:00007ffeb0410f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.172821][  T305] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f230bc10bcb
[   25.173015][  T305] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.173210][  T305] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.173418][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeb0413170
[   25.173612][  T305] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb0413886
| [   25.177737][  T305] ------------[ cut here ]------------
| [   25.177875][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/305
| [   25.178101][  T305] Modules linked in:
| [   25.178475][  T305] Tainted: [W]=WARN
[   25.178573][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.178736][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.178905][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.179374][  T305] RSP: 0018:ffa0000000d17a68 EFLAGS: 00010286
[   25.179543][  T305] RAX: 00000000ffffffa6 RBX: ff1100001324b380 RCX: 1ff40000001a2f13
[   25.179736][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001324b43c
[   25.179930][  T305] RBP: ff1100000f87c000 R08: 1fe2200002649689 R09: ff1100000e518b80
[   25.180124][  T305] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.180319][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f87c000
[   25.180526][  T305] FS:  00007f230b94e840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.180753][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.180918][  T305] CR2: 000055fff40f5d5c CR3: 0000000010258003 CR4: 0000000000771ef0
[   25.181116][  T305] PKRU: 55555554
[   25.181213][  T305] Call Trace:
[   25.181310][  T305]  <TASK>
[   25.181383][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.181520][  T305]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.181651][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.181751][  T305]  register_netdevice (net/core/dev.c:11488)
[   25.181883][  T305]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.182051][  T305]  register_netdev (net/core/dev.c:11552)
[   25.182181][  T305]  sit_init_net (net/ipv6/sit.c:1860)
[   25.182313][  T305]  ops_init (net/core/net_namespace.c:137)
[   25.182424][  T305]  setup_net (net/core/net_namespace.c:446)
[   25.182523][  T305]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.182654][  T305]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.182786][  T305]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.182921][  T305]  copy_net_ns (net/core/net_namespace.c:579)
[   25.183053][  T305]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.183186][  T305]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.183318][  T305]  ksys_unshare (kernel/fork.c:3243)
[   25.183459][  T305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.183591][  T305]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.183722][  T305]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.183854][  T305]  ? __ia32_sys_open (fs/open.c:1374)
[   25.183986][  T305]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.184117][  T305]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.184248][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.184384][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.184519][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.184650][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.184811][  T305] RIP: 0033:0x7f230bc10bcb
[   25.184948][  T305] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.185420][  T305] RSP: 002b:00007ffeb0410f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.185617][  T305] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f230bc10bcb
[   25.185812][  T305] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.186008][  T305] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.186203][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeb0413170
[   25.186407][  T305] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb0413886
| [   25.190618][  T305] ------------[ cut here ]------------
| [   25.190756][  T305] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/305
| [   25.190985][  T305] Modules linked in:
| [   25.191357][  T305] Tainted: [W]=WARN
[   25.191463][  T305] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.191626][  T305] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.191798][  T305] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.192266][  T305] RSP: 0018:ffa0000000d17a78 EFLAGS: 00010286
[   25.192442][  T305] RAX: 00000000ffffffa6 RBX: ff11000009892e40 RCX: 1ff40000001a2f15
[   25.192637][  T305] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009892efc
[   25.192868][  T305] RBP: ff1100000a844000 R08: 1fe22000013125e1 R09: ff1100000e518b80
[   25.193063][  T305] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.193258][  T305] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a844000
[   25.193466][  T305] FS:  00007f230b94e840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.193693][  T305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.193858][  T305] CR2: 000055fff40f5d5c CR3: 0000000010258003 CR4: 0000000000771ef0
[   25.194056][  T305] PKRU: 55555554
[   25.194154][  T305] Call Trace:
[   25.194251][  T305]  <TASK>
[   25.194319][  T305]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.194460][  T305]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.194591][  T305]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.194693][  T305]  register_netdevice (net/core/dev.c:11488)
[   25.194826][  T305]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.194990][  T305]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.195124][  T305]  register_netdev (net/core/dev.c:11552)
[   25.195255][  T305]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   25.195392][  T305]  ops_init (net/core/net_namespace.c:137)
[   25.195498][  T305]  setup_net (net/core/net_namespace.c:446)
[   25.195599][  T305]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.195731][  T305]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.195863][  T305]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.195997][  T305]  copy_net_ns (net/core/net_namespace.c:579)
[   25.196128][  T305]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.196262][  T305]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.196404][  T305]  ksys_unshare (kernel/fork.c:3243)
[   25.196536][  T305]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.196667][  T305]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.196799][  T305]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.196931][  T305]  ? __ia32_sys_open (fs/open.c:1374)
[   25.197065][  T305]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.197194][  T305]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.197324][  T305]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.197466][  T305]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.197597][  T305]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.197727][  T305]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.197891][  T305] RIP: 0033:0x7f230bc10bcb
[   25.198028][  T305] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.198503][  T305] RSP: 002b:00007ffeb0410f48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.198702][  T305] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f230bc10bcb
[   25.198899][  T305] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.199093][  T305] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.199290][  T305] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffeb0413170
[   25.199495][  T305] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffeb0413886
| [   25.211402][   T12] ------------[ cut here ]------------
| [   25.211603][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   25.211912][   T12] Modules linked in:
| [   25.212379][   T12] Tainted: [W]=WARN
[   25.212530][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.212755][   T12] Workqueue: netns cleanup_net
[   25.212928][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.213132][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.213643][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   25.213840][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa07700 RCX: 1ff4000000018eed
[   25.214094][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa077bc
[   25.214348][   T12] RBP: ff11000008b99000 R08: 1fe2200001540ef9 R09: ff11000001aed1d0
[   25.214596][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.214819][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.215045][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   25.215298][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.215519][   T12] CR2: 000055fd70cf4d08 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   25.215755][   T12] PKRU: 55555554
[   25.215891][   T12] Call Trace:
[   25.216027][   T12]  <TASK>
[   25.216136][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.216336][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.216553][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.216720][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.216901][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.217067][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.217235][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.217453][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.217624][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.217789][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.217961][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.218128][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.218293][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.218485][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.218653][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.218825][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.219031][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.219200][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.219387][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.219575][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.219743][   T12]  kthread (kernel/kthread.c:436)
[   25.219882][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.220078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.220244][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.220435][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.220632][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.220799][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.220969][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.223642][   T12] ------------[ cut here ]------------
| [   25.223801][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   25.224076][   T12] Modules linked in:
| [   25.224554][   T12] Tainted: [W]=WARN
[   25.224689][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.224883][   T12] Workqueue: netns cleanup_net
[   25.225053][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.225255][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.225748][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   25.225945][   T12] RAX: 00000000ffffffa6 RBX: ff1100000aa07000 RCX: 1ff4000000018eed
[   25.226166][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000aa070bc
[   25.226411][   T12] RBP: ff1100000594c000 R08: 1fe2200001540e19 R09: ff11000001aed1d0
[   25.226633][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.226855][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.227080][   T12] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   25.227333][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.227551][   T12] CR2: 000055fd70cf4d08 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   25.227773][   T12] PKRU: 55555554
[   25.227909][   T12] Call Trace:
[   25.228044][   T12]  <TASK>
[   25.228152][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.228358][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.228564][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.228735][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.228902][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.229067][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.229234][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.229424][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.229598][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.229764][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.229938][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.230106][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.230271][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.230463][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.230631][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.230799][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.230968][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.231134][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.231309][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.231500][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.231670][   T12]  kthread (kernel/kthread.c:436)
[   25.231807][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.232001][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.232167][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.232334][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.232556][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.232722][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.232888][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.247133][   T12] ------------[ cut here ]------------
| [   25.247271][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   25.247591][   T12] Modules linked in:
| [   25.247950][   T12] Tainted: [W]=WARN
[   25.248040][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.248191][   T12] Workqueue: netns cleanup_net
[   25.248314][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.248480][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.248900][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   25.249050][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ed3a80 RCX: 1ff4000000018eed
[   25.249225][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed3b3c
[   25.249419][   T12] RBP: ff1100000932c000 R08: 1fe22000003da769 R09: ff11000001aed1d0
[   25.249594][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.249771][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.249948][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.250152][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.250299][   T12] CR2: 00007f230bbd92a0 CR3: 000000004c54d004 CR4: 0000000000771ef0
[   25.250492][   T12] PKRU: 55555554
[   25.250580][   T12] Call Trace:
[   25.250671][   T12]  <TASK>
[   25.250734][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.250884][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.251029][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.251148][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.251267][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.251392][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.251517][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.251636][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.251755][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.251871][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.251991][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.252109][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.252227][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.252347][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.252473][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.252592][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.252715][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.252833][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.252955][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.253078][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.253196][   T12]  kthread (kernel/kthread.c:436)
[   25.253284][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.253438][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.253556][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.253675][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.253821][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.253939][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.254060][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.256077][   T12] ------------[ cut here ]------------
| [   25.256194][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   25.256436][   T12] Modules linked in:
| [   25.256793][   T12] Tainted: [W]=WARN
[   25.256882][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.257028][   T12] Workqueue: netns cleanup_net
[   25.257151][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.257305][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.257741][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   25.257890][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ed3e00 RCX: 1ff4000000018eed
[   25.258066][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed3ebc
[   25.258246][   T12] RBP: ff11000008d19000 R08: 1fe22000003da7d9 R09: ff11000001aed1d0
[   25.258431][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.258608][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.258792][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.259001][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.259148][   T12] CR2: 00007f230bbd92a0 CR3: 000000004c54d004 CR4: 0000000000771ef0
[   25.259324][   T12] PKRU: 55555554
[   25.259424][   T12] Call Trace:
[   25.259511][   T12]  <TASK>
[   25.259574][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.259724][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.259871][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.259989][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.260109][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.260230][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.260348][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.260479][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.260600][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.260721][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.260841][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.260959][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.261080][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.261199][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.261318][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.261450][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.261572][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.261691][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.261818][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.261941][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.262065][   T12]  kthread (kernel/kthread.c:436)
[   25.262153][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.262299][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.262427][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.262545][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.262692][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.262810][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.262933][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.264910][   T12] ------------[ cut here ]------------
| [   25.265028][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   25.265256][   T12] Modules linked in:
| [   25.265624][   T12] Tainted: [W]=WARN
[   25.265712][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.265858][   T12] Workqueue: netns cleanup_net
[   25.265979][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.266132][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.266563][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   25.266712][   T12] RAX: 00000000ffffffa6 RBX: ff11000001ed23c0 RCX: 1ff4000000018eed
[   25.266890][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ed247c
[   25.267068][   T12] RBP: ff110000078a9000 R08: 1fe22000003da491 R09: ff11000001aed1d0
[   25.267242][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.267427][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.267608][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.267817][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.267963][   T12] CR2: 00007f230bbd92a0 CR3: 000000004c54d004 CR4: 0000000000771ef0
[   25.268143][   T12] PKRU: 55555554
[   25.268231][   T12] Call Trace:
[   25.268320][   T12]  <TASK>
[   25.268391][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.268548][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.268693][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   25.268810][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   25.268934][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.269050][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   25.269168][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.269286][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   25.269414][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.269530][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.269653][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.269772][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.269888][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.270007][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.270124][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.270243][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.270369][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.270492][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.270615][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.270737][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.270859][   T12]  kthread (kernel/kthread.c:436)
[   25.270949][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.271094][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.271212][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.271330][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.271489][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.271612][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.271730][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.274044][  T306] ------------[ cut here ]------------
| [   25.274188][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/306
| [   25.274432][  T306] Modules linked in:
| [   25.274799][  T306] Tainted: [W]=WARN
[   25.274901][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.275064][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.275235][  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
[   25.275714][  T306] RSP: 0018:ffa0000000be7020 EFLAGS: 00010286
[   25.275882][  T306] RAX: 00000000ffffffa6 RBX: ff1100000e42dc40 RCX: 1ff400000017cdca
[   25.276078][  T306] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e42dcfc
[   25.276273][  T306] RBP: ff110000059fc000 R08: 1fe2200001c85ba1 R09: ff1100000f95ae58
[   25.276477][  T306] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   25.276674][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.276872][  T306] FS:  00007f8746e5f840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.277102][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.277266][  T306] CR2: 000000001bd14988 CR3: 000000000cba2003 CR4: 0000000000771ef0
[   25.277473][  T306] PKRU: 55555554
[   25.277574][  T306] Call Trace:
[   25.277674][  T306]  <TASK>
[   25.277742][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.277877][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.277978][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.278110][  T306]  __dev_notify_flags (net/core/dev.c:9787)
[   25.278244][  T306]  ? netif_change_name (net/core/dev.c:1495)
[   25.278382][  T306]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.278523][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.278654][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.278786][  T306]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.278922][  T306]  netif_change_flags (net/core/dev.c:9820)
[   25.279056][  T306]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.279188][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.279322][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.279471][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.279634][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.279767][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.279898][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.280028][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.280161][  T306]  ? __kernel_text_address (kernel/extable.c:79)
[   25.280294][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.280438][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.280571][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.280704][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.280835][  T306]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.280964][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.281094][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.281225][  T306]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.281365][  T306]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.281506][  T306]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.281638][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.281771][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.281905][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.282039][  T306]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.282174][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.282305][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.282450][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.282583][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.282715][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.282849][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.282979][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.283110][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.283242][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.283381][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.283520][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.283651][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.283781][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.283911][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.284048][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.284179][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.284312][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.284459][  T306]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.284589][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.284724][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.284855][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.284990][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.285124][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.285256][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.285401][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.285534][  T306]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.285667][  T306]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.285801][  T306]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.285935][  T306]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.286067][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.286231][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   25.286366][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.286506][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.286639][  T306]  ___sys_sendmsg (net/socket.c:2752)
[   25.286769][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.286932][  T306]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.287076][  T306]  __sys_sendmsg (net/socket.c:2784)
[   25.287209][  T306]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.287344][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.287523][  T306]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.287655][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.287786][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.287919][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.288051][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.288184][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.288346][  T306] RIP: 0033:0x7f874709908e
[   25.288497][  T306] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.288964][  T306] RSP: 002b:00007ffe872b2570 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.289163][  T306] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f874709908e
[   25.289365][  T306] RDX: 0000000000000000 RSI: 00007ffe872b2620 RDI: 0000000000000005
[   25.289568][  T306] RBP: 00007ffe872b2580 R08: 0000000000000000 R09: 0000000000000000
[   25.289763][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bc
[   25.289959][  T306] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe872b2cf0
| [   25.298331][   T12] ------------[ cut here ]------------
| [   25.298958][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   25.299213][   T12] Modules linked in:
| [   25.299648][   T12] Tainted: [W]=WARN
[   25.299742][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.299894][   T12] Workqueue: netns cleanup_net
[   25.300024][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.300187][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.300688][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   25.300846][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e421a80 RCX: 1ff4000000018eaf
[   25.301030][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e421b3c
[   25.301213][   T12] RBP: ff1100000a3e9000 R08: 1fe2200001c84369 R09: ff11000001aed1d0
[   25.301455][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   25.301640][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   25.301827][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.302042][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.302197][   T12] CR2: 000055fff40f5d5c CR3: 000000001025d004 CR4: 0000000000771ef0
[   25.302387][   T12] PKRU: 55555554
[   25.302532][   T12] Call Trace:
[   25.302626][   T12]  <TASK>
[   25.302690][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.302819][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.302915][   T12]  netif_close_many (net/core/dev.c:1804)
[   25.303040][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.303166][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.303289][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.303472][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   25.303597][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.303753][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.303909][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.304033][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.304156][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   25.304285][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.304501][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.304630][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.304758][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.304882][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.305005][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.305131][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.305258][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.305388][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.305566][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.305691][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.305816][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.305941][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.306064][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.306189][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.306317][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.306505][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.306633][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.306763][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.306888][   T12]  kthread (kernel/kthread.c:436)
[   25.306980][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.307135][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.307259][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.307390][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.307598][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.307724][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.307849][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.310330][   T12] ------------[ cut here ]------------
| [   25.310474][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   25.310714][   T12] Modules linked in:
| [   25.311078][   T12] Tainted: [W]=WARN
[   25.311168][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.311320][   T12] Workqueue: netns cleanup_net
[   25.311460][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.311618][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.312057][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   25.312209][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e427700 RCX: 1ff4000000018ed5
[   25.312392][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e4277bc
[   25.312581][   T12] RBP: ff1100000a3e9000 R08: 1fe2200001c84ef9 R09: ff11000001aed1d0
[   25.312758][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   25.312938][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.313120][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   25.313333][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.313495][   T12] CR2: 000055fff40f5d5c CR3: 000000004c54d006 CR4: 0000000000771ef0
[   25.313675][   T12] PKRU: 55555554
[   25.313764][   T12] Call Trace:
[   25.313855][   T12]  <TASK>
[   25.313919][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.314073][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.314232][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.314358][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   25.314486][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   25.314605][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   25.314731][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   25.314854][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   25.314980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   25.315100][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.315227][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   25.315348][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   25.315478][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   25.315603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.315728][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.315849][   T12]  process_one_work (kernel/workqueue.c:3314)
[   25.315972][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.316091][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.316216][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.316341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.316470][   T12]  kthread (kernel/kthread.c:436)
[   25.316562][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.316715][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.316834][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.316955][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.317110][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.317229][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.317349][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.429495][  T313] ------------[ cut here ]------------
| [   25.429653][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/313
| [   25.429888][  T313] Modules linked in:
| [   25.430261][  T313] Tainted: [W]=WARN
[   25.430366][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.430538][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.430710][  T313] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.431181][  T313] RSP: 0018:ffa0000000d47a80 EFLAGS: 00010286
[   25.431347][  T313] RAX: 00000000ffffffa6 RBX: ff11000009ccc3c0 RCX: 1ff40000001a8f16
[   25.431557][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ccc47c
[   25.431756][  T313] RBP: ff110000091a4000 R08: 1fe2200001399891 R09: ff1100000e5cd180
[   25.431951][  T313] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.432147][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091a4000
[   25.432347][  T313] FS:  00007f9277781840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.432591][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.432756][  T313] CR2: 00007f9277988430 CR3: 000000000bfed003 CR4: 0000000000771ef0
[   25.432954][  T313] PKRU: 55555554
[   25.433053][  T313] Call Trace:
[   25.433151][  T313]  <TASK>
[   25.433219][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.433357][  T313]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.433497][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.433599][  T313]  register_netdevice (net/core/dev.c:11488)
[   25.433733][  T313]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.433897][  T313]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.434031][  T313]  register_netdev (net/core/dev.c:11552)
[   25.434162][  T313]  loopback_net_init (drivers/net/loopback.c:218)
[   25.434294][  T313]  ops_init (net/core/net_namespace.c:137)
[   25.434406][  T313]  setup_net (net/core/net_namespace.c:446)
[   25.434507][  T313]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.434640][  T313]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.434773][  T313]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.434908][  T313]  copy_net_ns (net/core/net_namespace.c:579)
[   25.435043][  T313]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.435179][  T313]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.435314][  T313]  ksys_unshare (kernel/fork.c:3243)
[   25.435461][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.435593][  T313]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.435726][  T313]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.435861][  T313]  ? __ia32_sys_open (fs/open.c:1374)
[   25.435994][  T313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.436124][  T313]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.436258][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.436401][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.436536][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.436668][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.436833][  T313] RIP: 0033:0x7f9277a43bcb
[   25.436974][  T313] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.437458][  T313] RSP: 002b:00007ffc4b7b9d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.437656][  T313] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9277a43bcb
[   25.437851][  T313] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.438045][  T313] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.438241][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4b7bbf40
[   25.438448][  T313] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4b7bc881
| [   25.442656][  T313] ------------[ cut here ]------------
| [   25.442793][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/313
| [   25.443018][  T313] Modules linked in:
| [   25.443386][  T313] Tainted: [W]=WARN
[   25.443494][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.443656][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.443825][  T313] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.444288][  T313] RSP: 0018:ffa0000000d47918 EFLAGS: 00010286
[   25.444467][  T313] RAX: 00000000ffffffa6 RBX: ff11000013419000 RCX: 1ff40000001a8ee9
[   25.444662][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000134190bc
[   25.444856][  T313] RBP: ff1100000f911000 R08: 1fe2200002683219 R09: ff1100000e5cd180
[   25.445050][  T313] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.445247][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f911000
[   25.445454][  T313] FS:  00007f9277781840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.445682][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.445844][  T313] CR2: 00007f9277988430 CR3: 000000000bfed003 CR4: 0000000000771ef0
[   25.446044][  T313] PKRU: 55555554
[   25.446143][  T313] Call Trace:
[   25.446241][  T313]  <TASK>
[   25.446308][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.446448][  T313]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.446579][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.446678][  T313]  register_netdevice (net/core/dev.c:11488)
[   25.446810][  T313]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.446975][  T313]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.447109][  T313]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.447239][  T313]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   25.447375][  T313]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.447510][  T313]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.447643][  T313]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   25.447777][  T313]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   25.447911][  T313]  ops_init (net/core/net_namespace.c:137)
[   25.448013][  T313]  setup_net (net/core/net_namespace.c:446)
[   25.448112][  T313]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.448242][  T313]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.448377][  T313]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.448514][  T313]  copy_net_ns (net/core/net_namespace.c:579)
[   25.448646][  T313]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.448779][  T313]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.448914][  T313]  ksys_unshare (kernel/fork.c:3243)
[   25.449045][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.449176][  T313]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.449307][  T313]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.449453][  T313]  ? __ia32_sys_open (fs/open.c:1374)
[   25.449587][  T313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.449718][  T313]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.449850][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.449981][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.450112][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.450243][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.450413][  T313] RIP: 0033:0x7f9277a43bcb
[   25.450549][  T313] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.451015][  T313] RSP: 002b:00007ffc4b7b9d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.451211][  T313] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9277a43bcb
[   25.451413][  T313] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.451608][  T313] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.451805][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4b7bbf40
[   25.452001][  T313] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4b7bc881
| [   25.455822][  T313] ------------[ cut here ]------------
| [   25.455960][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/313
| [   25.456189][  T313] Modules linked in:
| [   25.456568][  T313] Tainted: [W]=WARN
[   25.456670][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.456836][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.457008][  T313] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.457492][  T313] RSP: 0018:ffa0000000d478f8 EFLAGS: 00010286
[   25.457660][  T313] RAX: 00000000ffffffa6 RBX: ff11000013714900 RCX: 1ff40000001a8ee5
[   25.457858][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000137149bc
[   25.458055][  T313] RBP: ff1100000f349000 R08: 1fe22000026e2939 R09: ff1100000e5cd180
[   25.458251][  T313] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.458460][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f349000
[   25.458660][  T313] FS:  00007f9277781840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.458890][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.459055][  T313] CR2: 00007f9277988430 CR3: 000000000bfed003 CR4: 0000000000771ef0
[   25.459256][  T313] PKRU: 55555554
[   25.459360][  T313] Call Trace:
[   25.459479][  T313]  <TASK>
[   25.459547][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.459679][  T313]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.459814][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.459914][  T313]  register_netdevice (net/core/dev.c:11488)
[   25.460049][  T313]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.460217][  T313]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.460357][  T313]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   25.460496][  T313]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   25.460628][  T313]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   25.460762][  T313]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   25.460984][  T313]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   25.461118][  T313]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   25.461251][  T313]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.461401][  T313]  vti_init_net (net/ipv4/ip_vti.c:517)
[   25.461623][  T313]  ops_init (net/core/net_namespace.c:137)
[   25.461726][  T313]  setup_net (net/core/net_namespace.c:446)
[   25.461828][  T313]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.461958][  T313]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.462091][  T313]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.462320][  T313]  copy_net_ns (net/core/net_namespace.c:579)
[   25.462466][  T313]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.462602][  T313]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.462735][  T313]  ksys_unshare (kernel/fork.c:3243)
[   25.462954][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.463085][  T313]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.463219][  T313]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.463356][  T313]  ? __ia32_sys_open (fs/open.c:1374)
[   25.463502][  T313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.463635][  T313]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.463768][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.463900][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.464121][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.464254][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.464428][  T313] RIP: 0033:0x7f9277a43bcb
[   25.464566][  T313] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.465036][  T313] RSP: 002b:00007ffc4b7b9d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.465237][  T313] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9277a43bcb
[   25.465448][  T313] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.465647][  T313] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.465846][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4b7bbf40
[   25.466042][  T313] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4b7bc881
| [   25.470361][  T313] ------------[ cut here ]------------
| [   25.470501][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/313
| [   25.470724][  T313] Modules linked in:
| [   25.471180][  T313] Tainted: [W]=WARN
[   25.471279][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.471541][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.471712][  T313] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.472272][  T313] RSP: 0018:ffa0000000d47a78 EFLAGS: 00010286
[   25.472445][  T313] RAX: 00000000ffffffa6 RBX: ff11000009ccd000 RCX: 1ff40000001a8f15
[   25.472640][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ccd0bc
[   25.472925][  T313] RBP: ff1100000b9e9000 R08: 1fe2200001399a19 R09: ff1100000e5cd180
[   25.473120][  T313] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.473315][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b9e9000
[   25.473612][  T313] FS:  00007f9277781840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.473842][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.474096][  T313] CR2: 00007f9277988430 CR3: 000000000bfed003 CR4: 0000000000771ef0
[   25.474293][  T313] PKRU: 55555554
[   25.474403][  T313] Call Trace:
[   25.474501][  T313]  <TASK>
[   25.474569][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.474787][  T313]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.474918][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.475019][  T313]  register_netdevice (net/core/dev.c:11488)
[   25.475152][  T313]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.475408][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.475543][  T313]  register_netdev (net/core/dev.c:11552)
[   25.475674][  T313]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   25.475805][  T313]  ops_init (net/core/net_namespace.c:137)
[   25.475905][  T313]  setup_net (net/core/net_namespace.c:446)
[   25.476005][  T313]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.476137][  T313]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.476267][  T313]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.476409][  T313]  copy_net_ns (net/core/net_namespace.c:579)
[   25.476543][  T313]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.476676][  T313]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.476807][  T313]  ksys_unshare (kernel/fork.c:3243)
[   25.476939][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.477068][  T313]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.477198][  T313]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.477331][  T313]  ? __ia32_sys_open (fs/open.c:1374)
[   25.477474][  T313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.477604][  T313]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.477733][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.477864][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.477996][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.478128][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.478291][  T313] RIP: 0033:0x7f9277a43bcb
[   25.478437][  T313] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.478900][  T313] RSP: 002b:00007ffc4b7b9d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.479097][  T313] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9277a43bcb
[   25.479291][  T313] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.479501][  T313] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.479697][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4b7bbf40
[   25.479892][  T313] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4b7bc881
| [   25.499222][  T313] ------------[ cut here ]------------
| [   25.499382][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/313
| [   25.499616][  T313] Modules linked in:
| [   25.499982][  T313] Tainted: [W]=WARN
[   25.500082][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.500249][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.500433][  T313] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.500898][  T313] RSP: 0018:ffa0000000d47a68 EFLAGS: 00010286
[   25.501065][  T313] RAX: 00000000ffffffa6 RBX: ff1100000e4211c0 RCX: 1ff40000001a8f13
[   25.501262][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e42127c
[   25.501474][  T313] RBP: ff1100000fa99000 R08: 1fe2200001c84251 R09: ff1100000e5cd180
[   25.501670][  T313] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.501864][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa99000
[   25.502063][  T313] FS:  00007f9277781840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.502291][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.502468][  T313] CR2: 00007f0417e9d2a0 CR3: 000000000bfed005 CR4: 0000000000771ef0
[   25.502665][  T313] PKRU: 55555554
[   25.502763][  T313] Call Trace:
[   25.502864][  T313]  <TASK>
[   25.502933][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.503064][  T313]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.503196][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.503297][  T313]  register_netdevice (net/core/dev.c:11488)
[   25.503440][  T313]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.503608][  T313]  register_netdev (net/core/dev.c:11552)
[   25.503740][  T313]  sit_init_net (net/ipv6/sit.c:1860)
[   25.503876][  T313]  ops_init (net/core/net_namespace.c:137)
[   25.503977][  T313]  setup_net (net/core/net_namespace.c:446)
[   25.504078][  T313]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.504219][  T313]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.504355][  T313]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.504494][  T313]  copy_net_ns (net/core/net_namespace.c:579)
[   25.504627][  T313]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.504763][  T313]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.504895][  T313]  ksys_unshare (kernel/fork.c:3243)
[   25.505026][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.505158][  T313]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.505290][  T313]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.505433][  T313]  ? __ia32_sys_open (fs/open.c:1374)
[   25.505565][  T313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.505696][  T313]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.505827][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.505957][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.506088][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.506220][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.506391][  T313] RIP: 0033:0x7f9277a43bcb
[   25.506535][  T313] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.507001][  T313] RSP: 002b:00007ffc4b7b9d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.507196][  T313] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9277a43bcb
[   25.507403][  T313] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.507601][  T313] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.507795][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4b7bbf40
[   25.507989][  T313] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4b7bc881
| [   25.512335][  T313] ------------[ cut here ]------------
| [   25.512485][  T313] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/313
| [   25.512713][  T313] Modules linked in:
| [   25.513082][  T313] Tainted: [W]=WARN
[   25.513182][  T313] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.513345][  T313] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.513527][  T313] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.513998][  T313] RSP: 0018:ffa0000000d47a78 EFLAGS: 00010286
[   25.514162][  T313] RAX: 00000000ffffffa6 RBX: ff1100000c897000 RCX: 1ff40000001a8f15
[   25.514361][  T313] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c8970bc
[   25.514566][  T313] RBP: ff11000012d34000 R08: 1fe2200001912e19 R09: ff1100000e5cd180
[   25.514766][  T313] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.514961][  T313] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012d34000
[   25.515162][  T313] FS:  00007f9277781840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.515404][  T313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.515570][  T313] CR2: 00007f0417e9d2a0 CR3: 000000000bfed005 CR4: 0000000000771ef0
[   25.515770][  T313] PKRU: 55555554
[   25.515868][  T313] Call Trace:
[   25.515967][  T313]  <TASK>
[   25.516035][  T313]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.516168][  T313]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.516300][  T313]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.516411][  T313]  register_netdevice (net/core/dev.c:11488)
[   25.516573][  T313]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   25.516737][  T313]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.516872][  T313]  register_netdev (net/core/dev.c:11552)
[   25.517003][  T313]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   25.517138][  T313]  ops_init (net/core/net_namespace.c:137)
[   25.517240][  T313]  setup_net (net/core/net_namespace.c:446)
[   25.517339][  T313]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   25.517484][  T313]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   25.517617][  T313]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   25.517749][  T313]  copy_net_ns (net/core/net_namespace.c:579)
[   25.517881][  T313]  create_new_namespaces (kernel/nsproxy.c:132)
[   25.518016][  T313]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   25.518147][  T313]  ksys_unshare (kernel/fork.c:3243)
[   25.518279][  T313]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.518425][  T313]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   25.518557][  T313]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   25.518688][  T313]  ? __ia32_sys_open (fs/open.c:1374)
[   25.518820][  T313]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   25.518950][  T313]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   25.519079][  T313]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.519210][  T313]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.519342][  T313]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.519487][  T313]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.519649][  T313] RIP: 0033:0x7f9277a43bcb
[   25.519785][  T313] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   25.520250][  T313] RSP: 002b:00007ffc4b7b9d18 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   25.520461][  T313] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f9277a43bcb
[   25.520655][  T313] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   25.520851][  T313] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   25.521046][  T313] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc4b7bbf40
[   25.521242][  T313] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc4b7bc881
| [   25.546869][  T314] ------------[ cut here ]------------
| [   25.547018][  T314] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/314
| [   25.547247][  T314] Modules linked in:
| [   25.547629][  T314] Tainted: [W]=WARN
[   25.547728][  T314] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.547891][  T314] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.548060][  T314] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.548685][  T314] RSP: 0018:ffa0000000d57020 EFLAGS: 00010286
[   25.548850][  T314] RAX: 00000000ffffffa6 RBX: ff1100000c897380 RCX: 1ff40000001aadca
[   25.549045][  T314] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c89743c
[   25.549239][  T314] RBP: ff110000091a4000 R08: 1fe2200001912e89 R09: ff1100000e5c8b58
[   25.549443][  T314] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   25.549635][  T314] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.549830][  T314] FS:  00007fd9abbc3840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.550059][  T314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.550223][  T314] CR2: 000000001776c988 CR3: 000000000fc44004 CR4: 0000000000771ef0
[   25.550430][  T314] PKRU: 55555554
[   25.550527][  T314] Call Trace:
[   25.550625][  T314]  <TASK>
[   25.550693][  T314]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.550828][  T314]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.550927][  T314]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.551060][  T314]  __dev_notify_flags (net/core/dev.c:9787)
[   25.551192][  T314]  ? netif_change_name (net/core/dev.c:1495)
[   25.551323][  T314]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.551466][  T314]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.551596][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.551728][  T314]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.551863][  T314]  netif_change_flags (net/core/dev.c:9820)
[   25.551996][  T314]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.552127][  T314]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.552261][  T314]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.552402][  T314]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.552567][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.552697][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.552827][  T314]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.552960][  T314]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.553094][  T314]  ? __kernel_text_address (kernel/extable.c:79)
[   25.553225][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.553362][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.553497][  T314]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.553630][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.553760][  T314]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.553892][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.554022][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.554153][  T314]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.554284][  T314]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.554427][  T314]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.554559][  T314]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.554691][  T314]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.554824][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.554961][  T314]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.555093][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.555224][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.555361][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.555498][  T314]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.555628][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.555760][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.555892][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.556023][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.556154][  T314]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.556287][  T314]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.556428][  T314]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.556558][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.556688][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.556818][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.556954][  T314]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.557085][  T314]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.557217][  T314]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.557347][  T314]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.557489][  T314]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.557623][  T314]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.557753][  T314]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.557887][  T314]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.558020][  T314]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.558151][  T314]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.558283][  T314]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.558425][  T314]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.558556][  T314]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.558689][  T314]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.558821][  T314]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.558954][  T314]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.559114][  T314]  ? move_addr_to_kernel (net/socket.c:258)
[   25.559246][  T314]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.559380][  T314]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.559518][  T314]  ___sys_sendmsg (net/socket.c:2752)
[   25.559650][  T314]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.559814][  T314]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.559958][  T314]  __sys_sendmsg (net/socket.c:2784)
[   25.560088][  T314]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.560220][  T314]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.560389][  T314]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.560524][  T314]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.560657][  T314]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.560794][  T314]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.560926][  T314]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.561057][  T314]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.561219][  T314] RIP: 0033:0x7fd9abdfd08e
[   25.561361][  T314] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.561833][  T314] RSP: 002b:00007ffc8cbf8e40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.562033][  T314] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd9abdfd08e
[   25.562229][  T314] RDX: 0000000000000000 RSI: 00007ffc8cbf8ef0 RDI: 0000000000000005
[   25.562434][  T314] RBP: 00007ffc8cbf8e50 R08: 0000000000000000 R09: 0000000000000000
[   25.562629][  T314] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bc
[   25.562826][  T314] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc8cbf95c0
| [   25.601868][  T315] ------------[ cut here ]------------
| [   25.602022][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/315
| [   25.602261][  T315] Modules linked in:
| [   25.602653][  T315] Tainted: [W]=WARN
[   25.602755][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.602925][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.603103][  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
[   25.603597][  T315] RSP: 0018:ffa0000000d66e30 EFLAGS: 00010286
[   25.603767][  T315] RAX: 00000000ffffffa6 RBX: ff110000051d51c0 RCX: 1ff40000001acd8c
[   25.603969][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051d527c
[   25.604172][  T315] RBP: ff1100000fdc1000 R08: 1fe2200000a3aa51 R09: ff110000100f5180
[   25.604382][  T315] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.604588][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001376b800
[   25.604791][  T315] FS:  00007f90e2f5b840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.605029][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.605200][  T315] CR2: 00000000004a77b8 CR3: 0000000010300003 CR4: 0000000000771ef0
[   25.605412][  T315] PKRU: 55555554
[   25.605514][  T315] Call Trace:
[   25.605615][  T315]  <TASK>
[   25.605686][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.605823][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.605925][  T315]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   25.606096][  T315]  __dev_notify_flags (net/core/dev.c:9787)
[   25.606232][  T315]  ? netif_change_name (net/core/dev.c:1495)
[   25.606372][  T315]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.606513][  T315]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.606648][  T315]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.606784][  T315]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   25.606919][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.607056][  T315]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.607193][  T315]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.607327][  T315]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   25.607530][  T315]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   25.607668][  T315]  veth_newlink (drivers/net/veth.c:1871)
[   25.607806][  T315]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   25.607940][  T315]  ? kasan_save_stack (mm/kasan/common.c:57)
[   25.608077][  T315]  ? kasan_save_track (mm/kasan/common.c:78)
[   25.608212][  T315]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   25.608366][  T315]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   25.608560][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   25.608755][  T315]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.608890][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.609028][  T315]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   25.609167][  T315]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   25.609307][  T315]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.609504][  T315]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.609639][  T315]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.609777][  T315]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.609915][  T315]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.610056][  T315]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.610194][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.610330][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.610511][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.610646][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.610781][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.610921][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.611057][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.611192][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.611328][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.611475][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.611611][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.611749][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.611884][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.612021][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.612156][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.612292][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.612443][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.612579][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.612717][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.612853][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.612990][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.613128][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.613264][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.613407][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.613547][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.613683][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.613820][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.613989][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   25.614126][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.614263][  T315]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.614409][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   25.614544][  T315]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.614679][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.614818][  T315]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.614957][  T315]  ? 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))
[   25.615095][  T315]  __sys_sendmsg (net/socket.c:2784)
[   25.615232][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.615375][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.615523][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.615659][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.615796][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.615931][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.616066][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.616233][  T315] RIP: 0033:0x7f90e319508e
[   25.616380][  T315] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.616871][  T315] RSP: 002b:00007ffd5c770fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.617077][  T315] RAX: ffffffffffffffda RBX: 00007ffd5c771740 RCX: 00007f90e319508e
[   25.617277][  T315] RDX: 0000000000000000 RSI: 00007ffd5c771060 RDI: 0000000000000005
[   25.617489][  T315] RBP: 00007ffd5c770fc0 R08: 0000000000000000 R09: 0000000000000000
[   25.617692][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bc
[   25.617892][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5c771720
| [   25.625154][  T315] ------------[ cut here ]------------
| [   25.625304][  T315] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/315
| [   25.625555][  T315] Modules linked in:
| [   25.625933][  T315] Tainted: [W]=WARN
[   25.626034][  T315] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.626203][  T315] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.626382][  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
[   25.626865][  T315] RSP: 0018:ffa0000000d671b0 EFLAGS: 00010286
[   25.627034][  T315] RAX: 00000000ffffffa6 RBX: ff11000013077540 RCX: 1ff40000001acdfc
[   25.627235][  T315] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000130775fc
[   25.627442][  T315] RBP: ff110000100fc000 R08: 1fe220000260eec1 R09: ff110000100f5180
[   25.627640][  T315] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   25.627839][  T315] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff99403b20
[   25.628040][  T315] FS:  00007f90e2f5b840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   25.628272][  T315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.628448][  T315] CR2: 0000564634b201ad CR3: 0000000010300003 CR4: 0000000000771ef0
[   25.628649][  T315] PKRU: 55555554
[   25.628748][  T315] Call Trace:
[   25.628848][  T315]  <TASK>
[   25.628918][  T315]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.629054][  T315]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.629156][  T315]  __dev_notify_flags (net/core/dev.c:9787)
[   25.629291][  T315]  ? netif_change_name (net/core/dev.c:1495)
[   25.629438][  T315]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.629574][  T315]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   25.629709][  T315]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   25.629844][  T315]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   25.629979][  T315]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   25.630112][  T315]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.630247][  T315]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.630387][  T315]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.630530][  T315]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   25.630668][  T315]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.630803][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.630937][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.631071][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.631204][  T315]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.631335][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.631482][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.631619][  T315]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.631753][  T315]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.631886][  T315]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.632019][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.632151][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.632287][  T315]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.632430][  T315]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.632566][  T315]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.632699][  T315]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.632834][  T315]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.632971][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.633105][  T315]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.633240][  T315]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.633380][  T315]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.633519][  T315]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.633655][  T315]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.633791][  T315]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.633927][  T315]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.634061][  T315]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.634196][  T315]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.634330][  T315]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.634505][  T315]  ? move_addr_to_kernel (net/socket.c:258)
[   25.634642][  T315]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.634776][  T315]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   25.634910][  T315]  ___sys_sendmsg (net/socket.c:2752)
[   25.635043][  T315]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   25.635177][  T315]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.635315][  T315]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   25.635463][  T315]  ? 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))
[   25.635601][  T315]  __sys_sendmsg (net/socket.c:2784)
[   25.635736][  T315]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.635875][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.636009][  T315]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.636144][  T315]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.636277][  T315]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.636421][  T315]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.636555][  T315]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.636721][  T315] RIP: 0033:0x7f90e319508e
[   25.636861][  T315] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.637339][  T315] RSP: 002b:00007ffd5c770fb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.637551][  T315] RAX: ffffffffffffffda RBX: 00007ffd5c771740 RCX: 00007f90e319508e
[   25.637749][  T315] RDX: 0000000000000000 RSI: 00007ffd5c771060 RDI: 0000000000000005
[   25.637948][  T315] RBP: 00007ffd5c770fc0 R08: 0000000000000000 R09: 0000000000000000
[   25.638147][  T315] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bc
[   25.638346][  T315] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5c771720
| [   25.664392][  T316] ------------[ cut here ]------------
| [   25.665103][  T316] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/316
| [   25.665330][  T316] Modules linked in:
| [   25.665776][  T316] Tainted: [W]=WARN
[   25.665876][  T316] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.666040][  T316] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.666210][  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
[   25.666685][  T316] RSP: 0018:ffa0000000d77020 EFLAGS: 00010286
[   25.666850][  T316] RAX: 00000000ffffffa6 RBX: ff110000131843c0 RCX: 1ff40000001aedca
[   25.667044][  T316] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001318447c
[   25.667237][  T316] RBP: ff1100000fdc1000 R08: 1fe2200002630891 R09: ff110000100f2e58
[   25.667445][  T316] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   25.667645][  T316] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.667840][  T316] FS:  00007f93597ff840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.668068][  T316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.668230][  T316] CR2: 0000000019b04988 CR3: 000000000c7ef001 CR4: 0000000000771ef0
[   25.668438][  T316] PKRU: 55555554
[   25.668537][  T316] Call Trace:
[   25.668634][  T316]  <TASK>
[   25.668701][  T316]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.668834][  T316]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.668933][  T316]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.669064][  T316]  __dev_notify_flags (net/core/dev.c:9787)
[   25.669196][  T316]  ? netif_change_name (net/core/dev.c:1495)
[   25.669327][  T316]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.669470][  T316]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.669599][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.669731][  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))
[   25.669865][  T316]  netif_change_flags (net/core/dev.c:9820)
[   25.669996][  T316]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.670127][  T316]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.670261][  T316]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.670406][  T316]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.670570][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.670700][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.670832][  T316]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.670962][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.671092][  T316]  ? __kernel_text_address (kernel/extable.c:79)
[   25.671224][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.671360][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.671495][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.671627][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.671759][  T316]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.671888][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.672019][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.672150][  T316]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.672282][  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)
[   25.672422][  T316]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.672553][  T316]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.672684][  T316]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.672817][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.672952][  T316]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.673085][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.673219][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.673349][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.673575][  T316]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.673705][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.673840][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.673970][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.674101][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.674232][  T316]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.674368][  T316]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.674574][  T316]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.674705][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.674835][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.674964][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.675096][  T316]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.675226][  T316]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.675363][  T316]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.675555][  T316]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.675684][  T316]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.675818][  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))
[   25.675948][  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))
[   25.676082][  T316]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.676214][  T316]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.676344][  T316]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.676545][  T316]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.676676][  T316]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.676807][  T316]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.676940][  T316]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.677072][  T316]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.677201][  T316]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.677366][  T316]  ? move_addr_to_kernel (net/socket.c:258)
[   25.677585][  T316]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.677716][  T316]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.677848][  T316]  ___sys_sendmsg (net/socket.c:2752)
[   25.677978][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.678140][  T316]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.678284][  T316]  __sys_sendmsg (net/socket.c:2784)
[   25.678504][  T316]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.678667][  T316]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.678844][  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)
[   25.678976][  T316]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.679110][  T316]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.679242][  T316]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.679379][  T316]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.679575][  T316]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.679737][  T316] RIP: 0033:0x7f9359a3908e
[   25.679874][  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
[   25.680337][  T316] RSP: 002b:00007ffcca8d8280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.680549][  T316] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f9359a3908e
[   25.680746][  T316] RDX: 0000000000000000 RSI: 00007ffcca8d8330 RDI: 0000000000000005
[   25.680941][  T316] RBP: 00007ffcca8d8290 R08: 0000000000000000 R09: 0000000000000000
[   25.681137][  T316] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bc
[   25.681332][  T316] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcca8d89f0
| [   25.763947][  T319] ------------[ cut here ]------------
| [   25.764092][  T319] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/319
| [   25.764314][  T319] Modules linked in:
| [   25.764684][  T319] Tainted: [W]=WARN
[   25.764783][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.764942][  T319] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.765109][  T319] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.765572][  T319] RSP: 0018:ffa0000000da6ff8 EFLAGS: 00010286
[   25.765734][  T319] RAX: 00000000ffffffa6 RBX: ff11000012ca3e00 RCX: 1ff40000001b4dc5
[   25.765922][  T319] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012ca3ebc
[   25.766110][  T319] RBP: ff110000100fc000 R08: 1fe22000025947d9 R09: ff1100001310ae58
[   25.766300][  T319] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.766502][  T319] R13: 0000000000000000 R14: ffa0000000da7140 R15: ff110000132f03d0
[   25.766692][  T319] FS:  00007f7aa8b01840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.766912][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.767075][  T319] CR2: 00007f7aa8dd11a0 CR3: 000000000f152001 CR4: 0000000000771ef0
[   25.767267][  T319] PKRU: 55555554
[   25.767366][  T319] Call Trace:
[   25.767468][  T319]  <TASK>
[   25.767535][  T319]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   25.767665][  T319]  __dev_change_net_namespace (net/core/dev.c:12635)
[   25.767824][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.767951][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.768079][  T319]  ? default_device_exit_batch (net/core/dev.c:13091)
[   25.768235][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.768366][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.768502][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.768636][  T319]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.768765][  T319]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.768893][  T319]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   25.769021][  T319]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   25.769151][  T319]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.769281][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.769450][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.769577][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.769704][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.769837][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.769964][  T319]  ? __kernel_text_address (kernel/extable.c:79)
[   25.770095][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.770223][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.770349][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.770489][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.770614][  T319]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.770742][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.770869][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.770995][  T319]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.771125][  T319]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.771250][  T319]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.771380][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.771516][  T319]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.771642][  T319]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.771772][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.771901][  T319]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.772030][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.772158][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.772284][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.772420][  T319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.772547][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.772676][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.772802][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.772933][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.773063][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.773191][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.773317][  T319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.773454][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.773582][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.773709][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.773837][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.773964][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.774094][  T319]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.774221][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.774348][  T319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.774542][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.774670][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.774800][  T319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.774928][  T319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.775059][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.775188][  T319]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.775316][  T319]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.775471][  T319]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.775600][  T319]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.775729][  T319]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.775856][  T319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.776012][  T319]  ? move_addr_to_kernel (net/socket.c:258)
[   25.776142][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.776269][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.776406][  T319]  ___sys_sendmsg (net/socket.c:2752)
[   25.776534][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.776699][  T319]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.776839][  T319]  __sys_sendmsg (net/socket.c:2784)
[   25.776966][  T319]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.777095][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.777254][  T319]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.777387][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.777521][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.777649][  T319]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.777778][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.777905][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.778064][  T319] RIP: 0033:0x7f7aa8d3b08e
[   25.778199][  T319] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.778670][  T319] RSP: 002b:00007ffc46b15100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.778866][  T319] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7aa8d3b08e
[   25.779058][  T319] RDX: 0000000000000000 RSI: 00007ffc46b151b0 RDI: 0000000000000005
[   25.779248][  T319] RBP: 00007ffc46b15110 R08: 0000000000000000 R09: 0000000000000000
[   25.779450][  T319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bd
[   25.779640][  T319] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc46b15870
| [   25.782125][  T319] ------------[ cut here ]------------
| [   25.782254][  T319] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/319
| [   25.782488][  T319] Modules linked in:
| [   25.782844][  T319] Tainted: [W]=WARN
[   25.782941][  T319] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.783104][  T319] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.783277][  T319] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.783748][  T319] RSP: 0018:ffa0000000da6fc0 EFLAGS: 00010286
[   25.783910][  T319] RAX: 00000000ffffffa6 RBX: ff11000012c1f8c0 RCX: 1ff40000001b4dbe
[   25.784103][  T319] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012c1f97c
[   25.784295][  T319] RBP: ff110000100fc000 R08: 1fe2200002583f31 R09: ff1100001310ae58
[   25.784496][  T319] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.784688][  T319] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000132f03d0
[   25.784883][  T319] FS:  00007f7aa8b01840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   25.785110][  T319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.785270][  T319] CR2: 00007f7aa8dd11a0 CR3: 000000000f152001 CR4: 0000000000771ef0
[   25.785474][  T319] PKRU: 55555554
[   25.785570][  T319] Call Trace:
[   25.785666][  T319]  <TASK>
[   25.785733][  T319]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.785864][  T319]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.785995][  T319]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.786094][  T319]  __dev_change_net_namespace (net/core/dev.c:12695)
[   25.786256][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.786393][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.786530][  T319]  ? default_device_exit_batch (net/core/dev.c:13091)
[   25.786690][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.786820][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.786949][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.787080][  T319]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.787210][  T319]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   25.787340][  T319]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   25.787479][  T319]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   25.787611][  T319]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.787744][  T319]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.787906][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.788036][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.788167][  T319]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.788298][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.788442][  T319]  ? __kernel_text_address (kernel/extable.c:79)
[   25.788572][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.788706][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.788835][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.788965][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.789094][  T319]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.789223][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.789352][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.789494][  T319]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.789625][  T319]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.789757][  T319]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.789887][  T319]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.790018][  T319]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.790148][  T319]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.790279][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.790423][  T319]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.790555][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.790685][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.790815][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.790943][  T319]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.791073][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.791205][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.791334][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.791472][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.791602][  T319]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.791735][  T319]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.791865][  T319]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.791994][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.792123][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.792338][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.792477][  T319]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.792604][  T319]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.792735][  T319]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.792950][  T319]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.793081][  T319]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.793213][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.793342][  T319]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.793485][  T319]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.793616][  T319]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.793747][  T319]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.793880][  T319]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.794096][  T319]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.794228][  T319]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.794363][  T319]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.794500][  T319]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.794716][  T319]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.794876][  T319]  ? move_addr_to_kernel (net/socket.c:258)
[   25.795007][  T319]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.795137][  T319]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.795355][  T319]  ___sys_sendmsg (net/socket.c:2752)
[   25.795490][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.795650][  T319]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.795791][  T319]  __sys_sendmsg (net/socket.c:2784)
[   25.796004][  T319]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.796133][  T319]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.796298][  T319]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.796437][  T319]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.796567][  T319]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.796695][  T319]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.796823][  T319]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.797040][  T319]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.797201][  T319] RIP: 0033:0x7f7aa8d3b08e
[   25.797336][  T319] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.797896][  T319] RSP: 002b:00007ffc46b15100 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.798090][  T319] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f7aa8d3b08e
[   25.798377][  T319] RDX: 0000000000000000 RSI: 00007ffc46b151b0 RDI: 0000000000000005
[   25.798575][  T319] RBP: 00007ffc46b15110 R08: 0000000000000000 R09: 0000000000000000
[   25.798769][  T319] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bd
[   25.799048][  T319] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc46b15870
| [   25.881073][  T322] ------------[ cut here ]------------
| [   25.881225][  T322] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/322
| [   25.881469][  T322] Modules linked in:
| [   25.881834][  T322] Tainted: [W]=WARN
[   25.881932][  T322] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.882095][  T322] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.882263][  T322] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.882738][  T322] RSP: 0018:ffa0000000dc7020 EFLAGS: 00010286
[   25.882902][  T322] RAX: 00000000ffffffa6 RBX: ff11000005ec78c0 RCX: 1ff40000001b8dca
[   25.883099][  T322] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ec797c
[   25.883293][  T322] RBP: ff110000100fc000 R08: 1fe2200000bd8f31 R09: ff11000010342e58
[   25.883496][  T322] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   25.883689][  T322] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   25.883886][  T322] FS:  00007f71ed840840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.884113][  T322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.884278][  T322] CR2: 00007f71edb101a0 CR3: 000000000fc77005 CR4: 0000000000771ef0
[   25.884484][  T322] PKRU: 55555554
[   25.884582][  T322] Call Trace:
[   25.884680][  T322]  <TASK>
[   25.884747][  T322]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.884879][  T322]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.884981][  T322]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   25.885113][  T322]  __dev_notify_flags (net/core/dev.c:9787)
[   25.885245][  T322]  ? netif_change_name (net/core/dev.c:1495)
[   25.885380][  T322]  ? __dev_change_flags (net/core/dev.c:9752)
[   25.885515][  T322]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   25.885644][  T322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.885773][  T322]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   25.885907][  T322]  netif_change_flags (net/core/dev.c:9820)
[   25.886038][  T322]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   25.886171][  T322]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   25.886303][  T322]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.886442][  T322]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.886603][  T322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.886732][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.886862][  T322]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.886991][  T322]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.887121][  T322]  ? __kernel_text_address (kernel/extable.c:79)
[   25.887250][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.887387][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.887522][  T322]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.887654][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.887783][  T322]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.887911][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.888040][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.888170][  T322]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.888301][  T322]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.888528][  T322]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.888658][  T322]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.888789][  T322]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.888920][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.889051][  T322]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.889183][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.889312][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.889513][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.889643][  T322]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.889772][  T322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.889905][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.890034][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.890163][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.890293][  T322]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.890515][  T322]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.890730][  T322]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.890860][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.890989][  T322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.891118][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.891252][  T322]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.891386][  T322]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.891602][  T322]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.891735][  T322]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.891864][  T322]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.891999][  T322]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.892130][  T322]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.892262][  T322]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.892426][  T322]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.892557][  T322]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.892688][  T322]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.892819][  T322]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.892949][  T322]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.893081][  T322]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.893213][  T322]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.893342][  T322]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.893511][  T322]  ? move_addr_to_kernel (net/socket.c:258)
[   25.893642][  T322]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.893772][  T322]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.893904][  T322]  ___sys_sendmsg (net/socket.c:2752)
[   25.894033][  T322]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.894195][  T322]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.894337][  T322]  __sys_sendmsg (net/socket.c:2784)
[   25.894476][  T322]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.894607][  T322]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.894772][  T322]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.894903][  T322]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.895034][  T322]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.895164][  T322]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.895295][  T322]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.895435][  T322]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.895597][  T322] RIP: 0033:0x7f71eda7a08e
[   25.895732][  T322] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.896194][  T322] RSP: 002b:00007ffc0d285780 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.896393][  T322] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f71eda7a08e
[   25.896593][  T322] RDX: 0000000000000000 RSI: 00007ffc0d285830 RDI: 0000000000000005
[   25.896786][  T322] RBP: 00007ffc0d285790 R08: 0000000000000000 R09: 0000000000000000
[   25.896979][  T322] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bd
[   25.897172][  T322] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0d285f00
| [   25.899601][   T39] ------------[ cut here ]------------
| [   25.899728][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/39
| [   25.899960][   T39] Modules linked in:
| [   25.900325][   T39] Tainted: [W]=WARN
[   25.900921][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.901073][   T39] Workqueue: events_unbound linkwatch_event
[   25.901241][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.901495][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.901924][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   25.902075][   T39] RAX: 00000000ffffffa6 RBX: ff11000005ec71c0 RCX: 1ff4000000057f02
[   25.902254][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ec727c
[   25.902509][   T39] RBP: ff110000100fc000 R08: 1fe2200000bd8e51 R09: ff11000001da51a8
[   25.902689][   T39] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   25.902866][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.903089][   T39] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.903296][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.903514][   T39] CR2: 00007f71edb101a0 CR3: 000000004c54d006 CR4: 0000000000771ef0
[   25.903735][   T39] PKRU: 55555554
[   25.903825][   T39] Call Trace:
[   25.903919][   T39]  <TASK>
[   25.903980][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.904100][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.904219][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.904311][   T39]  netif_state_change (net/core/dev.c:1605)
[   25.904445][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.904595][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   25.904713][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.904833][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.904954][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.905074][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   25.905194][   T39]  process_one_work (kernel/workqueue.c:3314)
[   25.905316][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.905447][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.905570][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.905693][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.905811][   T39]  kthread (kernel/kthread.c:436)
[   25.905905][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.906052][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.906170][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.906292][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.906450][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.906569][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.906692][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.908414][   T39] ------------[ cut here ]------------
| [   25.908583][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   25.908866][   T39] Modules linked in:
| [   25.909378][   T39] Tainted: [W]=WARN
[   25.909531][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.909728][   T39] Workqueue: events_unbound linkwatch_event
[   25.909929][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.910130][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.910643][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   25.910839][   T39] RAX: 00000000ffffffa6 RBX: ff1100000b83c200 RCX: 1ff4000000057f02
[   25.911065][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b83c2bc
[   25.911289][   T39] RBP: ff1100000fdc1000 R08: 1fe2200001707859 R09: ff11000001da51a8
[   25.911539][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   25.911761][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.912019][   T39] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   25.912274][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.912496][   T39] CR2: 0000564634c6bd5c CR3: 000000004c54d001 CR4: 0000000000771ef0
[   25.912720][   T39] PKRU: 55555554
[   25.912856][   T39] Call Trace:
[   25.912992][   T39]  <TASK>
[   25.913100][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.913270][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.913459][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.913603][   T39]  netif_state_change (net/core/dev.c:1605)
[   25.913772][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.913970][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   25.914136][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.914303][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.914491][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.914661][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   25.914832][   T39]  process_one_work (kernel/workqueue.c:3314)
[   25.915003][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.915169][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.915340][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.915534][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.915699][   T39]  kthread (kernel/kthread.c:436)
[   25.915835][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.916031][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.916198][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.916372][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.916581][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.916746][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.916912][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.964601][  T323] ------------[ cut here ]------------
| [   25.964758][  T323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/323
| [   25.965002][  T323] Modules linked in:
| [   25.965391][  T323] Tainted: [W]=WARN
[   25.965502][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.965672][  T323] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.965851][  T323] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.966336][  T323] RSP: 0018:ffa0000000be6e90 EFLAGS: 00010286
[   25.966520][  T323] RAX: 00000000ffffffa6 RBX: ff11000001e66580 RCX: 1ff400000017cd98
[   25.966725][  T323] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e6663c
[   25.966929][  T323] RBP: ff1100000fdc1000 R08: 1fe22000003cccc9 R09: ff11000010345158
[   25.967133][  T323] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   25.967336][  T323] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   25.967552][  T323] FS:  00007f6a4de7d840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.967793][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.967964][  T323] CR2: 0000000001cee3b8 CR3: 0000000004af8002 CR4: 0000000000771ef0
[   25.968170][  T323] PKRU: 55555554
[   25.968271][  T323] Call Trace:
[   25.968379][  T323]  <TASK>
[   25.968455][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.968595][  T323]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   25.968732][  T323]  notifier_call_chain (kernel/notifier.c:85)
[   25.968870][  T323]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   25.969008][  T323]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   25.969179][  T323]  veth_xdp_set (drivers/net/veth.c:1638)
[   25.969320][  T323]  ? veth_xdp_set (drivers/net/veth.c:1608 (discriminator 2))
[   25.969464][  T323]  dev_xdp_install (net/core/dev.c:10348)
[   25.969601][  T323]  ? netif_set_xps_queue (net/core/dev.c:3063)
[   25.969743][  T323]  dev_xdp_attach (net/core/dev.c:10504)
[   25.969879][  T323]  ? __bpf_prog_get (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:2013 kernel/bpf/syscall.c:2550 kernel/bpf/syscall.c:2598)
[   25.970018][  T323]  ? bpf_xdp_link_update (./include/net/netdev_lock.h:33)
[   25.970154][  T323]  ? __bpf_prog_get (kernel/bpf/syscall.c:2550)
[   25.970291][  T323]  dev_change_xdp_fd (net/core/dev.c:10759)
[   25.970440][  T323]  do_setlink.isra.0 (net/core/rtnetlink.c:3440 (discriminator 1))
[   25.970579][  T323]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.970718][  T323]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.970889][  T323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.971025][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.971161][  T323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.971296][  T323]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.971441][  T323]  ? __kernel_text_address (kernel/extable.c:79)
[   25.971578][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.971720][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.971856][  T323]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.971991][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.972127][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.972263][  T323]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   25.972408][  T323]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   25.972545][  T323]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   25.972683][  T323]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   25.972823][  T323]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   25.972958][  T323]  ? nla_get_range_signed (lib/nlattr.c:270)
[   25.973097][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   25.973238][  T323]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   25.973381][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.973523][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.973659][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.973797][  T323]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.973932][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.974071][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.974206][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.974342][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.974492][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.974629][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   25.974766][  T323]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.974904][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.975040][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.975178][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.975318][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.975464][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.975601][  T323]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.975737][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   25.975873][  T323]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.976016][  T323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.976152][  T323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.976291][  T323]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.976437][  T323]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.976575][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.976712][  T323]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.976851][  T323]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.976990][  T323]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.977130][  T323]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.977266][  T323]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.977412][  T323]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.977581][  T323]  ? move_addr_to_kernel (net/socket.c:258)
[   25.977719][  T323]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.977856][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.977996][  T323]  ___sys_sendmsg (net/socket.c:2752)
[   25.978133][  T323]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.978302][  T323]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.978458][  T323]  __sys_sendmsg (net/socket.c:2784)
[   25.978595][  T323]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.978730][  T323]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.978901][  T323]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.979041][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.979179][  T323]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.979315][  T323]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.979462][  T323]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.979598][  T323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.979781][  T323] RIP: 0033:0x7f6a4e0b708e
[   25.979925][  T323] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.980420][  T323] RSP: 002b:00007ffc2bd0ccf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.980624][  T323] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6a4e0b708e
[   25.980828][  T323] RDX: 0000000000000000 RSI: 00007ffc2bd0cda0 RDI: 0000000000000005
[   25.981031][  T323] RBP: 00007ffc2bd0cd00 R08: 0000000000000000 R09: 0000000000000000
[   25.981239][  T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bd
[   25.981453][  T323] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2bd0d470
| [   25.992483][  T323] ------------[ cut here ]------------
| [   25.992620][  T323] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/323
| [   25.992843][  T323] Modules linked in:
| [   25.993200][  T323] Tainted: [W]=WARN
[   25.993298][  T323] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.994372][  T323] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.994706][  T323] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.995168][  T323] RSP: 0018:ffa0000000be70a0 EFLAGS: 00010286
[   25.995329][  T323] RAX: 00000000ffffffa6 RBX: ff11000001e663c0 RCX: 1ff400000017cdda
[   25.995623][  T323] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e6647c
[   25.995815][  T323] RBP: ff110000100fc000 R08: 1fe22000003ccc91 R09: ff11000010345158
[   25.996006][  T323] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   25.996198][  T323] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f185564
[   25.996453][  T323] FS:  00007f6a4de7d840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   25.996679][  T323] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.996840][  T323] CR2: 0000000001cee3b8 CR3: 0000000004af8002 CR4: 0000000000771ef0
[   25.997034][  T323] PKRU: 55555554
[   25.997130][  T323] Call Trace:
[   25.997226][  T323]  <TASK>
[   25.997292][  T323]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.997482][  T323]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.997610][  T323]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.997708][  T323]  netif_state_change (net/core/dev.c:1605)
[   25.997838][  T323]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.998000][  T323]  ? dev_change_xdp_fd (net/core/dev.c:10759)
[   25.998129][  T323]  do_setlink.isra.0 (net/core/rtnetlink.c:3453)
[   25.998260][  T323]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   25.998428][  T323]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   25.998589][  T323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   25.998717][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.998847][  T323]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   25.998976][  T323]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.999106][  T323]  ? __kernel_text_address (kernel/extable.c:79)
[   25.999238][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.999375][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.999509][  T323]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.999639][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.999768][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.999897][  T323]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.000027][  T323]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.000157][  T323]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.000285][  T323]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.000427][  T323]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.000556][  T323]  ? nla_get_range_signed (lib/nlattr.c:270)
[   26.000686][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.000820][  T323]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.000953][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.001080][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.001208][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.001337][  T323]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.001471][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.001601][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.001730][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.001860][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.001988][  T323]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.002118][  T323]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.002246][  T323]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.002379][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.002512][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.002644][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.002775][  T323]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.002903][  T323]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.003032][  T323]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.003159][  T323]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   26.003288][  T323]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.003429][  T323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.003559][  T323]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.003689][  T323]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.003820][  T323]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.003948][  T323]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.004079][  T323]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.004208][  T323]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.004339][  T323]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.004476][  T323]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.004605][  T323]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.004734][  T323]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.004893][  T323]  ? move_addr_to_kernel (net/socket.c:258)
[   26.005022][  T323]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.005152][  T323]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.005281][  T323]  ___sys_sendmsg (net/socket.c:2752)
[   26.005419][  T323]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.005579][  T323]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.005722][  T323]  __sys_sendmsg (net/socket.c:2784)
[   26.005851][  T323]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.005979][  T323]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.006143][  T323]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.006272][  T323]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.006411][  T323]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.006540][  T323]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.006668][  T323]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.006798][  T323]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.006959][  T323] RIP: 0033:0x7f6a4e0b708e
[   26.007093][  T323] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.007563][  T323] RSP: 002b:00007ffc2bd0ccf0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.007761][  T323] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f6a4e0b708e
[   26.007953][  T323] RDX: 0000000000000000 RSI: 00007ffc2bd0cda0 RDI: 0000000000000005
[   26.008145][  T323] RBP: 00007ffc2bd0cd00 R08: 0000000000000000 R09: 0000000000000000
[   26.008338][  T323] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6bd
[   26.008546][  T323] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc2bd0d470
| [   30.187834][   T12] ------------[ cut here ]------------
| [   30.188000][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   30.188241][   T12] Modules linked in:
| [   30.188635][   T12] Tainted: [W]=WARN
[   30.188725][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.188874][   T12] Workqueue: netns cleanup_net
[   30.188999][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.189153][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.189635][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.189803][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b839a80 RCX: 1ff4000000018eed
[   30.189978][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b839b3c
[   30.190156][   T12] RBP: ff11000012d34000 R08: 1fe2200001707369 R09: ff11000001aed1d0
[   30.190331][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.190526][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.190704][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.190911][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.191059][   T12] CR2: 000056465a470438 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   30.191239][   T12] PKRU: 55555554
[   30.191327][   T12] Call Trace:
[   30.191427][   T12]  <TASK>
[   30.191491][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.191642][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.191792][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.191915][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.192035][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.192155][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.192293][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.192423][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.192543][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.192691][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.192812][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.192929][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.193044][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.193162][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.193279][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.193410][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.193531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.193647][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.193770][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.193896][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.194016][   T12]  kthread (kernel/kthread.c:436)
[   30.194105][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.194250][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.194371][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.194493][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.194638][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.194756][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.194873][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.197393][   T12] ------------[ cut here ]------------
| [   30.197521][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   30.197753][   T12] Modules linked in:
| [   30.198111][   T12] Tainted: [W]=WARN
[   30.198200][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.198350][   T12] Workqueue: netns cleanup_net
[   30.198484][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.198637][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.199081][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.199231][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b838040 RCX: 1ff4000000018eed
[   30.199416][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8380fc
[   30.199590][   T12] RBP: ff1100000fa99000 R08: 1fe2200001707021 R09: ff11000001aed1d0
[   30.199766][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.200018][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.200211][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.200487][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.200637][   T12] CR2: 000056465a470438 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   30.200813][   T12] PKRU: 55555554
[   30.200904][   T12] Call Trace:
[   30.200995][   T12]  <TASK>
[   30.201058][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.201214][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.201364][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.201522][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.201641][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.201763][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.201883][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.202004][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.202129][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.202245][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.202364][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.202490][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.202605][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.202723][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.202839][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.202957][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.203079][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.203195][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.203318][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.203453][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.203570][   T12]  kthread (kernel/kthread.c:436)
[   30.203657][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.203803][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.203920][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.204038][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.204193][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.204308][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.204434][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.207072][   T12] ------------[ cut here ]------------
| [   30.207208][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   30.207524][   T12] Modules linked in:
| [   30.207885][   T12] Tainted: [W]=WARN
[   30.207973][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.208120][   T12] Workqueue: netns cleanup_net
[   30.208243][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.208467][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.208982][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.209131][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b839540 RCX: 1ff4000000018eed
[   30.209309][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b8395fc
[   30.209540][   T12] RBP: ff1100000b9e9000 R08: 1fe22000017072c1 R09: ff11000001aed1d0
[   30.209718][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.209891][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.210066][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.210270][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.210475][   T12] CR2: 000056465a470438 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   30.210652][   T12] PKRU: 55555554
[   30.210739][   T12] Call Trace:
[   30.210827][   T12]  <TASK>
[   30.210891][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.211042][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.211188][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.211307][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.211479][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.211595][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.211715][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.211833][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.211953][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.212070][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.212194][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.212312][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.212480][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.212598][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.212719][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.212838][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.212959][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.213078][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.213200][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.213321][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.213492][   T12]  kthread (kernel/kthread.c:436)
[   30.213580][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.213725][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.213844][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.213962][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.214107][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.214225][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.214341][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.217406][   T12] ------------[ cut here ]------------
| [   30.217540][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   30.217775][   T12] Modules linked in:
| [   30.218134][   T12] Tainted: [W]=WARN
[   30.218222][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.218374][   T12] Workqueue: netns cleanup_net
[   30.218508][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.218662][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.219087][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.219239][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b839e00 RCX: 1ff4000000018eed
[   30.219434][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b839ebc
[   30.219618][   T12] RBP: ff1100000f349000 R08: 1fe22000017073d9 R09: ff11000001aed1d0
[   30.219795][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.219970][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.220146][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   30.220355][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.220516][   T12] CR2: 000055fff40f5d5c CR3: 000000001025d004 CR4: 0000000000771ef0
[   30.220692][   T12] PKRU: 55555554
[   30.220779][   T12] Call Trace:
[   30.220869][   T12]  <TASK>
[   30.220932][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.221082][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.221235][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.221356][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.221489][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.221608][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.221728][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.221849][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.221969][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.222088][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.222209][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.222329][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.222458][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.222577][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.222696][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.222816][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.222938][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.223057][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.223180][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.223301][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.223429][   T12]  kthread (kernel/kthread.c:436)
[   30.223517][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.223666][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.223784][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.223903][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.224051][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.224167][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.224285][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.226247][   T12] ------------[ cut here ]------------
| [   30.226362][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   30.227003][   T12] Modules linked in:
| [   30.227361][   T12] Tainted: [W]=WARN
[   30.227504][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.227672][   T12] Workqueue: netns cleanup_net
[   30.227795][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.227946][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.228376][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.228529][   T12] RAX: 00000000ffffffa6 RBX: ff1100000daa3a80 RCX: 1ff4000000018eed
[   30.228704][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa3b3c
[   30.228878][   T12] RBP: ff1100000f911000 R08: 1fe2200001b54769 R09: ff11000001aed1d0
[   30.229053][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.229231][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.229481][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   30.229692][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.229840][   T12] CR2: 000055fff40f5d5c CR3: 000000001025d004 CR4: 0000000000771ef0
[   30.230020][   T12] PKRU: 55555554
[   30.230113][   T12] Call Trace:
[   30.230203][   T12]  <TASK>
[   30.230265][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.230429][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.230575][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.230692][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.230809][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.230928][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.231047][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.231166][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.231284][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.231418][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.231539][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.231663][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.231779][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.231900][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.232016][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.232138][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.232259][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.232380][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.232511][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.232633][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.232749][   T12]  kthread (kernel/kthread.c:436)
[   30.232837][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.232984][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.233103][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.233221][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.233372][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.233562][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.233678][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.250383][   T12] ------------[ cut here ]------------
| [   30.250524][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   30.250770][   T12] Modules linked in:
| [   30.251150][   T12] Tainted: [W]=WARN
[   30.251245][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.251409][   T12] Workqueue: netns cleanup_net
[   30.251538][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.251699][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.252145][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   30.252303][   T12] RAX: 00000000ffffffa6 RBX: ff1100000daa2040 RCX: 1ff4000000018eaf
[   30.252500][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daa20fc
[   30.252685][   T12] RBP: ff110000100fc000 R08: 1fe2200001b54421 R09: ff11000001aed1d0
[   30.252870][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   30.253053][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fdc1000
[   30.253239][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   30.253471][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.253628][   T12] CR2: 000055fff40f5d5c CR3: 000000001025d004 CR4: 0000000000771ef0
[   30.253816][   T12] PKRU: 55555554
[   30.253908][   T12] Call Trace:
[   30.254001][   T12]  <TASK>
[   30.254066][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.254192][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.254287][   T12]  netif_close_many (net/core/dev.c:1804)
[   30.254424][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.254547][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.254673][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.254798][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   30.254925][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.255081][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.255237][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.255364][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.255529][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.255655][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.255779][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.255935][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.256064][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.256191][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.256318][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.256453][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.256583][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.256711][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.256836][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.256965][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.257091][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.257215][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.257342][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.257475][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.257603][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.257733][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.257859][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.257990][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.258118][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.258244][   T12]  kthread (kernel/kthread.c:436)
[   30.258340][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.258504][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.258631][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.258755][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.258913][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.259039][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.259167][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.261538][   T12] ------------[ cut here ]------------
| [   30.261666][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   30.261912][   T12] Modules linked in:
| [   30.262291][   T12] Tainted: [W]=WARN
[   30.262391][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.262984][   T12] Workqueue: netns cleanup_net
[   30.263117][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.263280][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.263787][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   30.263943][   T12] RAX: 00000000ffffffa6 RBX: ff1100001360e040 RCX: 1ff4000000018eaf
[   30.264130][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001360e0fc
[   30.265710][   T12] RBP: ff1100000fdc1000 R08: 1fe22000026c1c21 R09: ff11000001aed1d0
[   30.265916][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   30.266101][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000091a4000
[   30.266292][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   30.266577][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.266739][   T12] CR2: 000055fff40f5d5c CR3: 000000004c54d002 CR4: 0000000000771ef0
[   30.266924][   T12] PKRU: 55555554
[   30.267016][   T12] Call Trace:
[   30.267110][   T12]  <TASK>
[   30.267177][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.267301][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.267483][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.267577][   T12]  netif_close_many (net/core/dev.c:1804)
[   30.267699][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.267826][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.267948][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.268074][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   30.268197][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.268351][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.268563][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.268687][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.268838][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.268961][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.269087][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.269241][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.269371][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.269546][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.269670][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.269793][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.269919][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.270045][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.270167][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.270293][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.270472][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.270595][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.270720][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.270842][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.270966][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.271096][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.271219][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.271347][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.271532][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.271668][   T12]  kthread (kernel/kthread.c:436)
[   30.271760][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.271913][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.272039][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.272164][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.272320][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.272453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.272576][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.274988][   T12] ------------[ cut here ]------------
| [   30.275113][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   30.275354][   T12] Modules linked in:
| [   30.276324][   T12] Tainted: [W]=WARN
[   30.276507][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.276664][   T12] Workqueue: netns cleanup_net
[   30.276793][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.276954][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.277470][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   30.277626][   T12] RAX: 00000000ffffffa6 RBX: ff110000133ed8c0 RCX: 1ff4000000018eaf
[   30.277811][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000133ed97c
[   30.277997][   T12] RBP: ff110000091a4000 R08: 1fe220000267db31 R09: ff11000001aed1d0
[   30.278261][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   30.278505][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   30.278691][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   30.278908][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.279067][   T12] CR2: 000055fff40f5d5c CR3: 000000004c54d002 CR4: 0000000000771ef0
[   30.279252][   T12] PKRU: 55555554
[   30.279346][   T12] Call Trace:
[   30.279496][   T12]  <TASK>
[   30.279562][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.279687][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.279810][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.279908][   T12]  netif_close_many (net/core/dev.c:1804)
[   30.280033][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.280156][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.280281][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.280458][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   30.280583][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.280739][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.280895][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.281022][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.281178][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.281301][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.281483][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.281638][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   30.281766][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.281892][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.282018][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.282143][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.282268][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.282454][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.282578][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.282706][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.282830][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.282957][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.283082][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.283205][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.283330][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.283519][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.283643][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.283771][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.283899][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.284022][   T12]  kthread (kernel/kthread.c:436)
[   30.284117][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.284271][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.284454][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.284583][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.284738][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.284863][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.284993][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.295031][   T12] ------------[ cut here ]------------
| [   30.295172][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.295821][   T12] Modules linked in:
| [   30.296189][   T12] Tainted: [W]=WARN
[   30.296279][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.296442][   T12] Workqueue: netns cleanup_net
[   30.296576][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.296732][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.297162][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   30.297312][   T12] RAX: 00000000ffffffa6 RBX: ff110000133ec900 RCX: 1ff4000000018ed5
[   30.297502][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000133ec9bc
[   30.297681][   T12] RBP: ff110000100fc000 R08: 1fe220000267d939 R09: ff11000001aed1d0
[   30.297864][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.298042][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.298223][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.298449][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.298600][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.298782][   T12] PKRU: 55555554
[   30.298872][   T12] Call Trace:
[   30.298963][   T12]  <TASK>
[   30.299026][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.299178][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.299326][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.299461][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.299581][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.299734][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.299855][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.299977][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.300098][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.300219][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.300341][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.300468][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.300595][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.300717][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.300838][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.300959][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.301078][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.301201][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.301324][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.301464][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.301588][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.301712][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.301833][   T12]  kthread (kernel/kthread.c:436)
[   30.301925][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.302078][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.302198][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.302318][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.302476][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.302596][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.302723][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.305117][   T12] ------------[ cut here ]------------
| [   30.305238][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.305488][   T12] Modules linked in:
| [   30.305851][   T12] Tainted: [W]=WARN
[   30.305942][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.306093][   T12] Workqueue: netns cleanup_net
[   30.306224][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.306384][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.306816][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   30.306966][   T12] RAX: 00000000ffffffa6 RBX: ff110000133ec3c0 RCX: 1ff4000000018ed5
[   30.307147][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000133ec47c
[   30.307326][   T12] RBP: ff1100000fdc1000 R08: 1fe220000267d891 R09: ff11000001aed1d0
[   30.307523][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.307706][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.307889][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.308098][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.308247][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.308438][   T12] PKRU: 55555554
[   30.308528][   T12] Call Trace:
[   30.308618][   T12]  <TASK>
[   30.308681][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.308834][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.308988][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.309113][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.309232][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.309389][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.309516][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.309640][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.309761][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.309884][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.310010][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.310131][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.310254][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.310379][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.310506][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.310628][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.310746][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.310871][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.310994][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.311115][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.311239][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.311362][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.311493][   T12]  kthread (kernel/kthread.c:436)
[   30.311583][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.311734][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.311854][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.311973][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.312121][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.312240][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.312362][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.315915][   T12] ------------[ cut here ]------------
| [   30.316040][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.316278][   T12] Modules linked in:
| [   30.316653][   T12] Tainted: [W]=WARN
[   30.316743][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.316895][   T12] Workqueue: netns cleanup_net
[   30.317021][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.317176][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.317609][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   30.317761][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c528900 RCX: 1ff4000000018ed5
[   30.317944][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5289bc
[   30.318123][   T12] RBP: ff110000091a4000 R08: 1fe22000018a5139 R09: ff11000001aed1d0
[   30.318299][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.318487][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.318670][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.318878][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.319029][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.319215][   T12] PKRU: 55555554
[   30.319304][   T12] Call Trace:
[   30.319406][   T12]  <TASK>
[   30.319469][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.319626][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.319775][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.319894][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.320013][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   30.320170][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.320294][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.320425][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.320545][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.320666][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.320790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.320910][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.321032][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.321152][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.321273][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.321405][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.321525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.321646][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.321769][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.321889][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.322014][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.322141][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.322261][   T12]  kthread (kernel/kthread.c:436)
[   30.322350][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.322511][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.322631][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.322756][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.322905][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.323030][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.323152][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.362391][   T12] ------------[ cut here ]------------
| [   30.362542][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.362804][   T12] Modules linked in:
| [   30.363180][   T12] Tainted: [W]=WARN
[   30.363269][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.363432][   T12] Workqueue: netns cleanup_net
[   30.363555][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.363725][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.364150][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.364300][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c529380 RCX: 1ff4000000018eed
[   30.364493][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c52943c
[   30.364668][   T12] RBP: ff1100000a844000 R08: 1fe22000018a5289 R09: ff11000001aed1d0
[   30.364843][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.365023][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.365202][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.365417][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.365564][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.365741][   T12] PKRU: 55555554
[   30.365828][   T12] Call Trace:
[   30.365915][   T12]  <TASK>
[   30.365976][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.366128][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.366275][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.366405][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.366525][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.366643][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.366761][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.366878][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.367016][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.367134][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.367254][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.367378][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.367502][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.367622][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.367738][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.367857][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.367979][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.368098][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.368224][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.368350][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.368479][   T12]  kthread (kernel/kthread.c:436)
[   30.368568][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.368714][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.368834][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.368957][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.369107][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.369224][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.369343][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.371547][   T12] ------------[ cut here ]------------
| [   30.371665][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.371893][   T12] Modules linked in:
| [   30.372251][   T12] Tainted: [W]=WARN
[   30.372338][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.372494][   T12] Workqueue: netns cleanup_net
[   30.372616][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.372768][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.373190][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.373338][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c528ac0 RCX: 1ff4000000018eed
[   30.373521][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c528b7c
[   30.373698][   T12] RBP: ff1100000f87c000 R08: 1fe22000018a5171 R09: ff11000001aed1d0
[   30.373873][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.374048][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.374226][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.374444][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.374593][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.374776][   T12] PKRU: 55555554
[   30.374864][   T12] Call Trace:
[   30.374953][   T12]  <TASK>
[   30.375013][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.375164][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.375309][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.375438][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.375561][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.375682][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.375801][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.375921][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.376040][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.376159][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.376286][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.376420][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.376539][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.376658][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.376777][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.376897][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.377019][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.377137][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.377261][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.377387][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.377510][   T12]  kthread (kernel/kthread.c:436)
[   30.377600][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.377746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.377863][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.377980][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.378129][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.378251][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.378374][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.380518][   T12] ------------[ cut here ]------------
| [   30.380637][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.380865][   T12] Modules linked in:
| [   30.381219][   T12] Tainted: [W]=WARN
[   30.381309][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.381466][   T12] Workqueue: netns cleanup_net
[   30.381587][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.381739][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.382162][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.382314][   T12] RAX: 00000000ffffffa6 RBX: ff1100001317f000 RCX: 1ff4000000018eed
[   30.382501][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001317f0bc
[   30.382676][   T12] RBP: ff1100000a894000 R08: 1fe220000262fe19 R09: ff11000001aed1d0
[   30.382856][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.383032][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.383208][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.383430][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.383577][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.383754][   T12] PKRU: 55555554
[   30.383841][   T12] Call Trace:
[   30.383928][   T12]  <TASK>
[   30.383989][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.384139][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.384284][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.384408][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.384527][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.384645][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.384763][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.384881][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.385002][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.385125][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.385246][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.385363][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.385492][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.385613][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.385730][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.385849][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.385972][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.386090][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.386218][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.386341][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.386471][   T12]  kthread (kernel/kthread.c:436)
[   30.386559][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.386704][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.386822][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.386938][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.387086][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.387209][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.387329][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.389598][   T12] ------------[ cut here ]------------
| [   30.389715][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.389946][   T12] Modules linked in:
| [   30.390383][   T12] Tainted: [W]=WARN
[   30.390482][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.390710][   T12] Workqueue: netns cleanup_net
[   30.390835][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.390988][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.391493][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.391641][   T12] RAX: 00000000ffffffa6 RBX: ff1100001317eac0 RCX: 1ff4000000018eed
[   30.391897][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001317eb7c
[   30.392074][   T12] RBP: ff110000094ac000 R08: 1fe220000262fd71 R09: ff11000001aed1d0
[   30.392321][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.392504][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.392683][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.392961][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.393106][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.393287][   T12] PKRU: 55555554
[   30.393457][   T12] Call Trace:
[   30.393546][   T12]  <TASK>
[   30.393609][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.393760][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.393977][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.394093][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.394212][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.394333][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.394461][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.394580][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.394702][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.394820][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.395013][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.395133][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.395251][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.395375][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.395567][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.395688][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.395811][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.395930][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.396124][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.396250][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.396378][   T12]  kthread (kernel/kthread.c:436)
[   30.396473][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.396691][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.396809][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.396927][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.397076][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.397268][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.397390][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.399923][   T12] ------------[ cut here ]------------
| [   30.400040][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   30.400341][   T12] Modules linked in:
| [   30.400784][   T12] Tainted: [W]=WARN
[   30.400872][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.401019][   T12] Workqueue: netns cleanup_net
[   30.401140][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.401375][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.401873][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   30.402026][   T12] RAX: 00000000ffffffa6 RBX: ff1100001317e3c0 RCX: 1ff4000000018eed
[   30.402200][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001317e47c
[   30.402459][   T12] RBP: ff11000009824000 R08: 1fe220000262fc91 R09: ff11000001aed1d0
[   30.402635][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.402809][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.403061][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.403267][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.403423][   T12] CR2: 000055fd4197ad5c CR3: 000000004c54d005 CR4: 0000000000771ef0
[   30.403599][   T12] PKRU: 55555554
[   30.403685][   T12] Call Trace:
[   30.403773][   T12]  <TASK>
[   30.403835][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.404058][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.404205][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   30.404323][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   30.404451][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.404567][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   30.404684][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.404805][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   30.404997][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.405115][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.405238][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.405361][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.405559][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.405676][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.405793][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.405913][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.406111][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.406230][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.406355][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.406489][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.406677][   T12]  kthread (kernel/kthread.c:436)
[   30.406766][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.406912][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.407029][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.407217][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.407377][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.407500][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.407617][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.428136][  T340] ------------[ cut here ]------------
| [   30.428287][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/340
| [   30.428532][  T340] Modules linked in:
| [   30.428903][  T340] Tainted: [W]=WARN
[   30.429006][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.429172][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.429344][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.429822][  T340] RSP: 0018:ffa0000000dc7a80 EFLAGS: 00010286
[   30.429991][  T340] RAX: 00000000ffffffa6 RBX: ff110000132bda80 RCX: 1ff40000001b8f16
[   30.430188][  T340] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132bdb3c
[   30.430388][  T340] RBP: ff11000008f14000 R08: 1fe2200002657b69 R09: ff1100000e51ae80
[   30.430589][  T340] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.430789][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f14000
[   30.430989][  T340] FS:  00007fe1e34ab840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.431221][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.431399][  T340] CR2: 000055fd4197ad5c CR3: 000000000bd2f003 CR4: 0000000000771ef0
[   30.431599][  T340] PKRU: 55555554
[   30.431698][  T340] Call Trace:
[   30.431796][  T340]  <TASK>
[   30.431865][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.431997][  T340]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.432129][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.432231][  T340]  register_netdevice (net/core/dev.c:11488)
[   30.432365][  T340]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.432539][  T340]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.432673][  T340]  register_netdev (net/core/dev.c:11552)
[   30.432805][  T340]  loopback_net_init (drivers/net/loopback.c:218)
[   30.432941][  T340]  ops_init (net/core/net_namespace.c:137)
[   30.433042][  T340]  setup_net (net/core/net_namespace.c:446)
[   30.433143][  T340]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.433275][  T340]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.433471][  T340]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.433611][  T340]  copy_net_ns (net/core/net_namespace.c:579)
[   30.433744][  T340]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.433878][  T340]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.434011][  T340]  ksys_unshare (kernel/fork.c:3243)
[   30.434145][  T340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.434280][  T340]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.434475][  T340]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.434609][  T340]  ? __ia32_sys_open (fs/open.c:1374)
[   30.434743][  T340]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.434877][  T340]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.435010][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.435142][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.435274][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.435466][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.435632][  T340] RIP: 0033:0x7fe1e376dbcb
[   30.435770][  T340] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.436240][  T340] RSP: 002b:00007ffdb2103b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.436497][  T340] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1e376dbcb
[   30.436697][  T340] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.436893][  T340] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.437091][  T340] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb2105d70
[   30.437286][  T340] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb2106886
| [   30.439018][   T12] ------------[ cut here ]------------
| [   30.439154][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   30.439421][   T12] Modules linked in:
| [   30.439806][   T12] Tainted: [W]=WARN
[   30.439901][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.440056][   T12] Workqueue: netns cleanup_net
[   30.440186][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.440352][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.440807][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   30.440964][   T12] RAX: 00000000ffffffa6 RBX: ff110000132bd380 RCX: 1ff4000000018eaf
[   30.441151][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132bd43c
[   30.441335][   T12] RBP: ff110000059fc000 R08: 1fe2200002657a89 R09: ff11000001aed1d0
[   30.441530][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   30.441715][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   30.441904][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.442137][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.442294][   T12] CR2: 00007f22ee904c40 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   30.442500][   T12] PKRU: 55555554
[   30.442593][   T12] Call Trace:
[   30.442686][   T12]  <TASK>
[   30.442752][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.442881][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.442976][   T12]  netif_close_many (net/core/dev.c:1804)
[   30.443101][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.443225][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   30.443349][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   30.443517][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   30.443679][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   30.443806][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   30.443930][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   30.444054][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.444211][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.444338][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.444471][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.444597][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.444724][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.444851][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.444977][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.445101][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.445228][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.445353][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.445489][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.445618][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.445742][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.445867][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.445996][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.446122][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.446251][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.446384][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.446515][   T12]  kthread (kernel/kthread.c:436)
[   30.446611][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.446766][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.446892][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.447017][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.447172][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.447297][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.447505][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.450058][   T12] ------------[ cut here ]------------
| [   30.450183][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   30.450436][   T12] Modules linked in:
| [   30.450796][   T12] Tainted: [W]=WARN
[   30.450887][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.451035][   T12] Workqueue: netns cleanup_net
[   30.451170][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.451328][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.451760][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   30.451911][   T12] RAX: 00000000ffffffa6 RBX: ff110000132bc580 RCX: 1ff4000000018ed5
[   30.452091][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132bc63c
[   30.452270][   T12] RBP: ff110000059fc000 R08: 1fe22000026578c9 R09: ff11000001aed1d0
[   30.452459][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.452635][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   30.452816][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.453026][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.453177][   T12] CR2: 00007f22ee904c40 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   30.453355][   T12] PKRU: 55555554
[   30.453455][   T12] Call Trace:
[   30.453544][   T12]  <TASK>
[   30.453606][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   30.453761][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   30.453913][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.454035][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   30.454156][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   30.454276][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   30.454407][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   30.454528][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   30.454650][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   30.454770][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.454893][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   30.455014][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   30.455134][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   30.455255][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.455379][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.455508][   T12]  process_one_work (kernel/workqueue.c:3314)
[   30.455632][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   30.455757][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.455881][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   30.456007][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   30.456129][   T12]  kthread (kernel/kthread.c:436)
[   30.456219][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   30.456374][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.456499][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   30.456619][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   30.456772][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   30.456891][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   30.457016][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   30.461696][  T340] ------------[ cut here ]------------
| [   30.461837][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/340
| [   30.462063][  T340] Modules linked in:
| [   30.462443][  T340] Tainted: [W]=WARN
[   30.462543][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.462708][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.462879][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.463347][  T340] RSP: 0018:ffa0000000dc7918 EFLAGS: 00010286
[   30.463523][  T340] RAX: 00000000ffffffa6 RBX: ff1100000d975a80 RCX: 1ff40000001b8ee9
[   30.463718][  T340] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d975b3c
[   30.463912][  T340] RBP: ff11000001dec000 R08: 1fe2200001b2eb69 R09: ff1100000e51ae80
[   30.464112][  T340] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.464307][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dec000
[   30.464518][  T340] FS:  00007fe1e34ab840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.464749][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.464916][  T340] CR2: 000055fd4197ad5c CR3: 000000000bd2f003 CR4: 0000000000771ef0
[   30.465114][  T340] PKRU: 55555554
[   30.465212][  T340] Call Trace:
[   30.465311][  T340]  <TASK>
[   30.465384][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.465524][  T340]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.465656][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.465757][  T340]  register_netdevice (net/core/dev.c:11488)
[   30.465891][  T340]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.466054][  T340]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.466189][  T340]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.466323][  T340]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.466467][  T340]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.466600][  T340]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.466733][  T340]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.466869][  T340]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   30.467005][  T340]  ops_init (net/core/net_namespace.c:137)
[   30.467107][  T340]  setup_net (net/core/net_namespace.c:446)
[   30.467207][  T340]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.467338][  T340]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.467475][  T340]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.467610][  T340]  copy_net_ns (net/core/net_namespace.c:579)
[   30.467744][  T340]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.467878][  T340]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.468012][  T340]  ksys_unshare (kernel/fork.c:3243)
[   30.468146][  T340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.468278][  T340]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.468419][  T340]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.468553][  T340]  ? __ia32_sys_open (fs/open.c:1374)
[   30.468688][  T340]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.468819][  T340]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.468951][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.469081][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.469212][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.469344][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.469515][  T340] RIP: 0033:0x7fe1e376dbcb
[   30.469652][  T340] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.470126][  T340] RSP: 002b:00007ffdb2103b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.470324][  T340] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1e376dbcb
[   30.470533][  T340] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.470733][  T340] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.470930][  T340] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb2105d70
[   30.471126][  T340] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb2106886
| [   30.480345][  T340] ------------[ cut here ]------------
| [   30.480495][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/340
| [   30.480727][  T340] Modules linked in:
| [   30.481098][  T340] Tainted: [W]=WARN
[   30.481198][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.481363][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.481545][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.482021][  T340] RSP: 0018:ffa0000000dc78f8 EFLAGS: 00010286
[   30.482188][  T340] RAX: 00000000ffffffa6 RBX: ff11000012b39700 RCX: 1ff40000001b8ee5
[   30.482399][  T340] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012b397bc
[   30.482597][  T340] RBP: ff1100000218c000 R08: 1fe22000025672f9 R09: ff1100000e51ae80
[   30.482796][  T340] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.482994][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000218c000
[   30.483194][  T340] FS:  00007fe1e34ab840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.483437][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.483605][  T340] CR2: 000055fd4197ad5c CR3: 000000000bd2f003 CR4: 0000000000771ef0
[   30.483806][  T340] PKRU: 55555554
[   30.483905][  T340] Call Trace:
[   30.484006][  T340]  <TASK>
[   30.484077][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.484211][  T340]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.484344][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.484459][  T340]  register_netdevice (net/core/dev.c:11488)
[   30.484593][  T340]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.484759][  T340]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.484893][  T340]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.485027][  T340]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.485159][  T340]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.485294][  T340]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.485439][  T340]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.485573][  T340]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   30.485706][  T340]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.485840][  T340]  vti_init_net (net/ipv4/ip_vti.c:517)
[   30.485973][  T340]  ops_init (net/core/net_namespace.c:137)
[   30.486075][  T340]  setup_net (net/core/net_namespace.c:446)
[   30.486176][  T340]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.486307][  T340]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.486450][  T340]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.486583][  T340]  copy_net_ns (net/core/net_namespace.c:579)
[   30.486718][  T340]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.486853][  T340]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.486985][  T340]  ksys_unshare (kernel/fork.c:3243)
[   30.487119][  T340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.487252][  T340]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.487391][  T340]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.487530][  T340]  ? __ia32_sys_open (fs/open.c:1374)
[   30.487664][  T340]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.487796][  T340]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.487930][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.488062][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.488194][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.488326][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.488504][  T340] RIP: 0033:0x7fe1e376dbcb
[   30.488642][  T340] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.489115][  T340] RSP: 002b:00007ffdb2103b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.489317][  T340] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1e376dbcb
[   30.489524][  T340] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.489721][  T340] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.489918][  T340] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb2105d70
[   30.490115][  T340] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb2106886
| [   30.494316][  T340] ------------[ cut here ]------------
| [   30.494465][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/340
| [   30.494694][  T340] Modules linked in:
| [   30.495059][  T340] Tainted: [W]=WARN
[   30.495157][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.495320][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.495504][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.495970][  T340] RSP: 0018:ffa0000000dc7a78 EFLAGS: 00010286
[   30.496136][  T340] RAX: 00000000ffffffa6 RBX: ff11000012b38c80 RCX: 1ff40000001b8f15
[   30.496333][  T340] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012b38d3c
[   30.496540][  T340] RBP: ff1100000a874000 R08: 1fe22000025671a9 R09: ff1100000e51ae80
[   30.496734][  T340] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.496927][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a874000
[   30.497126][  T340] FS:  00007fe1e34ab840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.497356][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.497531][  T340] CR2: 000055fd4197ad5c CR3: 000000000bd2f003 CR4: 0000000000771ef0
[   30.497728][  T340] PKRU: 55555554
[   30.497828][  T340] Call Trace:
[   30.497925][  T340]  <TASK>
[   30.497993][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.498125][  T340]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.498257][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.498357][  T340]  register_netdevice (net/core/dev.c:11488)
[   30.498500][  T340]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.498664][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.498797][  T340]  register_netdev (net/core/dev.c:11552)
[   30.498929][  T340]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   30.499061][  T340]  ops_init (net/core/net_namespace.c:137)
[   30.499162][  T340]  setup_net (net/core/net_namespace.c:446)
[   30.499262][  T340]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.499403][  T340]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.499535][  T340]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.499670][  T340]  copy_net_ns (net/core/net_namespace.c:579)
[   30.499806][  T340]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.499946][  T340]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.500083][  T340]  ksys_unshare (kernel/fork.c:3243)
[   30.500213][  T340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.500344][  T340]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.500485][  T340]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.500616][  T340]  ? __ia32_sys_open (fs/open.c:1374)
[   30.500747][  T340]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.500878][  T340]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.501007][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.501137][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.501274][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.501412][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.501573][  T340] RIP: 0033:0x7fe1e376dbcb
[   30.501708][  T340] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.502172][  T340] RSP: 002b:00007ffdb2103b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.502371][  T340] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1e376dbcb
[   30.502568][  T340] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.502765][  T340] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.502959][  T340] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb2105d70
[   30.503153][  T340] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb2106886
| [   30.508373][  T340] ------------[ cut here ]------------
| [   30.508516][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/340
| [   30.508743][  T340] Modules linked in:
| [   30.509115][  T340] Tainted: [W]=WARN
[   30.509214][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.509382][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.509557][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.510020][  T340] RSP: 0018:ffa0000000dc7a68 EFLAGS: 00010286
[   30.510185][  T340] RAX: 00000000ffffffa6 RBX: ff1100000d974740 RCX: 1ff40000001b8f13
[   30.510382][  T340] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d9747fc
[   30.510581][  T340] RBP: ff11000008169000 R08: 1fe2200001b2e901 R09: ff1100000e51ae80
[   30.510776][  T340] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.510971][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008169000
[   30.511169][  T340] FS:  00007fe1e34ab840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.511406][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.511569][  T340] CR2: 000055fd4197ad5c CR3: 000000000bd2f003 CR4: 0000000000771ef0
[   30.511768][  T340] PKRU: 55555554
[   30.511865][  T340] Call Trace:
[   30.511962][  T340]  <TASK>
[   30.512030][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.512161][  T340]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.512291][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.512400][  T340]  register_netdevice (net/core/dev.c:11488)
[   30.512536][  T340]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.512701][  T340]  register_netdev (net/core/dev.c:11552)
[   30.512832][  T340]  sit_init_net (net/ipv6/sit.c:1860)
[   30.512964][  T340]  ops_init (net/core/net_namespace.c:137)
[   30.513063][  T340]  setup_net (net/core/net_namespace.c:446)
[   30.513163][  T340]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.513294][  T340]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.513494][  T340]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.513629][  T340]  copy_net_ns (net/core/net_namespace.c:579)
[   30.513762][  T340]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.513896][  T340]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.514027][  T340]  ksys_unshare (kernel/fork.c:3243)
[   30.514157][  T340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.514287][  T340]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.514483][  T340]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.514622][  T340]  ? __ia32_sys_open (fs/open.c:1374)
[   30.514755][  T340]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.514886][  T340]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.515016][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.515148][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.515280][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.515471][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.515691][  T340] RIP: 0033:0x7fe1e376dbcb
[   30.515828][  T340] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.516294][  T340] RSP: 002b:00007ffdb2103b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.516556][  T340] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1e376dbcb
[   30.516755][  T340] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.516952][  T340] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.517148][  T340] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb2105d70
[   30.517344][  T340] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb2106886
| [   30.522745][  T340] ------------[ cut here ]------------
| [   30.522894][  T340] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/340
| [   30.523130][  T340] Modules linked in:
| [   30.523513][  T340] Tainted: [W]=WARN
[   30.523618][  T340] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.523783][  T340] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.523956][  T340] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.524439][  T340] RSP: 0018:ffa0000000dc7a78 EFLAGS: 00010286
[   30.524607][  T340] RAX: 00000000ffffffa6 RBX: ff1100000c13f1c0 RCX: 1ff40000001b8f15
[   30.524806][  T340] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13f27c
[   30.525006][  T340] RBP: ff1100000932c000 R08: 1fe2200001827e51 R09: ff1100000e51ae80
[   30.525206][  T340] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   30.525418][  T340] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000932c000
[   30.525620][  T340] FS:  00007fe1e34ab840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   30.525859][  T340] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.526026][  T340] CR2: 00007fe1e36acc20 CR3: 000000000bd2f002 CR4: 0000000000771ef0
[   30.526225][  T340] PKRU: 55555554
[   30.526324][  T340] Call Trace:
[   30.526432][  T340]  <TASK>
[   30.526502][  T340]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.526637][  T340]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.526769][  T340]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.526870][  T340]  register_netdevice (net/core/dev.c:11488)
[   30.527003][  T340]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.527167][  T340]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.527302][  T340]  register_netdev (net/core/dev.c:11552)
[   30.527446][  T340]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   30.527582][  T340]  ops_init (net/core/net_namespace.c:137)
[   30.527683][  T340]  setup_net (net/core/net_namespace.c:446)
[   30.527783][  T340]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.527915][  T340]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.528047][  T340]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.528181][  T340]  copy_net_ns (net/core/net_namespace.c:579)
[   30.528313][  T340]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.528460][  T340]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.528594][  T340]  ksys_unshare (kernel/fork.c:3243)
[   30.528725][  T340]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.528856][  T340]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.528987][  T340]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.529119][  T340]  ? __ia32_sys_open (fs/open.c:1374)
[   30.529252][  T340]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.529389][  T340]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.529528][  T340]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.529662][  T340]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.529795][  T340]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.529925][  T340]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.530087][  T340] RIP: 0033:0x7fe1e376dbcb
[   30.530223][  T340] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.530757][  T340] RSP: 002b:00007ffdb2103b48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.530956][  T340] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe1e376dbcb
[   30.531152][  T340] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.531352][  T340] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.531575][  T340] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdb2105d70
[   30.531770][  T340] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdb2106886
| [   30.563164][  T341] ------------[ cut here ]------------
| [   30.563315][  T341] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/341
| [   30.563558][  T341] Modules linked in:
| [   30.563925][  T341] Tainted: [W]=WARN
[   30.564023][  T341] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.564188][  T341] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.564356][  T341] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.564832][  T341] RSP: 0018:ffa0000000e47020 EFLAGS: 00010286
[   30.564996][  T341] RAX: 00000000ffffffa6 RBX: ff11000005976740 RCX: 1ff40000001c8dca
[   30.565193][  T341] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000059767fc
[   30.565391][  T341] RBP: ff11000008f14000 R08: 1fe2200000b2ed01 R09: ff1100000e6d2e58
[   30.565648][  T341] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   30.565844][  T341] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.566041][  T341] FS:  00007f4bc8944840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.566269][  T341] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.566494][  T341] CR2: 000000000530d988 CR3: 0000000004c12005 CR4: 0000000000771ef0
[   30.566691][  T341] PKRU: 55555554
[   30.566789][  T341] Call Trace:
[   30.566889][  T341]  <TASK>
[   30.567045][  T341]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.567178][  T341]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.567277][  T341]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.567489][  T341]  __dev_notify_flags (net/core/dev.c:9787)
[   30.567625][  T341]  ? netif_change_name (net/core/dev.c:1495)
[   30.567756][  T341]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.567889][  T341]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.568021][  T341]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.568152][  T341]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   30.568286][  T341]  netif_change_flags (net/core/dev.c:9820)
[   30.568503][  T341]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.568633][  T341]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.568766][  T341]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.568899][  T341]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.569063][  T341]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.569195][  T341]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.569326][  T341]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.569548][  T341]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.569681][  T341]  ? __kernel_text_address (kernel/extable.c:79)
[   30.569813][  T341]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.569948][  T341]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.570080][  T341]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.570213][  T341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.570342][  T341]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.570564][  T341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.570693][  T341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.570824][  T341]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.570955][  T341]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.571089][  T341]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.571219][  T341]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.571353][  T341]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.571569][  T341]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.571702][  T341]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.571836][  T341]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.571966][  T341]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.572096][  T341]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.572228][  T341]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.572358][  T341]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.572584][  T341]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.572715][  T341]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.572846][  T341]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.572976][  T341]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.573109][  T341]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.573243][  T341]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.573377][  T341]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.573587][  T341]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.573718][  T341]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.573848][  T341]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.573977][  T341]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.574110][  T341]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.574241][  T341]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.574378][  T341]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.574534][  T341]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.574665][  T341]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.574798][  T341]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.574930][  T341]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.575060][  T341]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.575191][  T341]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.575327][  T341]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.575469][  T341]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.575602][  T341]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.575733][  T341]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.575865][  T341]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.576029][  T341]  ? move_addr_to_kernel (net/socket.c:258)
[   30.576160][  T341]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.576291][  T341]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.576432][  T341]  ___sys_sendmsg (net/socket.c:2752)
[   30.576563][  T341]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.576725][  T341]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.576867][  T341]  __sys_sendmsg (net/socket.c:2784)
[   30.576999][  T341]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.577131][  T341]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.577295][  T341]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.577442][  T341]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.577573][  T341]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.577704][  T341]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.577833][  T341]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.577965][  T341]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.578127][  T341] RIP: 0033:0x7f4bc8b7e08e
[   30.578265][  T341] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.578738][  T341] RSP: 002b:00007ffce3afdbe0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.578935][  T341] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f4bc8b7e08e
[   30.579131][  T341] RDX: 0000000000000000 RSI: 00007ffce3afdc90 RDI: 0000000000000005
[   30.579326][  T341] RBP: 00007ffce3afdbf0 R08: 0000000000000000 R09: 0000000000000000
[   30.579536][  T341] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c1
[   30.579731][  T341] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce3afe360
| [   30.695135][  T348] ------------[ cut here ]------------
| [   30.695285][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/348
| [   30.695527][  T348] Modules linked in:
| [   30.695895][  T348] Tainted: [W]=WARN
[   30.695996][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.696160][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.696330][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.696809][  T348] RSP: 0018:ffa0000000e77a80 EFLAGS: 00010286
[   30.696976][  T348] RAX: 00000000ffffffa6 RBX: ff1100001317ce40 RCX: 1ff40000001cef16
[   30.697172][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001317cefc
[   30.697372][  T348] RBP: ff1100000fc79000 R08: 1fe220000262f9e1 R09: ff1100000e5c8b80
[   30.697571][  T348] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.697766][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc79000
[   30.697965][  T348] FS:  00007fe5870da840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.698197][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.698364][  T348] CR2: 00007fe5872dbc20 CR3: 0000000004ee3004 CR4: 0000000000771ef0
[   30.698572][  T348] PKRU: 55555554
[   30.698671][  T348] Call Trace:
[   30.698770][  T348]  <TASK>
[   30.698839][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.698971][  T348]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.699107][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.699208][  T348]  register_netdevice (net/core/dev.c:11488)
[   30.699343][  T348]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.699930][  T348]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.700065][  T348]  register_netdev (net/core/dev.c:11552)
[   30.700196][  T348]  loopback_net_init (drivers/net/loopback.c:218)
[   30.700332][  T348]  ops_init (net/core/net_namespace.c:137)
[   30.700493][  T348]  setup_net (net/core/net_namespace.c:446)
[   30.700596][  T348]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.700792][  T348]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.700924][  T348]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.701057][  T348]  copy_net_ns (net/core/net_namespace.c:579)
[   30.701190][  T348]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.701326][  T348]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.701471][  T348]  ksys_unshare (kernel/fork.c:3243)
[   30.701604][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.701736][  T348]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.701869][  T348]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.702005][  T348]  ? __ia32_sys_open (fs/open.c:1374)
[   30.702140][  T348]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.702272][  T348]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.702412][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.702545][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.702678][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.702809][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.702972][  T348] RIP: 0033:0x7fe58739cbcb
[   30.703111][  T348] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.703591][  T348] RSP: 002b:00007ffc8af38de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.703790][  T348] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe58739cbcb
[   30.703987][  T348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.704183][  T348] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.704385][  T348] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8af3b010
[   30.704587][  T348] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8af3b881
| [   30.709145][  T348] ------------[ cut here ]------------
| [   30.709282][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/348
| [   30.709521][  T348] Modules linked in:
| [   30.709885][  T348] Tainted: [W]=WARN
[   30.709987][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.710150][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.710323][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.710799][  T348] RSP: 0018:ffa0000000e77918 EFLAGS: 00010286
[   30.710966][  T348] RAX: 00000000ffffffa6 RBX: ff11000008e04ac0 RCX: 1ff40000001ceee9
[   30.711163][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e04b7c
[   30.711358][  T348] RBP: ff1100001340c000 R08: 1fe22000011c0971 R09: ff1100000e5c8b80
[   30.712082][  T348] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.712281][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100001340c000
[   30.712539][  T348] FS:  00007fe5870da840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.712772][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.712938][  T348] CR2: 00007fe5872dbc20 CR3: 0000000004ee3004 CR4: 0000000000771ef0
[   30.713139][  T348] PKRU: 55555554
[   30.713240][  T348] Call Trace:
[   30.713339][  T348]  <TASK>
[   30.713466][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.713598][  T348]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.713730][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.713832][  T348]  register_netdevice (net/core/dev.c:11488)
[   30.713965][  T348]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.714131][  T348]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.714319][  T348]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.714512][  T348]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.714645][  T348]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.714778][  T348]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.714911][  T348]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.715043][  T348]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   30.715176][  T348]  ops_init (net/core/net_namespace.c:137)
[   30.715279][  T348]  setup_net (net/core/net_namespace.c:446)
[   30.715382][  T348]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.715569][  T348]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.715701][  T348]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.715835][  T348]  copy_net_ns (net/core/net_namespace.c:579)
[   30.715968][  T348]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.716102][  T348]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.716237][  T348]  ksys_unshare (kernel/fork.c:3243)
[   30.716372][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.716557][  T348]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.716689][  T348]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.716822][  T348]  ? __ia32_sys_open (fs/open.c:1374)
[   30.716954][  T348]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.717086][  T348]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.717219][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.717350][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.717542][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.717674][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.717838][  T348] RIP: 0033:0x7fe58739cbcb
[   30.717975][  T348] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.718507][  T348] RSP: 002b:00007ffc8af38de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.718706][  T348] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe58739cbcb
[   30.718903][  T348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.719099][  T348] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.719295][  T348] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8af3b010
[   30.719557][  T348] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8af3b881
| [   30.724932][  T348] ------------[ cut here ]------------
| [   30.725083][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/348
| [   30.725315][  T348] Modules linked in:
| [   30.725704][  T348] Tainted: [W]=WARN
[   30.725806][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.725973][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.726148][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.726636][  T348] RSP: 0018:ffa0000000e778f8 EFLAGS: 00010286
[   30.726806][  T348] RAX: 00000000ffffffa6 RBX: ff1100000df8cac0 RCX: 1ff40000001ceee5
[   30.727005][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df8cb7c
[   30.727204][  T348] RBP: ff1100000f934000 R08: 1fe2200001bf1971 R09: ff1100000e5c8b80
[   30.727412][  T348] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.727613][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f934000
[   30.727814][  T348] FS:  00007fe5870da840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.728047][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.728214][  T348] CR2: 000055c8b8678d5c CR3: 0000000004ee3002 CR4: 0000000000771ef0
[   30.728425][  T348] PKRU: 55555554
[   30.728525][  T348] Call Trace:
[   30.728623][  T348]  <TASK>
[   30.728693][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.728827][  T348]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.728961][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.729063][  T348]  register_netdevice (net/core/dev.c:11488)
[   30.729197][  T348]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.729364][  T348]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.729508][  T348]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   30.729642][  T348]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   30.729775][  T348]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   30.729909][  T348]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   30.730042][  T348]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   30.730176][  T348]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   30.730309][  T348]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.730455][  T348]  vti_init_net (net/ipv4/ip_vti.c:517)
[   30.730589][  T348]  ops_init (net/core/net_namespace.c:137)
[   30.730692][  T348]  setup_net (net/core/net_namespace.c:446)
[   30.730792][  T348]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.730924][  T348]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.731056][  T348]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.731191][  T348]  copy_net_ns (net/core/net_namespace.c:579)
[   30.731327][  T348]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.731477][  T348]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.731611][  T348]  ksys_unshare (kernel/fork.c:3243)
[   30.731743][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.731876][  T348]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.732009][  T348]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.732143][  T348]  ? __ia32_sys_open (fs/open.c:1374)
[   30.732282][  T348]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.732425][  T348]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.732558][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.732691][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.732825][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.732957][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.733121][  T348] RIP: 0033:0x7fe58739cbcb
[   30.733259][  T348] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.733741][  T348] RSP: 002b:00007ffc8af38de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.733941][  T348] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe58739cbcb
[   30.734142][  T348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.734339][  T348] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.734549][  T348] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8af3b010
[   30.734747][  T348] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8af3b881
| [   30.743464][  T348] ------------[ cut here ]------------
| [   30.743603][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/348
| [   30.743831][  T348] Modules linked in:
| [   30.744197][  T348] Tainted: [W]=WARN
[   30.744295][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.744468][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.744641][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.745107][  T348] RSP: 0018:ffa0000000e77a78 EFLAGS: 00010286
[   30.745271][  T348] RAX: 00000000ffffffa6 RBX: ff1100000c538900 RCX: 1ff40000001cef15
[   30.745478][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5389bc
[   30.745674][  T348] RBP: ff1100000997c000 R08: 1fe22000018a7139 R09: ff1100000e5c8b80
[   30.745868][  T348] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.746062][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000997c000
[   30.746257][  T348] FS:  00007fe5870da840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.746498][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.746661][  T348] CR2: 000055c8b8678d5c CR3: 0000000004ee3002 CR4: 0000000000771ef0
[   30.746857][  T348] PKRU: 55555554
[   30.746955][  T348] Call Trace:
[   30.747052][  T348]  <TASK>
[   30.747120][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.747250][  T348]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.747388][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.747494][  T348]  register_netdevice (net/core/dev.c:11488)
[   30.747626][  T348]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.747788][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.747921][  T348]  register_netdev (net/core/dev.c:11552)
[   30.748051][  T348]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   30.748183][  T348]  ops_init (net/core/net_namespace.c:137)
[   30.748285][  T348]  setup_net (net/core/net_namespace.c:446)
[   30.748386][  T348]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.748521][  T348]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.748653][  T348]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.748785][  T348]  copy_net_ns (net/core/net_namespace.c:579)
[   30.748918][  T348]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.749051][  T348]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.749192][  T348]  ksys_unshare (kernel/fork.c:3243)
[   30.749323][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.749463][  T348]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.749594][  T348]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.749725][  T348]  ? __ia32_sys_open (fs/open.c:1374)
[   30.749859][  T348]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.749991][  T348]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.750123][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.750255][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.750392][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.750527][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.750688][  T348] RIP: 0033:0x7fe58739cbcb
[   30.750823][  T348] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.751290][  T348] RSP: 002b:00007ffc8af38de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.751495][  T348] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe58739cbcb
[   30.751689][  T348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.751883][  T348] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.752078][  T348] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8af3b010
[   30.752271][  T348] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8af3b881
| [   30.756303][  T348] ------------[ cut here ]------------
| [   30.756934][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/348
| [   30.757162][  T348] Modules linked in:
| [   30.757583][  T348] Tainted: [W]=WARN
[   30.757681][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.757843][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.758011][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.758535][  T348] RSP: 0018:ffa0000000e77a68 EFLAGS: 00010286
[   30.758697][  T348] RAX: 00000000ffffffa6 RBX: ff1100000c539000 RCX: 1ff40000001cef13
[   30.758890][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5390bc
[   30.759139][  T348] RBP: ff1100000f2f9000 R08: 1fe22000018a7219 R09: ff1100000e5c8b80
[   30.759332][  T348] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   30.759594][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2f9000
[   30.759789][  T348] FS:  00007fe5870da840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   30.760017][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.760179][  T348] CR2: 000055c8b8678d5c CR3: 0000000004ee3002 CR4: 0000000000771ef0
[   30.760381][  T348] PKRU: 55555554
[   30.760535][  T348] Call Trace:
[   30.760632][  T348]  <TASK>
[   30.760700][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.760831][  T348]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.760961][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.761060][  T348]  register_netdevice (net/core/dev.c:11488)
[   30.761247][  T348]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.761473][  T348]  register_netdev (net/core/dev.c:11552)
[   30.761603][  T348]  sit_init_net (net/ipv6/sit.c:1860)
[   30.761735][  T348]  ops_init (net/core/net_namespace.c:137)
[   30.761835][  T348]  setup_net (net/core/net_namespace.c:446)
[   30.761935][  T348]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.762066][  T348]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.762197][  T348]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.762331][  T348]  copy_net_ns (net/core/net_namespace.c:579)
[   30.762522][  T348]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.762654][  T348]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.762784][  T348]  ksys_unshare (kernel/fork.c:3243)
[   30.762915][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.763046][  T348]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.763175][  T348]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.763308][  T348]  ? __ia32_sys_open (fs/open.c:1374)
[   30.763496][  T348]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.763626][  T348]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.763755][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.763885][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.764015][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.764144][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.764305][  T348] RIP: 0033:0x7fe58739cbcb
[   30.764505][  T348] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.764969][  T348] RSP: 002b:00007ffc8af38de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.765166][  T348] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe58739cbcb
[   30.765362][  T348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.765621][  T348] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.765815][  T348] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8af3b010
[   30.766009][  T348] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8af3b881
| [   30.771406][  T348] ------------[ cut here ]------------
| [   30.771588][  T348] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/348
| [   30.771860][  T348] Modules linked in:
| [   30.772319][  T348] Tainted: [W]=WARN
[   30.772482][  T348] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.772694][  T348] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.772913][  T348] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.773446][  T348] RSP: 0018:ffa0000000e77a78 EFLAGS: 00010286
[   30.773661][  T348] RAX: 00000000ffffffa6 RBX: ff11000008e9fe00 RCX: 1ff40000001cef15
[   30.773902][  T348] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e9febc
[   30.774147][  T348] RBP: ff1100000b57c000 R08: 1fe22000011d3fd9 R09: ff1100000e5c8b80
[   30.774408][  T348] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   30.774650][  T348] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b57c000
[   30.774896][  T348] FS:  00007fe5870da840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   30.775174][  T348] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.775391][  T348] CR2: 00007f0399102000 CR3: 0000000004ee3004 CR4: 0000000000771ef0
[   30.775650][  T348] PKRU: 55555554
[   30.775795][  T348] Call Trace:
[   30.775940][  T348]  <TASK>
[   30.776055][  T348]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.776234][  T348]  ? notifier_call_chain (kernel/notifier.c:85)
[   30.776431][  T348]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.776580][  T348]  register_netdevice (net/core/dev.c:11488)
[   30.776760][  T348]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   30.776969][  T348]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.777152][  T348]  register_netdev (net/core/dev.c:11552)
[   30.777332][  T348]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   30.777531][  T348]  ops_init (net/core/net_namespace.c:137)
[   30.777682][  T348]  setup_net (net/core/net_namespace.c:446)
[   30.777829][  T348]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   30.778006][  T348]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   30.778185][  T348]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   30.778365][  T348]  copy_net_ns (net/core/net_namespace.c:579)
[   30.778566][  T348]  create_new_namespaces (kernel/nsproxy.c:132)
[   30.778747][  T348]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   30.778927][  T348]  ksys_unshare (kernel/fork.c:3243)
[   30.779107][  T348]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.779284][  T348]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   30.779487][  T348]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   30.779665][  T348]  ? __ia32_sys_open (fs/open.c:1374)
[   30.779846][  T348]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   30.780024][  T348]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   30.780201][  T348]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.780388][  T348]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.780581][  T348]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.780759][  T348]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.780967][  T348] RIP: 0033:0x7fe58739cbcb
[   30.781151][  T348] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   30.781681][  T348] RSP: 002b:00007ffc8af38de8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   30.781926][  T348] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe58739cbcb
[   30.782168][  T348] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   30.782428][  T348] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   30.782671][  T348] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffc8af3b010
[   30.782913][  T348] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc8af3b881
| [   30.819777][  T349] ------------[ cut here ]------------
| [   30.819926][  T349] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/349
| [   30.820158][  T349] Modules linked in:
| [   30.820542][  T349] Tainted: [W]=WARN
[   30.820641][  T349] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.820807][  T349] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.820978][  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
[   30.821460][  T349] RSP: 0018:ffa0000000e87020 EFLAGS: 00010286
[   30.821625][  T349] RAX: 00000000ffffffa6 RBX: ff11000008e04200 RCX: 1ff40000001d0dca
[   30.821823][  T349] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000008e042bc
[   30.822017][  T349] RBP: ff1100000fc79000 R08: 1fe22000011c0859 R09: ff1100000e5cd158
[   30.822211][  T349] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   30.822418][  T349] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.822617][  T349] FS:  00007fcf0b9b0840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.822845][  T349] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.823008][  T349] CR2: 00007fcf0bc801a0 CR3: 0000000004bab006 CR4: 0000000000771ef0
[   30.823205][  T349] PKRU: 55555554
[   30.823302][  T349] Call Trace:
[   30.823409][  T349]  <TASK>
[   30.823480][  T349]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.823617][  T349]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.823717][  T349]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.823847][  T349]  __dev_notify_flags (net/core/dev.c:9787)
[   30.823980][  T349]  ? netif_change_name (net/core/dev.c:1495)
[   30.824111][  T349]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.824244][  T349]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.824382][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.824520][  T349]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   30.824654][  T349]  netif_change_flags (net/core/dev.c:9820)
[   30.824788][  T349]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.824920][  T349]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.825054][  T349]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.825187][  T349]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.825354][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.825496][  T349]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.825628][  T349]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.825757][  T349]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.825889][  T349]  ? __kernel_text_address (kernel/extable.c:79)
[   30.826019][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.826153][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.826285][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.826496][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.826627][  T349]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.826758][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.826890][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.827021][  T349]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.827153][  T349]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.827287][  T349]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.827502][  T349]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.827637][  T349]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.827772][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.827907][  T349]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.828041][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.828172][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.828304][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.828495][  T349]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.828715][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.828852][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.828982][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.829113][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.829244][  T349]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.829381][  T349]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.829593][  T349]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.829726][  T349]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.829856][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.829987][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.830120][  T349]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.830251][  T349]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.830387][  T349]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.830591][  T349]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.830722][  T349]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.830860][  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))
[   30.830990][  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))
[   30.831122][  T349]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.831254][  T349]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.831390][  T349]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.831561][  T349]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.831694][  T349]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.831829][  T349]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.831963][  T349]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.832094][  T349]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.832225][  T349]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.832393][  T349]  ? move_addr_to_kernel (net/socket.c:258)
[   30.832532][  T349]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.832664][  T349]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.832799][  T349]  ___sys_sendmsg (net/socket.c:2752)
[   30.832930][  T349]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.833094][  T349]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.833238][  T349]  __sys_sendmsg (net/socket.c:2784)
[   30.833374][  T349]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.833510][  T349]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.833676][  T349]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.833810][  T349]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.833944][  T349]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.834077][  T349]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.834212][  T349]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.834343][  T349]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.834518][  T349] RIP: 0033:0x7fcf0bbea08e
[   30.834655][  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
[   30.835125][  T349] RSP: 002b:00007ffd68842790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.835323][  T349] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcf0bbea08e
[   30.835528][  T349] RDX: 0000000000000000 RSI: 00007ffd68842840 RDI: 0000000000000005
[   30.835726][  T349] RBP: 00007ffd688427a0 R08: 0000000000000000 R09: 0000000000000000
[   30.835922][  T349] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   30.836118][  T349] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd68842f10
| [   30.866500][  T350] ------------[ cut here ]------------
| [   30.866652][  T350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/350
| [   30.866891][  T350] Modules linked in:
| [   30.867272][  T350] Tainted: [W]=WARN
[   30.867379][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.867555][  T350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.867734][  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
[   30.868216][  T350] RSP: 0018:ffa0000000e96e30 EFLAGS: 00010286
[   30.868392][  T350] RAX: 00000000ffffffa6 RBX: ff1100001317d540 RCX: 1ff40000001d2d8c
[   30.868603][  T350] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001317d5fc
[   30.868805][  T350] RBP: ff11000009749000 R08: 1fe220000262fac1 R09: ff110000100f2e80
[   30.869007][  T350] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.869210][  T350] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ff9a000
[   30.869426][  T350] FS:  00007f1217edf840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.869663][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.869834][  T350] CR2: 00000000004a77b8 CR3: 000000000f0d7003 CR4: 0000000000771ef0
[   30.870039][  T350] PKRU: 55555554
[   30.870142][  T350] Call Trace:
[   30.870242][  T350]  <TASK>
[   30.870311][  T350]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.870462][  T350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.870566][  T350]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   30.870735][  T350]  __dev_notify_flags (net/core/dev.c:9787)
[   30.870873][  T350]  ? netif_change_name (net/core/dev.c:1495)
[   30.871009][  T350]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.871145][  T350]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.871281][  T350]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.871431][  T350]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   30.871568][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.871706][  T350]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.871842][  T350]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   30.871977][  T350]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   30.872112][  T350]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   30.872250][  T350]  veth_newlink (drivers/net/veth.c:1871)
[   30.872534][  T350]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   30.872672][  T350]  ? kasan_save_stack (mm/kasan/common.c:57)
[   30.872808][  T350]  ? kasan_save_track (mm/kasan/common.c:78)
[   30.872942][  T350]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   30.873095][  T350]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   30.873231][  T350]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   30.873374][  T350]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   30.873517][  T350]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.873655][  T350]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   30.873792][  T350]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   30.873930][  T350]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   30.874066][  T350]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.874202][  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)
[   30.874341][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.874491][  T350]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   30.874632][  T350]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.874768][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.874902][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.875038][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.875175][  T350]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.875309][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.875459][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.875598][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.875735][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.875870][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.876005][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.876139][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.876275][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.876418][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.876557][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.876693][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.876830][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.876969][  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))
[   30.877104][  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))
[   30.877242][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.877383][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.877524][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.877662][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.877799][  T350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.877935][  T350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.878074][  T350]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.878210][  T350]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.878346][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.878524][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   30.878662][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.878798][  T350]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   30.878936][  T350]  ___sys_sendmsg (net/socket.c:2752)
[   30.879070][  T350]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   30.879206][  T350]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.879346][  T350]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   30.879496][  T350]  ? 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))
[   30.879634][  T350]  __sys_sendmsg (net/socket.c:2784)
[   30.879771][  T350]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.879910][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.880046][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.880181][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.880316][  T350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.880462][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.880597][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.880764][  T350] RIP: 0033:0x7f121811908e
[   30.880908][  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
[   30.881400][  T350] RSP: 002b:00007ffe56388c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.881605][  T350] RAX: ffffffffffffffda RBX: 00007ffe56389420 RCX: 00007f121811908e
[   30.881809][  T350] RDX: 0000000000000000 RSI: 00007ffe56388d40 RDI: 0000000000000005
[   30.882011][  T350] RBP: 00007ffe56388ca0 R08: 0000000000000000 R09: 0000000000000000
[   30.882214][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   30.882425][  T350] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe56389400
| [   30.896551][  T350] ------------[ cut here ]------------
| [   30.896698][  T350] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/350
| [   30.896936][  T350] Modules linked in:
| [   30.897311][  T350] Tainted: [W]=WARN
[   30.897423][  T350] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.897591][  T350] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.897765][  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
[   30.898248][  T350] RSP: 0018:ffa0000000e971b0 EFLAGS: 00010286
[   30.898426][  T350] RAX: 00000000ffffffa6 RBX: ff1100000b5de3c0 RCX: 1ff40000001d2dfc
[   30.898626][  T350] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b5de47c
[   30.898827][  T350] RBP: ff11000013014000 R08: 1fe22000016bbc91 R09: ff110000100f2e80
[   30.899028][  T350] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   30.899227][  T350] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff99403b20
[   30.899439][  T350] FS:  00007f1217edf840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   30.899675][  T350] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.899843][  T350] CR2: 00000000004a77b8 CR3: 000000000f0d7003 CR4: 0000000000771ef0
[   30.900045][  T350] PKRU: 55555554
[   30.900144][  T350] Call Trace:
[   30.900244][  T350]  <TASK>
[   30.900314][  T350]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.900457][  T350]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.900563][  T350]  __dev_notify_flags (net/core/dev.c:9787)
[   30.900698][  T350]  ? netif_change_name (net/core/dev.c:1495)
[   30.900834][  T350]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   30.900969][  T350]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   30.901106][  T350]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   30.901240][  T350]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   30.901380][  T350]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   30.901577][  T350]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.901713][  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)
[   30.901851][  T350]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.901987][  T350]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   30.902125][  T350]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.902262][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.902462][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.902600][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.902735][  T350]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.902869][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.903008][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.903144][  T350]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.903280][  T350]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.903478][  T350]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.903613][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.903748][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.903885][  T350]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.904018][  T350]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.904153][  T350]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.904286][  T350]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.904482][  T350]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.904620][  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))
[   30.904753][  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))
[   30.904891][  T350]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.905026][  T350]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.905161][  T350]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.905297][  T350]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.905522][  T350]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.905657][  T350]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.905793][  T350]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.905927][  T350]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.906063][  T350]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.906229][  T350]  ? move_addr_to_kernel (net/socket.c:258)
[   30.906364][  T350]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.906601][  T350]  ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 5))
[   30.906737][  T350]  ___sys_sendmsg (net/socket.c:2752)
[   30.906870][  T350]  ? wp_page_copy (./include/linux/pgtable.h:117 mm/memory.c:3976)
[   30.907004][  T350]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.907145][  T350]  ? do_wp_page (./include/linux/pgtable.h:117 mm/memory.c:4331)
[   30.907283][  T350]  ? 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))
[   30.907527][  T350]  __sys_sendmsg (net/socket.c:2784)
[   30.907663][  T350]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.907803][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.907937][  T350]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.908073][  T350]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.908209][  T350]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.908346][  T350]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.908530][  T350]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.908696][  T350] RIP: 0033:0x7f121811908e
[   30.908834][  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
[   30.909311][  T350] RSP: 002b:00007ffe56388c90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.909522][  T350] RAX: ffffffffffffffda RBX: 00007ffe56389420 RCX: 00007f121811908e
[   30.909722][  T350] RDX: 0000000000000000 RSI: 00007ffe56388d40 RDI: 0000000000000005
[   30.909921][  T350] RBP: 00007ffe56388ca0 R08: 0000000000000000 R09: 0000000000000000
[   30.910120][  T350] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   30.910319][  T350] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe56389400
| [   30.932284][  T351] ------------[ cut here ]------------
| [   30.933047][  T351] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/351
| [   30.933319][  T351] Modules linked in:
| [   30.933808][  T351] Tainted: [W]=WARN
[   30.933955][  T351] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   30.934165][  T351] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   30.934390][  T351] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   30.934918][  T351] RSP: 0018:ffa0000000ea7020 EFLAGS: 00010286
[   30.935130][  T351] RAX: 00000000ffffffa6 RBX: ff1100000e647a80 RCX: 1ff40000001d4dca
[   30.935379][  T351] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e647b3c
[   30.935637][  T351] RBP: ff11000009749000 R08: 1fe2200001cc8f69 R09: ff110000100f5158
[   30.935879][  T351] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   30.936123][  T351] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   30.936366][  T351] FS:  00007f2473eb5840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   30.936666][  T351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   30.936878][  T351] CR2: 000000003fd37988 CR3: 0000000001ecf006 CR4: 0000000000771ef0
[   30.937122][  T351] PKRU: 55555554
[   30.937267][  T351] Call Trace:
[   30.937433][  T351]  <TASK>
[   30.937550][  T351]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   30.937732][  T351]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   30.937881][  T351]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   30.938061][  T351]  __dev_notify_flags (net/core/dev.c:9787)
[   30.938245][  T351]  ? netif_change_name (net/core/dev.c:1495)
[   30.938446][  T351]  ? __dev_change_flags (net/core/dev.c:9752)
[   30.938631][  T351]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   30.938812][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.938992][  T351]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   30.939179][  T351]  netif_change_flags (net/core/dev.c:9820)
[   30.939358][  T351]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   30.939556][  T351]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   30.939740][  T351]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   30.939920][  T351]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   30.940132][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   30.940309][  T351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.940512][  T351]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   30.940693][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.940873][  T351]  ? __kernel_text_address (kernel/extable.c:79)
[   30.941052][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.941235][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.941431][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.941612][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.941795][  T351]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   30.941973][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.942152][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.942332][  T351]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   30.942531][  T351]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   30.942709][  T351]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   30.942890][  T351]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   30.943071][  T351]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   30.943256][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   30.943459][  T351]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   30.943672][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.943852][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.944032][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.944213][  T351]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   30.944413][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.944596][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.944776][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.944955][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.945134][  T351]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   30.945315][  T351]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   30.945515][  T351]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   30.945697][  T351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.945876][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.946057][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.946238][  T351]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   30.946433][  T351]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   30.946614][  T351]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   30.946793][  T351]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   30.946972][  T351]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   30.947154][  T351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   30.947334][  T351]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   30.947538][  T351]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   30.947720][  T351]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   30.947898][  T351]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   30.948078][  T351]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   30.948259][  T351]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   30.948460][  T351]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   30.948643][  T351]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   30.948821][  T351]  ? copy_msghdr_from_user (net/socket.c:2635)
[   30.949003][  T351]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   30.949212][  T351]  ? move_addr_to_kernel (net/socket.c:258)
[   30.949412][  T351]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   30.949593][  T351]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   30.949773][  T351]  ___sys_sendmsg (net/socket.c:2752)
[   30.949950][  T351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   30.950164][  T351]  ? copy_msghdr_from_user (net/socket.c:2603)
[   30.950355][  T351]  __sys_sendmsg (net/socket.c:2784)
[   30.950556][  T351]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   30.950733][  T351]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   30.950946][  T351]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   30.951125][  T351]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   30.951306][  T351]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   30.951508][  T351]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   30.951696][  T351]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   30.951876][  T351]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   30.952085][  T351] RIP: 0033:0x7f24740ef08e
[   30.952270][  T351] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   30.952804][  T351] RSP: 002b:00007ffd05a1be30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   30.953050][  T351] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f24740ef08e
[   30.953293][  T351] RDX: 0000000000000000 RSI: 00007ffd05a1bee0 RDI: 0000000000000005
[   30.953557][  T351] RBP: 00007ffd05a1be40 R08: 0000000000000000 R09: 0000000000000000
[   30.953813][  T351] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   30.954057][  T351] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd05a1c5a0
| [   31.041552][  T354] ------------[ cut here ]------------
| [   31.041738][  T354] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/354
| [   31.042008][  T354] Modules linked in:
| [   31.042481][  T354] Tainted: [W]=WARN
[   31.042624][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.042829][  T354] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.043044][  T354] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.043574][  T354] RSP: 0018:ffa0000000ed6ff8 EFLAGS: 00010286
[   31.043782][  T354] RAX: 00000000ffffffa6 RBX: ff1100000d191380 RCX: 1ff40000001dadc5
[   31.044020][  T354] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000d19143c
[   31.044256][  T354] RBP: ff11000013014000 R08: 1fe2200001a32289 R09: ff1100000ddfae58
[   31.044517][  T354] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   31.044751][  T354] R13: 0000000000000000 R14: ffa0000000ed7140 R15: ff110000132e1fd0
[   31.044988][  T354] FS:  00007efffe3e9840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   31.045257][  T354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.045488][  T354] CR2: 0000000019e11988 CR3: 000000000e6b7004 CR4: 0000000000771ef0
[   31.045735][  T354] PKRU: 55555554
[   31.045878][  T354] Call Trace:
[   31.046019][  T354]  <TASK>
[   31.046133][  T354]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   31.046312][  T354]  __dev_change_net_namespace (net/core/dev.c:12635)
[   31.046541][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.046719][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.046896][  T354]  ? default_device_exit_batch (net/core/dev.c:13091)
[   31.047104][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.047280][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.047546][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.047732][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   31.047914][  T354]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   31.048092][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   31.048268][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   31.048464][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.048641][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.048846][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.049021][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.049196][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.049380][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.049570][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   31.049746][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.049923][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.050098][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.050275][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.050473][  T354]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.050655][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.050832][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.051007][  T354]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.051182][  T354]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.051358][  T354]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.051554][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.051732][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.051910][  T354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.052092][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.052270][  T354]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.052467][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.052641][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.052818][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.052993][  T354]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.053167][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.053349][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.053542][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.053719][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.053896][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.054075][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.054253][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.054447][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.054624][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.054804][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.054981][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.055154][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.055330][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.055528][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.055705][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.055884][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.056057][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.056238][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.056433][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.056610][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.056786][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.056965][  T354]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.057142][  T354]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.057322][  T354]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.057524][  T354]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.057700][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.057906][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   31.058084][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.058259][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.058458][  T354]  ___sys_sendmsg (net/socket.c:2752)
[   31.058635][  T354]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.058847][  T354]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.059035][  T354]  __sys_sendmsg (net/socket.c:2784)
[   31.059211][  T354]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.059408][  T354]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.059619][  T354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.059796][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.059974][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.060154][  T354]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.060331][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.060530][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.060737][  T354] RIP: 0033:0x7efffe62308e
[   31.060918][  T354] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.061443][  T354] RSP: 002b:00007ffdedd15080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.061683][  T354] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efffe62308e
[   31.061921][  T354] RDX: 0000000000000000 RSI: 00007ffdedd15130 RDI: 0000000000000005
[   31.062159][  T354] RBP: 00007ffdedd15090 R08: 0000000000000000 R09: 0000000000000000
[   31.062423][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   31.062663][  T354] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdedd157f0
| [   31.065679][  T354] ------------[ cut here ]------------
| [   31.065870][  T354] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/354
| [   31.066124][  T354] Modules linked in:
| [   31.066505][  T354] Tainted: [W]=WARN
[   31.066624][  T354] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.066845][  T354] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.067012][  T354] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.067488][  T354] RSP: 0018:ffa0000000ed6fc0 EFLAGS: 00010286
[   31.067725][  T354] RAX: 00000000ffffffa6 RBX: ff1100000c13fe00 RCX: 1ff40000001dadbe
[   31.067952][  T354] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13febc
[   31.068141][  T354] RBP: ff11000013014000 R08: 1fe2200001827fd9 R09: ff1100000ddfae58
[   31.068332][  T354] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   31.068541][  T354] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000132e1fd0
[   31.068734][  T354] FS:  00007efffe3e9840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   31.069008][  T354] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.069177][  T354] CR2: 000055cdad496d5c CR3: 000000000e6b7001 CR4: 0000000000771ef0
[   31.069476][  T354] PKRU: 55555554
[   31.069622][  T354] Call Trace:
[   31.069766][  T354]  <TASK>
[   31.069867][  T354]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.070058][  T354]  ? notifier_call_chain (kernel/notifier.c:85)
[   31.070214][  T354]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.070346][  T354]  __dev_change_net_namespace (net/core/dev.c:12695)
[   31.070579][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.070709][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.070842][  T354]  ? default_device_exit_batch (net/core/dev.c:13091)
[   31.071002][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.071129][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.071307][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.071514][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   31.071706][  T354]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   31.071902][  T354]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   31.072083][  T354]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   31.072221][  T354]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.072430][  T354]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.072666][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.072860][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.073050][  T354]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.073193][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.073381][  T354]  ? __kernel_text_address (kernel/extable.c:79)
[   31.073585][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.073722][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.073851][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.073981][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.074111][  T354]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.074239][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.074375][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.074514][  T354]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.074695][  T354]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.074825][  T354]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.074988][  T354]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.075167][  T354]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.075296][  T354]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.075445][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.075578][  T354]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.075710][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.075838][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.076005][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.076176][  T354]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.076304][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.076448][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.076578][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.076706][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.076859][  T354]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.077043][  T354]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.077173][  T354]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.077302][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.077441][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.077569][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.077722][  T354]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.077905][  T354]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.078041][  T354]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.078169][  T354]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.078298][  T354]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.078444][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.078572][  T354]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.078759][  T354]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.078947][  T354]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.079081][  T354]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.079210][  T354]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.079341][  T354]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.079487][  T354]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.079619][  T354]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.079747][  T354]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.079895][  T354]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.080174][  T354]  ? move_addr_to_kernel (net/socket.c:258)
[   31.080362][  T354]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.080552][  T354]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.080682][  T354]  ___sys_sendmsg (net/socket.c:2752)
[   31.080892][  T354]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.081051][  T354]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.081193][  T354]  __sys_sendmsg (net/socket.c:2784)
[   31.081517][  T354]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.081709][  T354]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.081952][  T354]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.082138][  T354]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.082386][  T354]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.082586][  T354]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.082780][  T354]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.082973][  T354]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.083294][  T354] RIP: 0033:0x7efffe62308e
[   31.083481][  T354] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.084301][  T354] RSP: 002b:00007ffdedd15080 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.084515][  T354] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007efffe62308e
[   31.084892][  T354] RDX: 0000000000000000 RSI: 00007ffdedd15130 RDI: 0000000000000005
[   31.085085][  T354] RBP: 00007ffdedd15090 R08: 0000000000000000 R09: 0000000000000000
[   31.085277][  T354] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   31.085491][  T354] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdedd157f0
| [   31.177033][  T357] ------------[ cut here ]------------
| [   31.177186][  T357] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/357
| [   31.177433][  T357] Modules linked in:
| [   31.177803][  T357] Tainted: [W]=WARN
[   31.177901][  T357] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.178065][  T357] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.178234][  T357] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.178709][  T357] RSP: 0018:ffa0000000ee7020 EFLAGS: 00010286
[   31.178875][  T357] RAX: 00000000ffffffa6 RBX: ff11000009ccda80 RCX: 1ff40000001dcdca
[   31.179072][  T357] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009ccdb3c
[   31.179266][  T357] RBP: ff11000013014000 R08: 1fe2200001399b69 R09: ff1100000aac2e58
[   31.179470][  T357] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   31.179664][  T357] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   31.179859][  T357] FS:  00007f3d423be840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   31.180087][  T357] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.180249][  T357] CR2: 000000003391e988 CR3: 000000000e67f004 CR4: 0000000000771ef0
[   31.180516][  T357] PKRU: 55555554
[   31.180615][  T357] Call Trace:
[   31.180714][  T357]  <TASK>
[   31.180782][  T357]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.180974][  T357]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.181075][  T357]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   31.181205][  T357]  __dev_notify_flags (net/core/dev.c:9787)
[   31.181337][  T357]  ? netif_change_name (net/core/dev.c:1495)
[   31.181544][  T357]  ? __dev_change_flags (net/core/dev.c:9752)
[   31.181677][  T357]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   31.181806][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.181936][  T357]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   31.182069][  T357]  netif_change_flags (net/core/dev.c:9820)
[   31.182199][  T357]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   31.182329][  T357]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   31.182498][  T357]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.182632][  T357]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.182795][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.182925][  T357]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.183054][  T357]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.183185][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.183316][  T357]  ? __kernel_text_address (kernel/extable.c:79)
[   31.183459][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.183593][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.183723][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.183854][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.183984][  T357]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.184114][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.184243][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.184380][  T357]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.184521][  T357]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.184652][  T357]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.184781][  T357]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.184913][  T357]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.185047][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.185180][  T357]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.185312][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.185453][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.185586][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.185718][  T357]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.185847][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.185980][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.186110][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.186239][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.186375][  T357]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.186513][  T357]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.186644][  T357]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.186774][  T357]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.186904][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.187034][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.187166][  T357]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.187296][  T357]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.187439][  T357]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.187570][  T357]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.187700][  T357]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.187835][  T357]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.187965][  T357]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.188097][  T357]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.188228][  T357]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.188359][  T357]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.188503][  T357]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.188636][  T357]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.188770][  T357]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.188903][  T357]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.189032][  T357]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.189162][  T357]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.189323][  T357]  ? move_addr_to_kernel (net/socket.c:258)
[   31.189498][  T357]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.189632][  T357]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.189764][  T357]  ___sys_sendmsg (net/socket.c:2752)
[   31.189894][  T357]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.190059][  T357]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.190202][  T357]  __sys_sendmsg (net/socket.c:2784)
[   31.190333][  T357]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.190472][  T357]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.190640][  T357]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.190770][  T357]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.190901][  T357]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.191032][  T357]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.191165][  T357]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.191295][  T357]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.191467][  T357] RIP: 0033:0x7f3d425f808e
[   31.191605][  T357] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.192069][  T357] RSP: 002b:00007ffc017a69a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.192266][  T357] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f3d425f808e
[   31.192477][  T357] RDX: 0000000000000000 RSI: 00007ffc017a6a50 RDI: 0000000000000005
[   31.192673][  T357] RBP: 00007ffc017a69b0 R08: 0000000000000000 R09: 0000000000000000
[   31.192868][  T357] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   31.193063][  T357] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc017a7120
| [   31.195624][   T39] ------------[ cut here ]------------
| [   31.195792][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   31.196078][   T39] Modules linked in:
| [   31.196563][   T39] Tainted: [W]=WARN
[   31.196701][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.196898][   T39] Workqueue: events_unbound linkwatch_event
[   31.197102][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.197309][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.197821][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   31.198017][   T39] RAX: 00000000ffffffa6 RBX: ff110000051d4200 RCX: 1ff4000000057f02
[   31.198242][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051d42bc
[   31.198490][   T39] RBP: ff11000013014000 R08: 1fe2200000a3a859 R09: ff11000001da51a8
[   31.198723][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   31.198947][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.199172][   T39] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   31.199448][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.199644][   T39] CR2: 00007fb688fee000 CR3: 000000004c54d005 CR4: 0000000000771ef0
[   31.199871][   T39] PKRU: 55555554
[   31.200009][   T39] Call Trace:
[   31.200145][   T39]  <TASK>
[   31.200254][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.200446][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   31.200618][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.200759][   T39]  netif_state_change (net/core/dev.c:1605)
[   31.200929][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   31.201130][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   31.201298][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   31.201487][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.201657][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   31.201826][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   31.201993][   T39]  process_one_work (kernel/workqueue.c:3314)
[   31.202167][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   31.202333][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.202527][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   31.202700][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   31.202865][   T39]  kthread (kernel/kthread.c:436)
[   31.203007][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.203203][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   31.203382][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.203565][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   31.203761][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.203930][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   31.204097][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   31.206377][   T39] ------------[ cut here ]------------
| [   31.206589][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   31.206876][   T39] Modules linked in:
| [   31.207333][   T39] Tainted: [W]=WARN
[   31.207497][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.207696][   T39] Workqueue: events_unbound linkwatch_event
[   31.207910][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.208117][   T39] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.208629][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   31.208828][   T39] RAX: 00000000ffffffa6 RBX: ff110000051d4e40 RCX: 1ff4000000057f02
[   31.209058][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000051d4efc
[   31.209312][   T39] RBP: ff11000009749000 R08: 1fe2200000a3a9e1 R09: ff11000001da51a8
[   31.209638][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   31.209865][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   31.210098][   T39] FS:  0000000000000000(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   31.210359][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.210578][   T39] CR2: 00007fb688fee000 CR3: 000000004c54d005 CR4: 0000000000771ef0
[   31.210806][   T39] PKRU: 55555554
[   31.211031][   T39] Call Trace:
[   31.211168][   T39]  <TASK>
[   31.211280][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.211474][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   31.211643][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.211784][   T39]  netif_state_change (net/core/dev.c:1605)
[   31.211954][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   31.212259][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   31.212448][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   31.212623][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.212792][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   31.212962][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   31.213132][   T39]  process_one_work (kernel/workqueue.c:3314)
[   31.213307][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   31.213492][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.213668][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   31.213921][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   31.214090][   T39]  kthread (kernel/kthread.c:436)
[   31.214230][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   31.214521][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   31.214692][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   31.214862][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   31.215064][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   31.215234][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   31.215429][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   31.277256][  T358] ------------[ cut here ]------------
| [   31.277429][  T358] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/358
| [   31.277667][  T358] Modules linked in:
| [   31.278050][  T358] Tainted: [W]=WARN
[   31.278154][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.278324][  T358] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.278514][  T358] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.279000][  T358] RSP: 0018:ffa0000000ef6e90 EFLAGS: 00010286
[   31.279171][  T358] RAX: 00000000ffffffa6 RBX: ff1100000f1c7e00 RCX: 1ff40000001ded98
[   31.279377][  T358] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1c7ebc
[   31.279584][  T358] RBP: ff11000009749000 R08: 1fe2200001e38fd9 R09: ff1100000aac5158
[   31.279787][  T358] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   31.279991][  T358] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   31.280196][  T358] FS:  00007f587499e840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   31.280445][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.280617][  T358] CR2: 00000000232473b8 CR3: 0000000005f14006 CR4: 0000000000771ef0
[   31.280824][  T358] PKRU: 55555554
[   31.280925][  T358] Call Trace:
[   31.281027][  T358]  <TASK>
[   31.281096][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.281234][  T358]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   31.281377][  T358]  notifier_call_chain (kernel/notifier.c:85)
[   31.281522][  T358]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   31.281658][  T358]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   31.281828][  T358]  veth_xdp_set (drivers/net/veth.c:1638)
[   31.281969][  T358]  ? veth_xdp_set (drivers/net/veth.c:1608 (discriminator 2))
[   31.282105][  T358]  dev_xdp_install (net/core/dev.c:10348)
[   31.282242][  T358]  ? netif_set_xps_queue (net/core/dev.c:3063)
[   31.282388][  T358]  dev_xdp_attach (net/core/dev.c:10504)
[   31.282531][  T358]  ? __bpf_prog_get (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:2013 kernel/bpf/syscall.c:2550 kernel/bpf/syscall.c:2598)
[   31.282668][  T358]  ? bpf_xdp_link_update (./include/net/netdev_lock.h:33)
[   31.282803][  T358]  ? __bpf_prog_get (kernel/bpf/syscall.c:2550)
[   31.282941][  T358]  dev_change_xdp_fd (net/core/dev.c:10759)
[   31.283078][  T358]  do_setlink.isra.0 (net/core/rtnetlink.c:3440 (discriminator 1))
[   31.283218][  T358]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.283354][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.283535][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.283671][  T358]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.283807][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.283945][  T358]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.284084][  T358]  ? __kernel_text_address (kernel/extable.c:79)
[   31.284221][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.284359][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.284505][  T358]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.284641][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.284775][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.284910][  T358]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.285049][  T358]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.285186][  T358]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.285322][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.285470][  T358]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.285607][  T358]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.285746][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.285888][  T358]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.286030][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.286164][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.286300][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.286445][  T358]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.286580][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.286720][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.286855][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.286990][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.287129][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.287265][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.287413][  T358]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.287551][  T358]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.287688][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.287824][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.287963][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.288102][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.288240][  T358]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.288383][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.288525][  T358]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.288667][  T358]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.288802][  T358]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.288940][  T358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.289077][  T358]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.289214][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.289353][  T358]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.289502][  T358]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.289640][  T358]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.289779][  T358]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.289915][  T358]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.290052][  T358]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.290224][  T358]  ? move_addr_to_kernel (net/socket.c:258)
[   31.290362][  T358]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.290509][  T358]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.290646][  T358]  ___sys_sendmsg (net/socket.c:2752)
[   31.290781][  T358]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.290952][  T358]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.291102][  T358]  __sys_sendmsg (net/socket.c:2784)
[   31.291243][  T358]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.291383][  T358]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.291564][  T358]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.291700][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.291839][  T358]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.291978][  T358]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.292115][  T358]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.292252][  T358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.292437][  T358] RIP: 0033:0x7f5874bd808e
[   31.292585][  T358] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.293075][  T358] RSP: 002b:00007fffae0b2180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.293286][  T358] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5874bd808e
[   31.293507][  T358] RDX: 0000000000000000 RSI: 00007fffae0b2230 RDI: 0000000000000005
[   31.293710][  T358] RBP: 00007fffae0b2190 R08: 0000000000000000 R09: 0000000000000000
[   31.293918][  T358] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   31.294123][  T358] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffae0b2900
| [   31.301508][  T358] ------------[ cut here ]------------
| [   31.301651][  T358] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/358
| [   31.301882][  T358] Modules linked in:
| [   31.302245][  T358] Tainted: [W]=WARN
[   31.302344][  T358] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   31.303622][  T358] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   31.303792][  T358] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   31.304255][  T358] RSP: 0018:ffa0000000ef70a0 EFLAGS: 00010286
[   31.304528][  T358] RAX: 00000000ffffffa6 RBX: ff1100001022a040 RCX: 1ff40000001dedda
[   31.304722][  T358] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001022a0fc
[   31.304916][  T358] RBP: ff11000013014000 R08: 1fe2200002045421 R09: ff1100000aac5158
[   31.305110][  T358] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   31.305304][  T358] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000132e7164
[   31.305559][  T358] FS:  00007f587499e840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   31.305841][  T358] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   31.306004][  T358] CR2: 00000000232473b8 CR3: 0000000005f14006 CR4: 0000000000771ef0
[   31.306200][  T358] PKRU: 55555554
[   31.306296][  T358] Call Trace:
[   31.306459][  T358]  <TASK>
[   31.306526][  T358]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   31.306657][  T358]  ? notifier_call_chain (kernel/notifier.c:85)
[   31.306791][  T358]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   31.306891][  T358]  netif_state_change (net/core/dev.c:1605)
[   31.307022][  T358]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   31.307183][  T358]  ? dev_change_xdp_fd (net/core/dev.c:10759)
[   31.307312][  T358]  do_setlink.isra.0 (net/core/rtnetlink.c:3453)
[   31.307524][  T358]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   31.307658][  T358]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   31.307820][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   31.307948][  T358]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.308076][  T358]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   31.308204][  T358]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.308334][  T358]  ? __kernel_text_address (kernel/extable.c:79)
[   31.308524][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.308659][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.308789][  T358]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   31.308916][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.309044][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.309173][  T358]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   31.309304][  T358]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   31.309494][  T358]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   31.309625][  T358]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   31.309761][  T358]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   31.309890][  T358]  ? nla_get_range_signed (lib/nlattr.c:270)
[   31.310021][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   31.310156][  T358]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   31.310287][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.310475][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.310606][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.310735][  T358]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   31.310867][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.310998][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.311126][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.311253][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.311385][  T358]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   31.311581][  T358]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   31.311712][  T358]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   31.311845][  T358]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.311973][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.312101][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.312233][  T358]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   31.312361][  T358]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   31.312576][  T358]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   31.312706][  T358]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   31.312835][  T358]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   31.312972][  T358]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   31.313102][  T358]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   31.313233][  T358]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   31.313364][  T358]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   31.313580][  T358]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   31.313710][  T358]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   31.313840][  T358]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   31.313975][  T358]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   31.314108][  T358]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   31.314238][  T358]  ? copy_msghdr_from_user (net/socket.c:2635)
[   31.314366][  T358]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   31.314584][  T358]  ? move_addr_to_kernel (net/socket.c:258)
[   31.314715][  T358]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   31.314845][  T358]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   31.314978][  T358]  ___sys_sendmsg (net/socket.c:2752)
[   31.315108][  T358]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   31.315268][  T358]  ? copy_msghdr_from_user (net/socket.c:2603)
[   31.315470][  T358]  __sys_sendmsg (net/socket.c:2784)
[   31.315599][  T358]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   31.315728][  T358]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   31.315893][  T358]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   31.316024][  T358]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   31.316156][  T358]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   31.316284][  T358]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   31.316482][  T358]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   31.316611][  T358]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   31.316771][  T358] RIP: 0033:0x7f5874bd808e
[   31.316907][  T358] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   31.317387][  T358] RSP: 002b:00007fffae0b2180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   31.317638][  T358] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f5874bd808e
[   31.317832][  T358] RDX: 0000000000000000 RSI: 00007fffae0b2230 RDI: 0000000000000005
[   31.318030][  T358] RBP: 00007fffae0b2190 R08: 0000000000000000 R09: 0000000000000000
[   31.318223][  T358] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c2
[   31.318478][  T358] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffae0b2900
| [   35.530687][   T12] ------------[ cut here ]------------
| [   35.530854][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   35.531094][   T12] Modules linked in:
| [   35.531472][   T12] Tainted: [W]=WARN
[   35.531561][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.531710][   T12] Workqueue: netns cleanup_net
[   35.531835][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.531989][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.532426][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.532576][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ddc5000 RCX: 1ff4000000018eed
[   35.532752][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddc50bc
[   35.533008][   T12] RBP: ff1100000b57c000 R08: 1fe2200001bb8a19 R09: ff11000001aed1d0
[   35.533207][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   35.533390][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.533581][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   35.533789][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.533936][   T12] CR2: 00007f4217fd2000 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   35.534112][   T12] PKRU: 55555554
[   35.534200][   T12] Call Trace:
[   35.534287][   T12]  <TASK>
[   35.534349][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.534575][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.534718][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.534838][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.534956][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.535075][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.535194][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.535314][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.535487][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.535605][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.535726][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.535844][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.535959][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.536078][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.536192][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.536317][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.536490][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.536607][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.536752][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.536876][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.536993][   T12]  kthread (kernel/kthread.c:436)
[   35.537080][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.537226][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.537347][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.537476][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.537629][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.537746][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.537863][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.540435][   T12] ------------[ cut here ]------------
| [   35.540568][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   35.540801][   T12] Modules linked in:
| [   35.541162][   T12] Tainted: [W]=WARN
[   35.541250][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.541548][   T12] Workqueue: netns cleanup_net
[   35.541674][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.541830][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.542250][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.542414][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ddc5380 RCX: 1ff4000000018eed
[   35.542591][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ddc543c
[   35.542768][   T12] RBP: ff1100000f2f9000 R08: 1fe2200001bb8a89 R09: ff11000001aed1d0
[   35.542943][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   35.543118][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.543292][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   35.543514][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.543663][   T12] CR2: 00007f4217fd2000 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   35.543839][   T12] PKRU: 55555554
[   35.543929][   T12] Call Trace:
[   35.544016][   T12]  <TASK>
[   35.544079][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.544234][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.544389][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.544514][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.544634][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.544750][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.544871][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.544991][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.545110][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.545230][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.545350][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.545479][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.545597][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.545715][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.545831][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.545952][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.546074][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.546195][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.546323][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.546458][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.546698][   T12]  kthread (kernel/kthread.c:436)
[   35.546805][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.546953][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.547072][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.547260][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.547426][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.547543][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.547666][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.551340][   T12] ------------[ cut here ]------------
| [   35.551492][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.551734][   T12] Modules linked in:
| [   35.552094][   T12] Tainted: [W]=WARN
[   35.552184][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.552335][   T12] Workqueue: netns cleanup_net
[   35.552472][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.552626][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.553043][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.553196][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf20c80 RCX: 1ff4000000018eed
[   35.553371][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf20d3c
[   35.553559][   T12] RBP: ff1100000997c000 R08: 1fe22000017e41a9 R09: ff11000001aed1d0
[   35.553739][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.553912][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.554097][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.554301][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.554463][   T12] CR2: 00007f2c64c3c8f4 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   35.554639][   T12] PKRU: 55555554
[   35.554727][   T12] Call Trace:
[   35.554814][   T12]  <TASK>
[   35.554876][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.555028][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.555175][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.555293][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.555426][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.555546][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.555665][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.555786][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.555906][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.556024][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.556145][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.556264][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.556381][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.556511][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.556629][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.556749][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.556869][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.556987][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.557109][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.557235][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.557357][   T12]  kthread (kernel/kthread.c:436)
[   35.557457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.557608][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.557729][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.557849][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.557995][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.558115][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.558233][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.560194][   T12] ------------[ cut here ]------------
| [   35.560312][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.560559][   T12] Modules linked in:
| [   35.560915][   T12] Tainted: [W]=WARN
[   35.561003][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.561147][   T12] Workqueue: netns cleanup_net
[   35.561268][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.561430][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.561846][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.561996][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf20900 RCX: 1ff4000000018eed
[   35.562170][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf209bc
[   35.562348][   T12] RBP: ff1100000f934000 R08: 1fe22000017e4139 R09: ff11000001aed1d0
[   35.562534][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.562715][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.562891][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.563099][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.563249][   T12] CR2: 00007f2c64c3c8f4 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   35.563437][   T12] PKRU: 55555554
[   35.563524][   T12] Call Trace:
[   35.563611][   T12]  <TASK>
[   35.563675][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.563824][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.563968][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.564086][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.564207][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.564323][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.564454][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.564574][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.564693][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.564808][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.564929][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.565046][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.565164][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.565294][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.565420][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.565538][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.565658][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.565773][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.565893][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.566013][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.566131][   T12]  kthread (kernel/kthread.c:436)
[   35.566218][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.566362][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.566489][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.566607][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.566752][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.566869][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.566987][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.568936][   T12] ------------[ cut here ]------------
| [   35.569053][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.569282][   T12] Modules linked in:
| [   35.570374][   T12] Tainted: [W]=WARN
[   35.570528][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.570676][   T12] Workqueue: netns cleanup_net
[   35.570798][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.570948][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.571379][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.571615][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf20580 RCX: 1ff4000000018eed
[   35.571790][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf2063c
[   35.571963][   T12] RBP: ff1100001340c000 R08: 1fe22000017e40c9 R09: ff11000001aed1d0
[   35.572137][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.572311][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.572537][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.572742][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.572893][   T12] CR2: 00007f2c64c3c8f4 CR3: 000000004c54d003 CR4: 0000000000771ef0
[   35.573075][   T12] PKRU: 55555554
[   35.573163][   T12] Call Trace:
[   35.573250][   T12]  <TASK>
[   35.573311][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.573512][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.573659][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.573776][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.573894][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.574011][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.574130][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.574249][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.574369][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.574536][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.574656][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.574773][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.574888][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.575006][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.575195][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.575317][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.575494][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.575611][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.575736][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.575856][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.575973][   T12]  kthread (kernel/kthread.c:436)
[   35.576133][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.576277][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.576444][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.576562][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.576708][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.576825][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.577014][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.587517][   T12] ------------[ cut here ]------------
| [   35.587661][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   35.587916][   T12] Modules linked in:
| [   35.588310][   T12] Tainted: [W]=WARN
[   35.588426][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.588580][   T12] Workqueue: netns cleanup_net
[   35.588710][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.588872][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.589317][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   35.589491][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fff3380 RCX: 1ff4000000018eaf
[   35.589683][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fff343c
[   35.589868][   T12] RBP: ff11000013014000 R08: 1fe2200001ffe689 R09: ff11000001aed1d0
[   35.590053][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   35.590241][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009749000
[   35.590494][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   35.590714][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.590871][   T12] CR2: 00007fc20ce58574 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   35.591062][   T12] PKRU: 55555554
[   35.591157][   T12] Call Trace:
[   35.591250][   T12]  <TASK>
[   35.591315][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.591554][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.591652][   T12]  netif_close_many (net/core/dev.c:1804)
[   35.591777][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.591904][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.592030][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.592156][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   35.592284][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.592500][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   35.592657][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.592782][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.592937][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.593062][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.593187][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.593342][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.593527][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.593654][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.593780][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.593907][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.594032][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.594160][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.594285][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.594469][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.594594][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.594718][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.594844][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.594967][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.595098][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.595228][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.595353][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.595546][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.595675][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.595799][   T12]  kthread (kernel/kthread.c:436)
[   35.595893][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.596047][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.596173][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.596297][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.596506][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.596631][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.596756][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.599122][   T12] ------------[ cut here ]------------
| [   35.599249][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   35.599508][   T12] Modules linked in:
| [   35.599889][   T12] Tainted: [W]=WARN
[   35.599984][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.600140][   T12] Workqueue: netns cleanup_net
[   35.600274][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.600449][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.600893][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   35.601051][   T12] RAX: 00000000ffffffa6 RBX: ff11000012cba740 RCX: 1ff4000000018eaf
[   35.601235][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012cba7fc
[   35.601431][   T12] RBP: ff11000009749000 R08: 1fe2200002597501 R09: ff11000001aed1d0
[   35.601623][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   35.601810][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc79000
[   35.601998][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   35.602217][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.602373][   T12] CR2: 00007fc20ce58574 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   35.602573][   T12] PKRU: 55555554
[   35.602666][   T12] Call Trace:
[   35.602760][   T12]  <TASK>
[   35.602825][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.602952][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.603081][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.603177][   T12]  netif_close_many (net/core/dev.c:1804)
[   35.603301][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.603437][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.603561][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.603687][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   35.603813][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.603969][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   35.604129][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.604254][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.604421][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.604550][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.604679][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.604840][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.604972][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.605101][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.605225][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.605351][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.605492][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.605621][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.605746][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.605874][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.605999][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.606125][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.606252][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.606376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.606513][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.606641][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.606766][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.606897][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.607028][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.607153][   T12]  kthread (kernel/kthread.c:436)
[   35.607247][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.607414][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.607540][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.607668][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.607827][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.607953][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.608080][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.610452][   T12] ------------[ cut here ]------------
| [   35.610584][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   35.610829][   T12] Modules linked in:
| [   35.611205][   T12] Tainted: [W]=WARN
[   35.611300][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.611991][   T12] Workqueue: netns cleanup_net
[   35.612122][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.612282][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.612843][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   35.613000][   T12] RAX: 00000000ffffffa6 RBX: ff11000002443a80 RCX: 1ff4000000018eaf
[   35.613185][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002443b3c
[   35.613371][   T12] RBP: ff1100000fc79000 R08: 1fe2200000488769 R09: ff11000001aed1d0
[   35.613668][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   35.613853][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   35.614039][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   35.614257][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.614481][   T12] CR2: 00007fc20ce58574 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   35.614672][   T12] PKRU: 55555554
[   35.614767][   T12] Call Trace:
[   35.614860][   T12]  <TASK>
[   35.614925][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.615051][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.615175][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.615271][   T12]  netif_close_many (net/core/dev.c:1804)
[   35.615452][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.615576][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.615700][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.615833][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   35.615959][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.616116][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   35.616271][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.616455][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.616610][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.616734][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.616857][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.617060][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   35.617186][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.617312][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.617496][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.617621][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.617746][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.617872][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.617993][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.618119][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.618244][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.618366][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.618553][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.618677][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.618802][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.618930][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.619052][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.619179][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.619306][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.619484][   T12]  kthread (kernel/kthread.c:436)
[   35.619580][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.619732][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.619855][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.619979][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.620135][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.620260][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.620391][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.641876][   T12] ------------[ cut here ]------------
| [   35.642013][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.642252][   T12] Modules linked in:
| [   35.642737][   T12] Tainted: [W]=WARN
[   35.642827][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.642974][   T12] Workqueue: netns cleanup_net
[   35.643101][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.643254][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.643691][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   35.643841][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e47a80 RCX: 1ff4000000018ed5
[   35.644018][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e47b3c
[   35.644194][   T12] RBP: ff11000013014000 R08: 1fe22000009c8f69 R09: ff11000001aed1d0
[   35.644371][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.644557][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.644737][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.644946][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.645095][   T12] CR2: 000055fd4197ad5c CR3: 000000000fdf5001 CR4: 0000000000771ef0
[   35.645273][   T12] PKRU: 55555554
[   35.645363][   T12] Call Trace:
[   35.645468][   T12]  <TASK>
[   35.645531][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.645684][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.645831][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.645950][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.646069][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.646222][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.646342][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.646477][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.646597][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.646728][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.646850][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.646968][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.647090][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.647210][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.647331][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.647461][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.647579][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.647699][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.647822][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.647943][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.648071][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.648195][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.648316][   T12]  kthread (kernel/kthread.c:436)
[   35.648416][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.648563][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.648682][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.648801][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.648953][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.649072][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.649192][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.651594][   T12] ------------[ cut here ]------------
| [   35.651717][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.651954][   T12] Modules linked in:
| [   35.652311][   T12] Tainted: [W]=WARN
[   35.652411][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.652560][   T12] Workqueue: netns cleanup_net
[   35.652686][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.652839][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.653264][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   35.653427][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e47000 RCX: 1ff4000000018ed5
[   35.653605][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e470bc
[   35.653782][   T12] RBP: ff11000009749000 R08: 1fe22000009c8e19 R09: ff11000001aed1d0
[   35.653956][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.654133][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.654315][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.654534][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.654689][   T12] CR2: 000055fd4197ad5c CR3: 000000000fdf5001 CR4: 0000000000771ef0
[   35.654867][   T12] PKRU: 55555554
[   35.654956][   T12] Call Trace:
[   35.655047][   T12]  <TASK>
[   35.655114][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.655265][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.655425][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.655544][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.655662][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.655815][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.655936][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.656058][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.656177][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.656297][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.656429][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.656547][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.656669][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.656789][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.656907][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.657029][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.657148][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.657270][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.657405][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.657527][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.657651][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.657783][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.657905][   T12]  kthread (kernel/kthread.c:436)
[   35.657994][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.658142][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.658260][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.658381][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.658540][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.658663][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.658784][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.661160][   T12] ------------[ cut here ]------------
| [   35.661280][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.661669][   T12] Modules linked in:
| [   35.662031][   T12] Tainted: [W]=WARN
[   35.662121][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.662273][   T12] Workqueue: netns cleanup_net
[   35.662502][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.662659][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.663100][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   35.663253][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e463c0 RCX: 1ff4000000018ed5
[   35.663525][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e4647c
[   35.663707][   T12] RBP: ff1100000fc79000 R08: 1fe22000009c8c91 R09: ff11000001aed1d0
[   35.663930][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.664107][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.664286][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.664549][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.664701][   T12] CR2: 000055fd4197ad5c CR3: 000000000fdf5001 CR4: 0000000000771ef0
[   35.664877][   T12] PKRU: 55555554
[   35.664966][   T12] Call Trace:
[   35.665060][   T12]  <TASK>
[   35.665124][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.665275][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.665506][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.665631][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.665749][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   35.665905][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.666028][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.666151][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.666271][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.666449][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.666570][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.666687][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.666809][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.666932][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.667054][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.667175][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.667294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.667468][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.667589][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.667707][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.667830][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.667955][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.668075][   T12]  kthread (kernel/kthread.c:436)
[   35.668165][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.668320][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.668493][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.668614][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.668768][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.668890][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.669089][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.696173][   T12] ------------[ cut here ]------------
| [   35.696309][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   35.696554][   T12] Modules linked in:
| [   35.696922][   T12] Tainted: [W]=WARN
[   35.697010][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.697155][   T12] Workqueue: netns cleanup_net
[   35.697276][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.697445][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.697865][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.698024][   T12] RAX: 00000000ffffffa6 RBX: ff11000002442c80 RCX: 1ff4000000018eed
[   35.698197][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000002442d3c
[   35.698372][   T12] RBP: ff1100000932c000 R08: 1fe22000004885a9 R09: ff11000001aed1d0
[   35.698560][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.698736][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.698914][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   35.699120][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.699270][   T12] CR2: 00007fc20ce58574 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   35.699458][   T12] PKRU: 55555554
[   35.699545][   T12] Call Trace:
[   35.699632][   T12]  <TASK>
[   35.699694][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.699843][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.699995][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.700111][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.700233][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.700349][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.700480][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.700598][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.700723][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.700840][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.700964][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.701083][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.701198][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.701321][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.701451][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.701575][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.701699][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.701817][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.701939][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.702064][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.702190][   T12]  kthread (kernel/kthread.c:436)
[   35.702279][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.702433][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.702548][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.702670][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.702821][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.702937][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.703053][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.705498][   T12] ------------[ cut here ]------------
| [   35.705623][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   35.705855][   T12] Modules linked in:
| [   35.706213][   T12] Tainted: [W]=WARN
[   35.706311][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.706467][   T12] Workqueue: netns cleanup_net
[   35.706588][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.706746][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.707166][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.707313][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fea5e00 RCX: 1ff4000000018eed
[   35.707494][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fea5ebc
[   35.707667][   T12] RBP: ff11000008169000 R08: 1fe2200001fd4bd9 R09: ff11000001aed1d0
[   35.707841][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.708021][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.708194][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   35.708405][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.708554][   T12] CR2: 00007fc20ce58574 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   35.708732][   T12] PKRU: 55555554
[   35.708819][   T12] Call Trace:
[   35.708907][   T12]  <TASK>
[   35.708968][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.709117][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.709262][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.709379][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.709507][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.709626][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.709743][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.709862][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.709980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.710095][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.710215][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.710332][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.710462][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.710580][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.710697][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.710815][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.710936][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.711052][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.711172][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.711296][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.711424][   T12]  kthread (kernel/kthread.c:436)
[   35.711513][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.711661][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.711778][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.711896][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.712043][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.712163][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.712281][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.714475][   T12] ------------[ cut here ]------------
| [   35.714594][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   35.714823][   T12] Modules linked in:
| [   35.715181][   T12] Tainted: [W]=WARN
[   35.715273][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.715431][   T12] Workqueue: netns cleanup_net
[   35.715553][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.715705][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.716125][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.716272][   T12] RAX: 00000000ffffffa6 RBX: ff1100000fea5700 RCX: 1ff4000000018eed
[   35.716779][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fea57bc
[   35.716959][   T12] RBP: ff1100000a874000 R08: 1fe2200001fd4af9 R09: ff11000001aed1d0
[   35.717132][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   35.717308][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.717585][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   35.717789][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.717941][   T12] CR2: 00007fc20ce58574 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   35.718122][   T12] PKRU: 55555554
[   35.718211][   T12] Call Trace:
[   35.718298][   T12]  <TASK>
[   35.718360][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.718561][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.718708][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.718826][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.718948][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.719138][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.719255][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.719377][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.719618][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.719734][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.719852][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.719974][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.720088][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.720208][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.720323][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.720493][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.720612][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.720728][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.720853][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.720974][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.721091][   T12]  kthread (kernel/kthread.c:436)
[   35.721178][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.721448][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.721570][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.721687][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.721832][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.721952][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.722070][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.724293][   T12] ------------[ cut here ]------------
| [   35.724885][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.725119][   T12] Modules linked in:
| [   35.725558][   T12] Tainted: [W]=WARN
[   35.725647][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.725838][   T12] Workqueue: netns cleanup_net
[   35.725959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.726113][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.726536][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.726683][   T12] RAX: 00000000ffffffa6 RBX: ff11000004e46040 RCX: 1ff4000000018eed
[   35.726858][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004e460fc
[   35.727030][   T12] RBP: ff1100000218c000 R08: 1fe22000009c8c21 R09: ff11000001aed1d0
[   35.727202][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.727379][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.727569][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.727776][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.727922][   T12] CR2: 00007f1a2ea2bc20 CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.728103][   T12] PKRU: 55555554
[   35.728189][   T12] Call Trace:
[   35.728276][   T12]  <TASK>
[   35.728338][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.728495][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.728640][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.728755][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.728872][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.728987][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.729103][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.729221][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.729341][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.729467][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.729587][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.729708][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.729824][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.729941][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.730056][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.730174][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.730295][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.730423][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.730544][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.730667][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.730787][   T12]  kthread (kernel/kthread.c:436)
[   35.730875][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.731021][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.731140][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.731256][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.731410][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.731526][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.731642][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.733589][   T12] ------------[ cut here ]------------
| [   35.733705][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.733930][   T12] Modules linked in:
| [   35.734283][   T12] Tainted: [W]=WARN
[   35.734370][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.734768][   T12] Workqueue: netns cleanup_net
[   35.734890][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.735043][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.735465][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   35.735612][   T12] RAX: 00000000ffffffa6 RBX: ff11000012e83c40 RCX: 1ff4000000018eed
[   35.735787][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012e83cfc
[   35.735960][   T12] RBP: ff11000001dec000 R08: 1fe22000025d07a1 R09: ff11000001aed1d0
[   35.736132][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.736305][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.736492][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.736697][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.736841][   T12] CR2: 00007f1a2ea2bc20 CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.737020][   T12] PKRU: 55555554
[   35.737107][   T12] Call Trace:
[   35.737193][   T12]  <TASK>
[   35.737255][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.737410][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.737556][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   35.737671][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   35.737788][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.737905][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   35.738025][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.738142][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   35.738260][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.738375][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.738506][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.738627][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.738747][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.738864][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.738979][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.739098][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.739217][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.739333][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.739465][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.739586][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.739702][   T12]  kthread (kernel/kthread.c:436)
[   35.739790][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.739939][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.740060][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.740176][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.740323][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.740451][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.740573][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.748553][  T375] ------------[ cut here ]------------
| [   35.748697][  T375] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/375
| [   35.748924][  T375] Modules linked in:
| [   35.749288][  T375] Tainted: [W]=WARN
[   35.750390][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.750611][  T375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.750781][  T375] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.751242][  T375] RSP: 0018:ffa0000000d67a80 EFLAGS: 00010286
[   35.751472][  T375] RAX: 00000000ffffffa6 RBX: ff110000057a3380 RCX: 1ff40000001acf16
[   35.751666][  T375] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057a343c
[   35.751860][  T375] RBP: ff11000008149000 R08: 1fe2200000af4689 R09: ff1100000f95d180
[   35.752052][  T375] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.752247][  T375] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008149000
[   35.752511][  T375] FS:  00007f1a2e82a840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.752738][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.752901][  T375] CR2: 00007f1a2ea2bc20 CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.753099][  T375] PKRU: 55555554
[   35.753197][  T375] Call Trace:
[   35.753294][  T375]  <TASK>
[   35.753363][  T375]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.753553][  T375]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.753685][  T375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.753784][  T375]  register_netdevice (net/core/dev.c:11488)
[   35.753916][  T375]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.754080][  T375]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   35.754212][  T375]  register_netdev (net/core/dev.c:11552)
[   35.754341][  T375]  loopback_net_init (drivers/net/loopback.c:218)
[   35.754535][  T375]  ops_init (net/core/net_namespace.c:137)
[   35.754638][  T375]  setup_net (net/core/net_namespace.c:446)
[   35.754736][  T375]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   35.754864][  T375]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   35.754994][  T375]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   35.755128][  T375]  copy_net_ns (net/core/net_namespace.c:579)
[   35.755259][  T375]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.755452][  T375]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.755582][  T375]  ksys_unshare (kernel/fork.c:3243)
[   35.755714][  T375]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.755846][  T375]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   35.755977][  T375]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   35.756110][  T375]  ? __ia32_sys_open (fs/open.c:1374)
[   35.756241][  T375]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.756370][  T375]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.756557][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.756688][  T375]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.756818][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.756947][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.757109][  T375] RIP: 0033:0x7f1a2eaecbcb
[   35.757248][  T375] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.757778][  T375] RSP: 002b:00007ffd20ad8528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   35.757975][  T375] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a2eaecbcb
[   35.758170][  T375] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.758367][  T375] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   35.758621][  T375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd20ada750
[   35.758817][  T375] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd20adc886
| [   35.763832][  T375] ------------[ cut here ]------------
| [   35.764012][  T375] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/375
| [   35.764290][  T375] Modules linked in:
| [   35.764780][  T375] Tainted: [W]=WARN
[   35.764923][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.765130][  T375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.765347][  T375] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.765872][  T375] RSP: 0018:ffa0000000d67918 EFLAGS: 00010286
[   35.766080][  T375] RAX: 00000000ffffffa6 RBX: ff1100000e740040 RCX: 1ff40000001acee9
[   35.766319][  T375] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e7400fc
[   35.766581][  T375] RBP: ff110000084e1000 R08: 1fe2200001ce8021 R09: ff1100000f95d180
[   35.766819][  T375] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.767055][  T375] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000084e1000
[   35.767298][  T375] FS:  00007f1a2e82a840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   35.767595][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.767803][  T375] CR2: 0000564bae7b2d5c CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.768045][  T375] PKRU: 55555554
[   35.768188][  T375] Call Trace:
[   35.768333][  T375]  <TASK>
[   35.768467][  T375]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.768647][  T375]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.768837][  T375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.768984][  T375]  register_netdevice (net/core/dev.c:11488)
[   35.769161][  T375]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.769372][  T375]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   35.769573][  T375]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   35.769750][  T375]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   35.769931][  T375]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   35.770109][  T375]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   35.770287][  T375]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   35.770483][  T375]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   35.770663][  T375]  ops_init (net/core/net_namespace.c:137)
[   35.770811][  T375]  setup_net (net/core/net_namespace.c:446)
[   35.770957][  T375]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   35.771131][  T375]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   35.771313][  T375]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   35.771510][  T375]  copy_net_ns (net/core/net_namespace.c:579)
[   35.771689][  T375]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.771868][  T375]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.772045][  T375]  ksys_unshare (kernel/fork.c:3243)
[   35.772223][  T375]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.772420][  T375]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   35.772600][  T375]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   35.772779][  T375]  ? __ia32_sys_open (fs/open.c:1374)
[   35.772959][  T375]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.773138][  T375]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.773318][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.773513][  T375]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.773694][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.773873][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.774084][  T375] RIP: 0033:0x7f1a2eaecbcb
[   35.774268][  T375] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.774792][  T375] RSP: 002b:00007ffd20ad8528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   35.775039][  T375] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a2eaecbcb
[   35.775277][  T375] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.775537][  T375] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   35.775778][  T375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd20ada750
[   35.776020][  T375] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd20adc886
| [   35.777953][   T12] ------------[ cut here ]------------
| [   35.778078][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.778321][   T12] Modules linked in:
| [   35.778706][   T12] Tainted: [W]=WARN
[   35.778798][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.778950][   T12] Workqueue: netns cleanup_net
[   35.779078][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.779238][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.779686][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   35.779841][   T12] RAX: 00000000ffffffa6 RBX: ff110000057a31c0 RCX: 1ff4000000018eaf
[   35.780026][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057a327c
[   35.780208][   T12] RBP: ff11000008f14000 R08: 1fe2200000af4651 R09: ff11000001aed1d0
[   35.780402][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   35.780588][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   35.780776][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.780991][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.781143][   T12] CR2: 00007f1a2ea2bc20 CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.781327][   T12] PKRU: 55555554
[   35.781430][   T12] Call Trace:
[   35.781521][   T12]  <TASK>
[   35.781588][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.781712][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.781806][   T12]  netif_close_many (net/core/dev.c:1804)
[   35.781929][   T12]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.782053][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   35.782176][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   35.782329][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   35.782495][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   35.782619][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   35.782741][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   35.782863][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.783017][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.783141][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.783266][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.783399][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.783523][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.783646][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.783773][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.783894][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.784022][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.784146][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.784268][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.784401][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.784525][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.784650][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.784777][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.784899][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.785025][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.785154][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.785279][   T12]  kthread (kernel/kthread.c:436)
[   35.785372][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.785553][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.785677][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.785801][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.785956][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.786080][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.786205][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.788317][   T12] ------------[ cut here ]------------
| [   35.788451][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   35.788683][   T12] Modules linked in:
| [   35.789037][   T12] Tainted: [W]=WARN
[   35.789127][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.789274][   T12] Workqueue: netns cleanup_net
[   35.789862][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.790070][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.790543][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   35.790691][   T12] RAX: 00000000ffffffa6 RBX: ff110000057a2040 RCX: 1ff4000000018ed5
[   35.790868][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057a20fc
[   35.791042][   T12] RBP: ff11000008f14000 R08: 1fe2200000af4421 R09: ff11000001aed1d0
[   35.791218][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   35.791444][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   35.791621][   T12] FS:  0000000000000000(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   35.791831][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.791978][   T12] CR2: 00007f1a2ea2bc20 CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.792154][   T12] PKRU: 55555554
[   35.792242][   T12] Call Trace:
[   35.792329][   T12]  <TASK>
[   35.792444][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   35.792597][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   35.792747][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.792867][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   35.792986][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   35.793109][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   35.793229][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   35.793349][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   35.793523][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   35.793641][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.793762][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   35.793880][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   35.793997][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   35.794116][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.794232][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.794356][   T12]  process_one_work (kernel/workqueue.c:3314)
[   35.794531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   35.794648][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.794771][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   35.794897][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   35.795016][   T12]  kthread (kernel/kthread.c:436)
[   35.795105][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   35.795253][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.795371][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   35.795553][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   35.795703][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   35.795820][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   35.795938][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   35.808854][  T375] ------------[ cut here ]------------
| [   35.809038][  T375] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/375
| [   35.809313][  T375] Modules linked in:
| [   35.809798][  T375] Tainted: [W]=WARN
[   35.809945][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.810156][  T375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.810374][  T375] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.810906][  T375] RSP: 0018:ffa0000000d678f8 EFLAGS: 00010286
[   35.811119][  T375] RAX: 00000000ffffffa6 RBX: ff1100001015f000 RCX: 1ff40000001acee5
[   35.811359][  T375] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001015f0bc
[   35.811623][  T375] RBP: ff110000092d9000 R08: 1fe220000202be19 R09: ff1100000f95d180
[   35.811867][  T375] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.812107][  T375] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000092d9000
[   35.812349][  T375] FS:  00007f1a2e82a840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   35.812643][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.812857][  T375] CR2: 0000564bae7b2d5c CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.813100][  T375] PKRU: 55555554
[   35.813245][  T375] Call Trace:
[   35.813409][  T375]  <TASK>
[   35.813524][  T375]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.813703][  T375]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.813880][  T375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.814030][  T375]  register_netdevice (net/core/dev.c:11488)
[   35.814211][  T375]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.814441][  T375]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   35.814623][  T375]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   35.814803][  T375]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   35.814982][  T375]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   35.815162][  T375]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   35.815344][  T375]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   35.815546][  T375]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   35.815725][  T375]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   35.815906][  T375]  vti_init_net (net/ipv4/ip_vti.c:517)
[   35.816084][  T375]  ops_init (net/core/net_namespace.c:137)
[   35.816232][  T375]  setup_net (net/core/net_namespace.c:446)
[   35.816379][  T375]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   35.816575][  T375]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   35.816758][  T375]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   35.816939][  T375]  copy_net_ns (net/core/net_namespace.c:579)
[   35.817118][  T375]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.817298][  T375]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.817496][  T375]  ksys_unshare (kernel/fork.c:3243)
[   35.817675][  T375]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.817855][  T375]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   35.818035][  T375]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   35.818214][  T375]  ? __ia32_sys_open (fs/open.c:1374)
[   35.818413][  T375]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.818590][  T375]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.818767][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.818946][  T375]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.819125][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.819305][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.819536][  T375] RIP: 0033:0x7f1a2eaecbcb
[   35.819720][  T375] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.820224][  T375] RSP: 002b:00007ffd20ad8528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   35.820493][  T375] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a2eaecbcb
[   35.820733][  T375] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.820973][  T375] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   35.821213][  T375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd20ada750
[   35.821478][  T375] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd20adc886
| [   35.826024][  T375] ------------[ cut here ]------------
| [   35.826199][  T375] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/375
| [   35.826493][  T375] Modules linked in:
| [   35.826947][  T375] Tainted: [W]=WARN
[   35.827090][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.827298][  T375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.827539][  T375] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.828043][  T375] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   35.828255][  T375] RAX: 00000000ffffffa6 RBX: ff1100000fea5380 RCX: 1ff40000001acf15
[   35.828520][  T375] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fea543c
[   35.828764][  T375] RBP: ff11000008869000 R08: 1fe2200001fd4a89 R09: ff1100000f95d180
[   35.829004][  T375] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.829244][  T375] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008869000
[   35.829510][  T375] FS:  00007f1a2e82a840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   35.829785][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.829994][  T375] CR2: 0000564bae7b2d5c CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.830238][  T375] PKRU: 55555554
[   35.830382][  T375] Call Trace:
[   35.830546][  T375]  <TASK>
[   35.830660][  T375]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.830843][  T375]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.831021][  T375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.831168][  T375]  register_netdevice (net/core/dev.c:11488)
[   35.831347][  T375]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.831576][  T375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.831758][  T375]  register_netdev (net/core/dev.c:11552)
[   35.831941][  T375]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   35.832121][  T375]  ops_init (net/core/net_namespace.c:137)
[   35.832267][  T375]  setup_net (net/core/net_namespace.c:446)
[   35.832432][  T375]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   35.832612][  T375]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   35.832792][  T375]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   35.832971][  T375]  copy_net_ns (net/core/net_namespace.c:579)
[   35.833152][  T375]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.833336][  T375]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.833538][  T375]  ksys_unshare (kernel/fork.c:3243)
[   35.833718][  T375]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.833895][  T375]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   35.834072][  T375]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   35.834251][  T375]  ? __ia32_sys_open (fs/open.c:1374)
[   35.834448][  T375]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.834631][  T375]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.834808][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.834986][  T375]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.835165][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.835345][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.835574][  T375] RIP: 0033:0x7f1a2eaecbcb
[   35.835757][  T375] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.836264][  T375] RSP: 002b:00007ffd20ad8528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   35.836526][  T375] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a2eaecbcb
[   35.836766][  T375] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.837007][  T375] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   35.837247][  T375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd20ada750
[   35.837506][  T375] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd20adc886
| [   35.842089][  T375] ------------[ cut here ]------------
| [   35.842268][  T375] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/375
| [   35.842560][  T375] Modules linked in:
| [   35.843017][  T375] Tainted: [W]=WARN
[   35.843161][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.843371][  T375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.843609][  T375] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.844119][  T375] RSP: 0018:ffa0000000d67a68 EFLAGS: 00010286
[   35.844331][  T375] RAX: 00000000ffffffa6 RBX: ff1100000fea4580 RCX: 1ff40000001acf13
[   35.844589][  T375] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000fea463c
[   35.844830][  T375] RBP: ff11000008bc1000 R08: 1fe2200001fd48c9 R09: ff1100000f95d180
[   35.845074][  T375] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.845315][  T375] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bc1000
[   35.845576][  T375] FS:  00007f1a2e82a840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   35.845851][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.846062][  T375] CR2: 0000564bae7b2d5c CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.846307][  T375] PKRU: 55555554
[   35.846470][  T375] Call Trace:
[   35.846616][  T375]  <TASK>
[   35.846731][  T375]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.846910][  T375]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.847088][  T375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.847236][  T375]  register_netdevice (net/core/dev.c:11488)
[   35.847439][  T375]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.847653][  T375]  register_netdev (net/core/dev.c:11552)
[   35.847830][  T375]  sit_init_net (net/ipv6/sit.c:1860)
[   35.848010][  T375]  ops_init (net/core/net_namespace.c:137)
[   35.848160][  T375]  setup_net (net/core/net_namespace.c:446)
[   35.848307][  T375]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   35.848502][  T375]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   35.848686][  T375]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   35.848866][  T375]  copy_net_ns (net/core/net_namespace.c:579)
[   35.849045][  T375]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.849224][  T375]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.849421][  T375]  ksys_unshare (kernel/fork.c:3243)
[   35.849598][  T375]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.849775][  T375]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   35.849955][  T375]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   35.850135][  T375]  ? __ia32_sys_open (fs/open.c:1374)
[   35.850314][  T375]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.850508][  T375]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.850771][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.850948][  T375]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.851125][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.851303][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.851621][  T375] RIP: 0033:0x7f1a2eaecbcb
[   35.851804][  T375] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.852415][  T375] RSP: 002b:00007ffd20ad8528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   35.852657][  T375] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a2eaecbcb
[   35.852899][  T375] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.853227][  T375] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   35.853486][  T375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd20ada750
[   35.853812][  T375] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd20adc886
| [   35.859340][  T375] ------------[ cut here ]------------
| [   35.859616][  T375] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/375
| [   35.859893][  T375] Modules linked in:
| [   35.860351][  T375] Tainted: [W]=WARN
[   35.860513][  T375] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.860722][  T375] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.860941][  T375] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.861470][  T375] RSP: 0018:ffa0000000d67a78 EFLAGS: 00010286
[   35.861682][  T375] RAX: 00000000ffffffa6 RBX: ff1100000bca11c0 RCX: 1ff40000001acf15
[   35.861923][  T375] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bca127c
[   35.862169][  T375] RBP: ff11000008bc9000 R08: 1fe2200001794251 R09: ff1100000f95d180
[   35.862428][  T375] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   35.862670][  T375] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008bc9000
[   35.862914][  T375] FS:  00007f1a2e82a840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   35.863194][  T375] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.863424][  T375] CR2: 0000564bae7b2d5c CR3: 000000000b42b006 CR4: 0000000000771ef0
[   35.863669][  T375] PKRU: 55555554
[   35.863814][  T375] Call Trace:
[   35.863960][  T375]  <TASK>
[   35.864075][  T375]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.864255][  T375]  ? notifier_call_chain (kernel/notifier.c:85)
[   35.864457][  T375]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.864606][  T375]  register_netdevice (net/core/dev.c:11488)
[   35.864788][  T375]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   35.864999][  T375]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.865181][  T375]  register_netdev (net/core/dev.c:11552)
[   35.865360][  T375]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   35.865560][  T375]  ops_init (net/core/net_namespace.c:137)
[   35.865713][  T375]  setup_net (net/core/net_namespace.c:446)
[   35.865861][  T375]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   35.866036][  T375]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   35.866215][  T375]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   35.866412][  T375]  copy_net_ns (net/core/net_namespace.c:579)
[   35.866594][  T375]  create_new_namespaces (kernel/nsproxy.c:132)
[   35.866776][  T375]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   35.866960][  T375]  ksys_unshare (kernel/fork.c:3243)
[   35.867139][  T375]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   35.867318][  T375]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   35.867511][  T375]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   35.867692][  T375]  ? __ia32_sys_open (fs/open.c:1374)
[   35.867873][  T375]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   35.868049][  T375]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   35.868231][  T375]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.868429][  T375]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.868609][  T375]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.868790][  T375]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.869001][  T375] RIP: 0033:0x7f1a2eaecbcb
[   35.869185][  T375] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   35.869714][  T375] RSP: 002b:00007ffd20ad8528 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   35.869958][  T375] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f1a2eaecbcb
[   35.870200][  T375] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   35.870460][  T375] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   35.870705][  T375] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd20ada750
[   35.870947][  T375] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd20adc886
| [   35.905970][  T376] ------------[ cut here ]------------
| [   35.906124][  T376] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/376
| [   35.906356][  T376] Modules linked in:
| [   35.906735][  T376] Tainted: [W]=WARN
[   35.906833][  T376] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   35.906998][  T376] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   35.907168][  T376] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   35.907640][  T376] RSP: 0018:ffa0000000d67020 EFLAGS: 00010286
[   35.907804][  T376] RAX: 00000000ffffffa6 RBX: ff110000132bc3c0 RCX: 1ff40000001acdca
[   35.908000][  T376] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000132bc47c
[   35.908192][  T376] RBP: ff11000008149000 R08: 1fe2200002657891 R09: ff1100000981d158
[   35.908390][  T376] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   35.908589][  T376] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   35.908786][  T376] FS:  00007f94875ac840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   35.909014][  T376] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   35.909177][  T376] CR2: 0000000016ab3988 CR3: 000000000e6b3005 CR4: 0000000000771ef0
[   35.909371][  T376] PKRU: 55555554
[   35.909480][  T376] Call Trace:
[   35.909577][  T376]  <TASK>
[   35.909649][  T376]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   35.909781][  T376]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   35.909880][  T376]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   35.910010][  T376]  __dev_notify_flags (net/core/dev.c:9787)
[   35.910142][  T376]  ? netif_change_name (net/core/dev.c:1495)
[   35.910272][  T376]  ? __dev_change_flags (net/core/dev.c:9752)
[   35.910411][  T376]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   35.910544][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.910674][  T376]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   35.910807][  T376]  netif_change_flags (net/core/dev.c:9820)
[   35.910937][  T376]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   35.911070][  T376]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   35.911203][  T376]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   35.911333][  T376]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   35.911506][  T376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   35.911637][  T376]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.911766][  T376]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   35.911894][  T376]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.912025][  T376]  ? __kernel_text_address (kernel/extable.c:79)
[   35.912154][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.912287][  T376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.912520][  T376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.912651][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.912779][  T376]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   35.912907][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.913035][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.913167][  T376]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   35.913297][  T376]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   35.913503][  T376]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   35.913635][  T376]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   35.913767][  T376]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   35.913898][  T376]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   35.914031][  T376]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   35.914163][  T376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.914294][  T376]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.914517][  T376]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.914728][  T376]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   35.914858][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.914990][  T376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.915120][  T376]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.915250][  T376]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.915381][  T376]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   35.915585][  T376]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   35.915715][  T376]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   35.915845][  T376]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.915974][  T376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.916106][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.916238][  T376]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   35.916368][  T376]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   35.916558][  T376]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   35.916688][  T376]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   35.916818][  T376]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   35.916954][  T376]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   35.917084][  T376]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   35.917214][  T376]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   35.917346][  T376]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   35.917539][  T376]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   35.917671][  T376]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   35.917802][  T376]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   35.917938][  T376]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   35.918072][  T376]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   35.918203][  T376]  ? copy_msghdr_from_user (net/socket.c:2635)
[   35.918332][  T376]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   35.918553][  T376]  ? move_addr_to_kernel (net/socket.c:258)
[   35.918686][  T376]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   35.918816][  T376]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   35.918950][  T376]  ___sys_sendmsg (net/socket.c:2752)
[   35.919079][  T376]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   35.919240][  T376]  ? copy_msghdr_from_user (net/socket.c:2603)
[   35.919384][  T376]  __sys_sendmsg (net/socket.c:2784)
[   35.919597][  T376]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   35.919726][  T376]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   35.919889][  T376]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   35.920019][  T376]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   35.920150][  T376]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   35.920280][  T376]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   35.920484][  T376]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   35.920614][  T376]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   35.920774][  T376] RIP: 0033:0x7f94877e608e
[   35.920909][  T376] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   35.921373][  T376] RSP: 002b:00007fffaaa91800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   35.921581][  T376] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f94877e608e
[   35.921775][  T376] RDX: 0000000000000000 RSI: 00007fffaaa918b0 RDI: 0000000000000005
[   35.921969][  T376] RBP: 00007fffaaa91810 R08: 0000000000000000 R09: 0000000000000000
[   35.922161][  T376] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   35.922356][  T376] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffaaa91f80
| [   36.031886][  T383] ------------[ cut here ]------------
| [   36.032043][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/383
| [   36.032274][  T383] Modules linked in:
| [   36.032657][  T383] Tainted: [W]=WARN
[   36.032755][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.032916][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.033088][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.033560][  T383] RSP: 0018:ffa0000000f97a80 EFLAGS: 00010286
[   36.033725][  T383] RAX: 00000000ffffffa6 RBX: ff11000012f363c0 RCX: 1ff40000001f2f16
[   36.033918][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012f3647c
[   36.034111][  T383] RBP: ff110000098e4000 R08: 1fe22000025e6c91 R09: ff11000008d12e80
[   36.034306][  T383] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.034507][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098e4000
[   36.034704][  T383] FS:  00007fea45dcd840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   36.034936][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.035100][  T383] CR2: 00007fea45fcec20 CR3: 00000000098af005 CR4: 0000000000771ef0
[   36.035295][  T383] PKRU: 55555554
[   36.035403][  T383] Call Trace:
[   36.035501][  T383]  <TASK>
[   36.035570][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.035702][  T383]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.035833][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.035935][  T383]  register_netdevice (net/core/dev.c:11488)
[   36.036066][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.036228][  T383]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.036359][  T383]  register_netdev (net/core/dev.c:11552)
[   36.036498][  T383]  loopback_net_init (drivers/net/loopback.c:218)
[   36.036632][  T383]  ops_init (net/core/net_namespace.c:137)
[   36.036733][  T383]  setup_net (net/core/net_namespace.c:446)
[   36.036834][  T383]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.036962][  T383]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.037092][  T383]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.037224][  T383]  copy_net_ns (net/core/net_namespace.c:579)
[   36.037354][  T383]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.037497][  T383]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.037628][  T383]  ksys_unshare (kernel/fork.c:3243)
[   36.037761][  T383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.037893][  T383]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.038023][  T383]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.038155][  T383]  ? __ia32_sys_open (fs/open.c:1374)
[   36.038286][  T383]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.038424][  T383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.038553][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.038683][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.038815][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.038943][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.039119][  T383] RIP: 0033:0x7fea4608fbcb
[   36.039257][  T383] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.039731][  T383] RSP: 002b:00007ffdd18e7d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.039924][  T383] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea4608fbcb
[   36.040118][  T383] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.040312][  T383] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.040517][  T383] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd18e9f70
[   36.040711][  T383] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdd18ea881
| [   36.044902][  T383] ------------[ cut here ]------------
| [   36.045037][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/383
| [   36.045259][  T383] Modules linked in:
| [   36.045627][  T383] Tainted: [W]=WARN
[   36.045725][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.045890][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.046059][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.046524][  T383] RSP: 0018:ffa0000000f97918 EFLAGS: 00010286
[   36.046685][  T383] RAX: 00000000ffffffa6 RBX: ff11000012b38200 RCX: 1ff40000001f2ee9
[   36.046877][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012b382bc
[   36.047068][  T383] RBP: ff11000012a09000 R08: 1fe2200002567059 R09: ff11000008d12e80
[   36.047259][  T383] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.047456][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012a09000
[   36.047653][  T383] FS:  00007fea45dcd840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   36.047880][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.048071][  T383] CR2: 00007fea45fcec20 CR3: 00000000098af005 CR4: 0000000000771ef0
[   36.048265][  T383] PKRU: 55555554
[   36.048363][  T383] Call Trace:
[   36.048469][  T383]  <TASK>
[   36.048536][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.048664][  T383]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.048794][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.048893][  T383]  register_netdevice (net/core/dev.c:11488)
[   36.049023][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.049184][  T383]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.049318][  T383]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   36.049458][  T383]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   36.049587][  T383]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   36.049718][  T383]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   36.049847][  T383]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   36.049978][  T383]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   36.050109][  T383]  ops_init (net/core/net_namespace.c:137)
[   36.050209][  T383]  setup_net (net/core/net_namespace.c:446)
[   36.050310][  T383]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.050448][  T383]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.050578][  T383]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.050709][  T383]  copy_net_ns (net/core/net_namespace.c:579)
[   36.050840][  T383]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.050972][  T383]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.051104][  T383]  ksys_unshare (kernel/fork.c:3243)
[   36.051235][  T383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.051363][  T383]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.051500][  T383]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.051628][  T383]  ? __ia32_sys_open (fs/open.c:1374)
[   36.051758][  T383]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.051886][  T383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.052014][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.052142][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.052270][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.052406][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.052567][  T383] RIP: 0033:0x7fea4608fbcb
[   36.052700][  T383] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.053155][  T383] RSP: 002b:00007ffdd18e7d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.053347][  T383] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea4608fbcb
[   36.053550][  T383] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.053741][  T383] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.053933][  T383] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd18e9f70
[   36.054124][  T383] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdd18ea881
| [   36.057925][  T383] ------------[ cut here ]------------
| [   36.058065][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/383
| [   36.058292][  T383] Modules linked in:
| [   36.058668][  T383] Tainted: [W]=WARN
[   36.058767][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.058933][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.059102][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.059576][  T383] RSP: 0018:ffa0000000f978f8 EFLAGS: 00010286
[   36.059743][  T383] RAX: 00000000ffffffa6 RBX: ff1100000c13fc40 RCX: 1ff40000001f2ee5
[   36.059943][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c13fcfc
[   36.060138][  T383] RBP: ff11000013331000 R08: 1fe2200001827fa1 R09: ff11000008d12e80
[   36.060334][  T383] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.060537][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013331000
[   36.060737][  T383] FS:  00007fea45dcd840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   36.060964][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.061127][  T383] CR2: 00007fea45fcec20 CR3: 00000000098af005 CR4: 0000000000771ef0
[   36.061323][  T383] PKRU: 55555554
[   36.061430][  T383] Call Trace:
[   36.061532][  T383]  <TASK>
[   36.061600][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.061732][  T383]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.061864][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.061965][  T383]  register_netdevice (net/core/dev.c:11488)
[   36.062097][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.062260][  T383]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.062404][  T383]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   36.062536][  T383]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   36.062667][  T383]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   36.062799][  T383]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   36.062931][  T383]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   36.063064][  T383]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   36.063199][  T383]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.063334][  T383]  vti_init_net (net/ipv4/ip_vti.c:517)
[   36.063476][  T383]  ops_init (net/core/net_namespace.c:137)
[   36.063578][  T383]  setup_net (net/core/net_namespace.c:446)
[   36.063678][  T383]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.063808][  T383]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.063939][  T383]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.064073][  T383]  copy_net_ns (net/core/net_namespace.c:579)
[   36.064205][  T383]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.064341][  T383]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.064484][  T383]  ksys_unshare (kernel/fork.c:3243)
[   36.064616][  T383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.064748][  T383]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.064879][  T383]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.065011][  T383]  ? __ia32_sys_open (fs/open.c:1374)
[   36.065145][  T383]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.065365][  T383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.065507][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.065638][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.065770][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.065990][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.066156][  T383] RIP: 0033:0x7fea4608fbcb
[   36.066293][  T383] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.066864][  T383] RSP: 002b:00007ffdd18e7d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.067063][  T383] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea4608fbcb
[   36.067349][  T383] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.067556][  T383] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.067752][  T383] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd18e9f70
[   36.068039][  T383] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdd18ea881
| [   36.077911][  T383] ------------[ cut here ]------------
| [   36.078096][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/383
| [   36.078371][  T383] Modules linked in:
| [   36.078859][  T383] Tainted: [W]=WARN
[   36.079005][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.079235][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.079473][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.079991][  T383] RSP: 0018:ffa0000000f97a78 EFLAGS: 00010286
[   36.080205][  T383] RAX: 00000000ffffffa6 RBX: ff11000001ecb540 RCX: 1ff40000001f2f15
[   36.080466][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001ecb5fc
[   36.080706][  T383] RBP: ff11000013104000 R08: 1fe22000003d96c1 R09: ff11000008d12e80
[   36.080952][  T383] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.081195][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000013104000
[   36.081460][  T383] FS:  00007fea45dcd840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   36.081736][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.081946][  T383] CR2: 00007f8d31ef5f98 CR3: 00000000098af006 CR4: 0000000000771ef0
[   36.082194][  T383] PKRU: 55555554
[   36.082340][  T383] Call Trace:
[   36.082507][  T383]  <TASK>
[   36.082622][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.082803][  T383]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.082983][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.083131][  T383]  register_netdevice (net/core/dev.c:11488)
[   36.083314][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.083541][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.083721][  T383]  register_netdev (net/core/dev.c:11552)
[   36.083899][  T383]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   36.084080][  T383]  ops_init (net/core/net_namespace.c:137)
[   36.084228][  T383]  setup_net (net/core/net_namespace.c:446)
[   36.084374][  T383]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.084574][  T383]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.084755][  T383]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.084933][  T383]  copy_net_ns (net/core/net_namespace.c:579)
[   36.085115][  T383]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.085295][  T383]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.085493][  T383]  ksys_unshare (kernel/fork.c:3243)
[   36.085675][  T383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.085857][  T383]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.086034][  T383]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.086214][  T383]  ? __ia32_sys_open (fs/open.c:1374)
[   36.086413][  T383]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.086592][  T383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.086771][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.086949][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.087128][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.087311][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.087541][  T383] RIP: 0033:0x7fea4608fbcb
[   36.087725][  T383] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.088239][  T383] RSP: 002b:00007ffdd18e7d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.088508][  T383] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea4608fbcb
[   36.088748][  T383] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.088988][  T383] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.089231][  T383] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd18e9f70
[   36.089494][  T383] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdd18ea881
| [   36.098479][  T383] ------------[ cut here ]------------
| [   36.098659][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/383
| [   36.098936][  T383] Modules linked in:
| [   36.099412][  T383] Tainted: [W]=WARN
[   36.099559][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.099769][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.099990][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.100519][  T383] RSP: 0018:ffa0000000f97a68 EFLAGS: 00010286
[   36.100730][  T383] RAX: 00000000ffffffa6 RBX: ff11000001f36040 RCX: 1ff40000001f2f13
[   36.100972][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001f360fc
[   36.101211][  T383] RBP: ff11000012e01000 R08: 1fe22000003e6c21 R09: ff11000008d12e80
[   36.101471][  T383] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.101711][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012e01000
[   36.101959][  T383] FS:  00007fea45dcd840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   36.102235][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.102467][  T383] CR2: 00007f8d31ef5f98 CR3: 00000000098af006 CR4: 0000000000771ef0
[   36.102711][  T383] PKRU: 55555554
[   36.102853][  T383] Call Trace:
[   36.102997][  T383]  <TASK>
[   36.103112][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.103293][  T383]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.103495][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.103642][  T383]  register_netdevice (net/core/dev.c:11488)
[   36.103819][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.104029][  T383]  register_netdev (net/core/dev.c:11552)
[   36.104208][  T383]  sit_init_net (net/ipv6/sit.c:1860)
[   36.104407][  T383]  ops_init (net/core/net_namespace.c:137)
[   36.104557][  T383]  setup_net (net/core/net_namespace.c:446)
[   36.104703][  T383]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.104878][  T383]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.105057][  T383]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.105237][  T383]  copy_net_ns (net/core/net_namespace.c:579)
[   36.105433][  T383]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.105616][  T383]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.105797][  T383]  ksys_unshare (kernel/fork.c:3243)
[   36.105974][  T383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.106153][  T383]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.106332][  T383]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.106532][  T383]  ? __ia32_sys_open (fs/open.c:1374)
[   36.106715][  T383]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.106893][  T383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.107075][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.107253][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.107446][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.107626][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.107836][  T383] RIP: 0033:0x7fea4608fbcb
[   36.108020][  T383] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.108554][  T383] RSP: 002b:00007ffdd18e7d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.108796][  T383] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea4608fbcb
[   36.109036][  T383] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.109275][  T383] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.109538][  T383] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd18e9f70
[   36.109778][  T383] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdd18ea881
| [   36.114533][  T383] ------------[ cut here ]------------
| [   36.114711][  T383] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/383
| [   36.114982][  T383] Modules linked in:
| [   36.115462][  T383] Tainted: [W]=WARN
[   36.115606][  T383] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.115816][  T383] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.116031][  T383] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.116558][  T383] RSP: 0018:ffa0000000f97a78 EFLAGS: 00010286
[   36.116769][  T383] RAX: 00000000ffffffa6 RBX: ff11000009a29e00 RCX: 1ff40000001f2f15
[   36.117009][  T383] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a29ebc
[   36.117249][  T383] RBP: ff110000136c4000 R08: 1fe22000013453d9 R09: ff11000008d12e80
[   36.117508][  T383] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.117752][  T383] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000136c4000
[   36.117995][  T383] FS:  00007fea45dcd840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   36.118271][  T383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.118502][  T383] CR2: 00007f8d31ef5f98 CR3: 00000000098af006 CR4: 0000000000771ef0
[   36.118750][  T383] PKRU: 55555554
[   36.118895][  T383] Call Trace:
[   36.119039][  T383]  <TASK>
[   36.119154][  T383]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.119331][  T383]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.119531][  T383]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.119681][  T383]  register_netdevice (net/core/dev.c:11488)
[   36.119862][  T383]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   36.120072][  T383]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.120252][  T383]  register_netdev (net/core/dev.c:11552)
[   36.120447][  T383]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   36.120627][  T383]  ops_init (net/core/net_namespace.c:137)
[   36.120776][  T383]  setup_net (net/core/net_namespace.c:446)
[   36.120923][  T383]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   36.121097][  T383]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   36.121279][  T383]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   36.121478][  T383]  copy_net_ns (net/core/net_namespace.c:579)
[   36.121658][  T383]  create_new_namespaces (kernel/nsproxy.c:132)
[   36.121837][  T383]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   36.122015][  T383]  ksys_unshare (kernel/fork.c:3243)
[   36.122190][  T383]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.122368][  T383]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   36.122571][  T383]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   36.122752][  T383]  ? __ia32_sys_open (fs/open.c:1374)
[   36.122931][  T383]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   36.123109][  T383]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   36.123285][  T383]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.123478][  T383]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.123656][  T383]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.123834][  T383]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.124046][  T383] RIP: 0033:0x7fea4608fbcb
[   36.124230][  T383] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   36.124753][  T383] RSP: 002b:00007ffdd18e7d48 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   36.124998][  T383] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fea4608fbcb
[   36.125237][  T383] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   36.125495][  T383] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   36.125734][  T383] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffdd18e9f70
[   36.125975][  T383] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffdd18ea881
| [   36.151301][  T384] ------------[ cut here ]------------
| [   36.151475][  T384] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/384
| [   36.151709][  T384] Modules linked in:
| [   36.152081][  T384] Tainted: [W]=WARN
[   36.152179][  T384] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.152343][  T384] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.152531][  T384] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.153002][  T384] RSP: 0018:ffa0000000fa7020 EFLAGS: 00010286
[   36.153167][  T384] RAX: 00000000ffffffa6 RBX: ff11000009a29540 RCX: 1ff40000001f4dca
[   36.153362][  T384] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009a295fc
[   36.153565][  T384] RBP: ff110000098e4000 R08: 1fe22000013452c1 R09: ff1100000fad5158
[   36.153762][  T384] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   36.153956][  T384] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.154154][  T384] FS:  00007fe9e981e840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   36.154383][  T384] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.154561][  T384] CR2: 00000000353c5988 CR3: 0000000012b4f006 CR4: 0000000000771ef0
[   36.154759][  T384] PKRU: 55555554
[   36.154858][  T384] Call Trace:
[   36.154956][  T384]  <TASK>
[   36.155024][  T384]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.155158][  T384]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.155258][  T384]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.155399][  T384]  __dev_notify_flags (net/core/dev.c:9787)
[   36.155535][  T384]  ? netif_change_name (net/core/dev.c:1495)
[   36.155665][  T384]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.155796][  T384]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.155926][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.156057][  T384]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.156190][  T384]  netif_change_flags (net/core/dev.c:9820)
[   36.156323][  T384]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.156468][  T384]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.156602][  T384]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.156733][  T384]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.156897][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.157027][  T384]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.157156][  T384]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.157289][  T384]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.157433][  T384]  ? __kernel_text_address (kernel/extable.c:79)
[   36.157565][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.157697][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.157826][  T384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.157957][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.158088][  T384]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.158219][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.158348][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.158567][  T384]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.158701][  T384]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.158832][  T384]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.158964][  T384]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.159096][  T384]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.159228][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.159364][  T384]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.159580][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.159711][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.159840][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.159969][  T384]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.160098][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.160232][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.160361][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.160587][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.160718][  T384]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.160848][  T384]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.160984][  T384]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.161115][  T384]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.161244][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.161374][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.161606][  T384]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.161738][  T384]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.161869][  T384]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.162000][  T384]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.162131][  T384]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.162264][  T384]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.162470][  T384]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.162603][  T384]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.162735][  T384]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.162866][  T384]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.162996][  T384]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.163127][  T384]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.163259][  T384]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.163455][  T384]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.163587][  T384]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.163716][  T384]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.163878][  T384]  ? move_addr_to_kernel (net/socket.c:258)
[   36.164010][  T384]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.164140][  T384]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.164271][  T384]  ___sys_sendmsg (net/socket.c:2752)
[   36.164462][  T384]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.164625][  T384]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.164771][  T384]  __sys_sendmsg (net/socket.c:2784)
[   36.164902][  T384]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.165030][  T384]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.165194][  T384]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.165325][  T384]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.165518][  T384]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.165649][  T384]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.165779][  T384]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.165909][  T384]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.166072][  T384] RIP: 0033:0x7fe9e9a5808e
[   36.166211][  T384] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.166712][  T384] RSP: 002b:00007ffdb2ea8070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.166911][  T384] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe9e9a5808e
[   36.167107][  T384] RDX: 0000000000000000 RSI: 00007ffdb2ea8120 RDI: 0000000000000005
[   36.167301][  T384] RBP: 00007ffdb2ea8080 R08: 0000000000000000 R09: 0000000000000000
[   36.167505][  T384] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.167700][  T384] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb2ea87f0
| [   36.211159][  T385] ------------[ cut here ]------------
| [   36.211358][  T385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/385
| [   36.211975][  T385] Modules linked in:
| [   36.212468][  T385] Tainted: [W]=WARN
[   36.212616][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.212834][  T385] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.213056][  T385] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.213601][  T385] RSP: 0018:ffa0000000fa6e30 EFLAGS: 00010286
[   36.213818][  T385] RAX: 00000000ffffffa6 RBX: ff1100000b4bfa80 RCX: 1ff40000001f4d8c
[   36.214068][  T385] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b4bfb3c
[   36.214317][  T385] RBP: ff1100000fcb1000 R08: 1fe2200001697f69 R09: ff1100000907d180
[   36.214584][  T385] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.214831][  T385] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000012dfa000
[   36.215081][  T385] FS:  00007f2eaa63e840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   36.215364][  T385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.215604][  T385] CR2: 00007f2eaa94ff10 CR3: 000000000fb2e002 CR4: 0000000000771ef0
[   36.215855][  T385] PKRU: 55555554
[   36.216002][  T385] Call Trace:
[   36.216152][  T385]  <TASK>
[   36.216270][  T385]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.216475][  T385]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.216627][  T385]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   36.216842][  T385]  __dev_notify_flags (net/core/dev.c:9787)
[   36.217031][  T385]  ? netif_change_name (net/core/dev.c:1495)
[   36.217213][  T385]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.217414][  T385]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.217597][  T385]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.217781][  T385]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   36.217966][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.218150][  T385]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.218337][  T385]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.218542][  T385]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   36.218726][  T385]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   36.218911][  T385]  veth_newlink (drivers/net/veth.c:1871)
[   36.219096][  T385]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   36.219277][  T385]  ? kasan_save_stack (mm/kasan/common.c:57)
[   36.219479][  T385]  ? kasan_save_track (mm/kasan/common.c:78)
[   36.219666][  T385]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   36.219864][  T385]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   36.220046][  T385]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   36.220230][  T385]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.220433][  T385]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.220620][  T385]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   36.220804][  T385]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   36.220991][  T385]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.221173][  T385]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.221356][  T385]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.221560][  T385]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.221745][  T385]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.221933][  T385]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.222118][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.222299][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.222504][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.222686][  T385]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.222868][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.223055][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.223238][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.223441][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.223624][  T385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.223806][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.223991][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.224179][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.224360][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.224564][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.224747][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.224929][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.225115][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.225299][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.225503][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.225686][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.225871][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.226054][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.226238][  T385]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.226441][  T385]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.226627][  T385]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.226816][  T385]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.226998][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.227213][  T385]  ? move_addr_to_kernel (net/socket.c:258)
[   36.227419][  T385]  ___sys_sendmsg (net/socket.c:2752)
[   36.227601][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.227785][  T385]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.227976][  T385]  ? 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))
[   36.228163][  T385]  __sys_sendmsg (net/socket.c:2784)
[   36.228346][  T385]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.228551][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.228733][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.228917][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.229104][  T385]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.229285][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.229487][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.229710][  T385] RIP: 0033:0x7f2eaa87808e
[   36.229900][  T385] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.230444][  T385] RSP: 002b:00007ffebcab6500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.230697][  T385] RAX: ffffffffffffffda RBX: 00007ffebcab6c90 RCX: 00007f2eaa87808e
[   36.230942][  T385] RDX: 0000000000000000 RSI: 00007ffebcab65b0 RDI: 0000000000000005
[   36.231189][  T385] RBP: 00007ffebcab6510 R08: 0000000000000000 R09: 0000000000000000
[   36.231457][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.231708][  T385] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcab6c70
| [   36.242857][  T385] ------------[ cut here ]------------
| [   36.243043][  T385] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/385
| [   36.243325][  T385] Modules linked in:
| [   36.244378][  T385] Tainted: [W]=WARN
[   36.244591][  T385] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.244819][  T385] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.245045][  T385] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.245592][  T385] RSP: 0018:ffa0000000fa71b0 EFLAGS: 00010286
[   36.245807][  T385] RAX: 00000000ffffffa6 RBX: ff1100000f119000 RCX: 1ff40000001f4dfc
[   36.246062][  T385] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f1190bc
[   36.246311][  T385] RBP: ff1100000b6b4000 R08: 1fe2200001e23219 R09: ff1100000907d180
[   36.246576][  T385] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   36.246820][  T385] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffff99403b20
[   36.247071][  T385] FS:  00007f2eaa63e840(0000) GS:ff110000d0bc7000(0000) knlGS:0000000000000000
[   36.247348][  T385] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.247593][  T385] CR2: 00007f2eaa94ff10 CR3: 000000000fb2e002 CR4: 0000000000771ef0
[   36.247843][  T385] PKRU: 55555554
[   36.247994][  T385] Call Trace:
[   36.248143][  T385]  <TASK>
[   36.248260][  T385]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.248467][  T385]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.248621][  T385]  __dev_notify_flags (net/core/dev.c:9787)
[   36.248804][  T385]  ? netif_change_name (net/core/dev.c:1495)
[   36.248986][  T385]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.249167][  T385]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   36.249350][  T385]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   36.249550][  T385]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   36.249747][  T385]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   36.249927][  T385]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.250109][  T385]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.250294][  T385]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.250496][  T385]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   36.250684][  T385]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.250867][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.251049][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.251231][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.251429][  T385]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.251609][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.251794][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.251975][  T385]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.252155][  T385]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.252337][  T385]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.252541][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.252724][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.252907][  T385]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.253087][  T385]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.253272][  T385]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.253473][  T385]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.253659][  T385]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.253843][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.254026][  T385]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.254212][  T385]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.254413][  T385]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.254596][  T385]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.254778][  T385]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.254962][  T385]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.255143][  T385]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.255329][  T385]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.255535][  T385]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.255721][  T385]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.255935][  T385]  ? move_addr_to_kernel (net/socket.c:258)
[   36.256121][  T385]  ___sys_sendmsg (net/socket.c:2752)
[   36.256304][  T385]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.256504][  T385]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.256698][  T385]  ? 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))
[   36.256881][  T385]  __sys_sendmsg (net/socket.c:2784)
[   36.257063][  T385]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.257250][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.257448][  T385]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.257630][  T385]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.257813][  T385]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.257995][  T385]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.258182][  T385]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.258413][  T385] RIP: 0033:0x7f2eaa87808e
[   36.258600][  T385] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.259120][  T385] RSP: 002b:00007ffebcab6500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.259372][  T385] RAX: ffffffffffffffda RBX: 00007ffebcab6c90 RCX: 00007f2eaa87808e
[   36.259639][  T385] RDX: 0000000000000000 RSI: 00007ffebcab65b0 RDI: 0000000000000005
[   36.259884][  T385] RBP: 00007ffebcab6510 R08: 0000000000000000 R09: 0000000000000000
[   36.260130][  T385] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.260379][  T385] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffebcab6c70
| [   36.287724][  T386] ------------[ cut here ]------------
| [   36.287870][  T386] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/386
| [   36.288097][  T386] Modules linked in:
| [   36.288475][  T386] Tainted: [W]=WARN
[   36.288573][  T386] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.288736][  T386] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.288908][  T386] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.289371][  T386] RSP: 0018:ffa0000000fb7020 EFLAGS: 00010286
[   36.289545][  T386] RAX: 00000000ffffffa6 RBX: ff1100000f119a80 RCX: 1ff40000001f6dca
[   36.289740][  T386] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f119b3c
[   36.289932][  T386] RBP: ff1100000fcb1000 R08: 1fe2200001e23369 R09: ff1100000e5cd158
[   36.290129][  T386] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   36.290324][  T386] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.290529][  T386] FS:  00007f2410fec840(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   36.290756][  T386] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.290921][  T386] CR2: 0000000034197988 CR3: 0000000013542002 CR4: 0000000000771ef0
[   36.291115][  T386] PKRU: 55555554
[   36.291211][  T386] Call Trace:
[   36.291309][  T386]  <TASK>
[   36.291376][  T386]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.291519][  T386]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.291618][  T386]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.291747][  T386]  __dev_notify_flags (net/core/dev.c:9787)
[   36.291880][  T386]  ? netif_change_name (net/core/dev.c:1495)
[   36.292010][  T386]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.292141][  T386]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.292270][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.292410][  T386]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.292544][  T386]  netif_change_flags (net/core/dev.c:9820)
[   36.292673][  T386]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.292806][  T386]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.292938][  T386]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.293068][  T386]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.293230][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.293361][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.293661][  T386]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.293795][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.293927][  T386]  ? __kernel_text_address (kernel/extable.c:79)
[   36.294057][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.294192][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.294322][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.294465][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.294596][  T386]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.294726][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.294857][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.294986][  T386]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.295115][  T386]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.295244][  T386]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.295375][  T386]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.295519][  T386]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.295652][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.295785][  T386]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.295918][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.296048][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.296179][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.296308][  T386]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.296445][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.296577][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.296706][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.296838][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.296967][  T386]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.297098][  T386]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.297227][  T386]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.297357][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.297496][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.297625][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.297755][  T386]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.297885][  T386]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.298014][  T386]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.298145][  T386]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.298275][  T386]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.298418][  T386]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.298549][  T386]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.298682][  T386]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.298814][  T386]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.298946][  T386]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.299079][  T386]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.299210][  T386]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.299340][  T386]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.299481][  T386]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.299611][  T386]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.299741][  T386]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.299903][  T386]  ? move_addr_to_kernel (net/socket.c:258)
[   36.300035][  T386]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.300164][  T386]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.300294][  T386]  ___sys_sendmsg (net/socket.c:2752)
[   36.300432][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.300596][  T386]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.300739][  T386]  __sys_sendmsg (net/socket.c:2784)
[   36.300870][  T386]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.300999][  T386]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.301163][  T386]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.301294][  T386]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.301435][  T386]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.301565][  T386]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.301696][  T386]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.301826][  T386]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.301986][  T386] RIP: 0033:0x7f241122608e
[   36.302127][  T386] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.302602][  T386] RSP: 002b:00007ffce761b730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.302799][  T386] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f241122608e
[   36.302993][  T386] RDX: 0000000000000000 RSI: 00007ffce761b7e0 RDI: 0000000000000005
[   36.303187][  T386] RBP: 00007ffce761b740 R08: 0000000000000000 R09: 0000000000000000
[   36.303382][  T386] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.303587][  T386] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce761bea0
| [   36.387739][  T389] ------------[ cut here ]------------
| [   36.387894][  T389] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/389
| [   36.388119][  T389] Modules linked in:
| [   36.388494][  T389] Tainted: [W]=WARN
[   36.388589][  T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.388748][  T389] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.388915][  T389] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.389367][  T389] RSP: 0018:ffa0000000f46ff8 EFLAGS: 00010286
[   36.389537][  T389] RAX: 00000000ffffffa6 RBX: ff1100000f3b2c80 RCX: 1ff40000001e8dc5
[   36.389729][  T389] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000f3b2d3c
[   36.389917][  T389] RBP: ff1100000b6b4000 R08: 1fe2200001e765a9 R09: ff110000100f2e58
[   36.390105][  T389] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.390294][  T389] R13: 0000000000000000 R14: ffa0000000f47140 R15: ff1100000f2aa350
[   36.390505][  T389] FS:  00007f642c3b5840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   36.390728][  T389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.390890][  T389] CR2: 000000001257c988 CR3: 000000000baff005 CR4: 0000000000771ef0
[   36.391084][  T389] PKRU: 55555554
[   36.391179][  T389] Call Trace:
[   36.391273][  T389]  <TASK>
[   36.391340][  T389]  rtmsg_ifinfo_newnet (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:4567)
[   36.391484][  T389]  __dev_change_net_namespace (net/core/dev.c:12635)
[   36.391644][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.391772][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.391900][  T389]  ? default_device_exit_batch (net/core/dev.c:13091)
[   36.392059][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.392185][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.392313][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.392503][  T389]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.392647][  T389]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.392774][  T389]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   36.392906][  T389]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   36.393035][  T389]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.393164][  T389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.393322][  T389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.393461][  T389]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.393587][  T389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.393717][  T389]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.393846][  T389]  ? __kernel_text_address (kernel/extable.c:79)
[   36.393981][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.394108][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.394235][  T389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.394361][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.394497][  T389]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.394625][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.394751][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.394879][  T389]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.395007][  T389]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.395134][  T389]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.395260][  T389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.395392][  T389]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.395526][  T389]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.395658][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.395791][  T389]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.395919][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.396045][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.396171][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.396297][  T389]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.396432][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.396562][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.396688][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.396815][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.396941][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.397071][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.397199][  T389]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.397325][  T389]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.397464][  T389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.397589][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.397717][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.397844][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.397971][  T389]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.398098][  T389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.398225][  T389]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.398354][  T389]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.398493][  T389]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.398621][  T389]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.398750][  T389]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.398877][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.399005][  T389]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.399133][  T389]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.399260][  T389]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.399399][  T389]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.399530][  T389]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.399656][  T389]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.399815][  T389]  ? move_addr_to_kernel (net/socket.c:258)
[   36.399944][  T389]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.400071][  T389]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.400199][  T389]  ___sys_sendmsg (net/socket.c:2752)
[   36.400326][  T389]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.400512][  T389]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.400653][  T389]  __sys_sendmsg (net/socket.c:2784)
[   36.400780][  T389]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.400906][  T389]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.401067][  T389]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.401195][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.401322][  T389]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.401464][  T389]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.401591][  T389]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.401720][  T389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.401876][  T389] RIP: 0033:0x7f642c5ef08e
[   36.402011][  T389] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.402473][  T389] RSP: 002b:00007fffed426110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.402665][  T389] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f642c5ef08e
[   36.402855][  T389] RDX: 0000000000000000 RSI: 00007fffed4261c0 RDI: 0000000000000005
[   36.403043][  T389] RBP: 00007fffed426120 R08: 0000000000000000 R09: 0000000000000000
[   36.403233][  T389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.403433][  T389] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffed426880
| [   36.405987][  T389] ------------[ cut here ]------------
| [   36.406118][  T389] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/389
| [   36.406339][  T389] Modules linked in:
| [   36.406710][  T389] Tainted: [W]=WARN
[   36.406808][  T389] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.406974][  T389] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.407142][  T389] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.407607][  T389] RSP: 0018:ffa0000000f46fc0 EFLAGS: 00010286
[   36.407767][  T389] RAX: 00000000ffffffa6 RBX: ff1100000cd91000 RCX: 1ff40000001e8dbe
[   36.407960][  T389] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cd910bc
[   36.408149][  T389] RBP: ff1100000b6b4000 R08: 1fe22000019b2219 R09: ff110000100f2e58
[   36.408339][  T389] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   36.408535][  T389] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f2aa350
[   36.408729][  T389] FS:  00007f642c3b5840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   36.408953][  T389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.409113][  T389] CR2: 000000001257c988 CR3: 000000000baff005 CR4: 0000000000771ef0
[   36.409304][  T389] PKRU: 55555554
[   36.409408][  T389] Call Trace:
[   36.409506][  T389]  <TASK>
[   36.409574][  T389]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.409704][  T389]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.409834][  T389]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.409932][  T389]  __dev_change_net_namespace (net/core/dev.c:12695)
[   36.410094][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.410222][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.410352][  T389]  ? default_device_exit_batch (net/core/dev.c:13091)
[   36.410523][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.410651][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.410780][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.410909][  T389]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.411038][  T389]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   36.411166][  T389]  ? is_bpf_text_address (./include/linux/rcupdate.h:871 kernel/bpf/core.c:749)
[   36.411296][  T389]  do_setlink.isra.0 (net/core/rtnetlink.c:3108)
[   36.411437][  T389]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.411566][  T389]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.411729][  T389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.411857][  T389]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.411983][  T389]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.412109][  T389]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.412237][  T389]  ? __kernel_text_address (kernel/extable.c:79)
[   36.412368][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.412505][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.412632][  T389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.412761][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.412888][  T389]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.413016][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.413143][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.413273][  T389]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.413409][  T389]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.413538][  T389]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.413666][  T389]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.413795][  T389]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.413923][  T389]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.414054][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.414186][  T389]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.414318][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.414455][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.414582][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.414713][  T389]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.414842][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.414972][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.415101][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.415232][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.415360][  T389]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.415502][  T389]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.415630][  T389]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.415757][  T389]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.415885][  T389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.416014][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.416145][  T389]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.416274][  T389]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.416410][  T389]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.416538][  T389]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.416666][  T389]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.416800][  T389]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.416927][  T389]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.417057][  T389]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.417190][  T389]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.417321][  T389]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.417466][  T389]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.417595][  T389]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.417725][  T389]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.417857][  T389]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.417984][  T389]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.418112][  T389]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.418273][  T389]  ? move_addr_to_kernel (net/socket.c:258)
[   36.418410][  T389]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.418539][  T389]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.418670][  T389]  ___sys_sendmsg (net/socket.c:2752)
[   36.418798][  T389]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.418958][  T389]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.419099][  T389]  __sys_sendmsg (net/socket.c:2784)
[   36.419230][  T389]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.419357][  T389]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.419530][  T389]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.419658][  T389]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.419786][  T389]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.419916][  T389]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.420044][  T389]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.420173][  T389]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.420334][  T389] RIP: 0033:0x7f642c5ef08e
[   36.420476][  T389] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.420931][  T389] RSP: 002b:00007fffed426110 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.421127][  T389] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f642c5ef08e
[   36.421318][  T389] RDX: 0000000000000000 RSI: 00007fffed4261c0 RDI: 0000000000000005
[   36.421518][  T389] RBP: 00007fffed426120 R08: 0000000000000000 R09: 0000000000000000
[   36.421711][  T389] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.421903][  T389] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffed426880
| [   36.507278][  T392] ------------[ cut here ]------------
| [   36.507444][  T392] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/392
| [   36.507674][  T392] Modules linked in:
| [   36.508039][  T392] Tainted: [W]=WARN
[   36.508138][  T392] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.508305][  T392] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.508491][  T392] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.508952][  T392] RSP: 0018:ffa0000000fe7020 EFLAGS: 00010286
[   36.509115][  T392] RAX: 00000000ffffffa6 RBX: ff11000012e7f8c0 RCX: 1ff40000001fcdca
[   36.509307][  T392] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012e7f97c
[   36.509578][  T392] RBP: ff1100000b6b4000 R08: 1fe22000025cff31 R09: ff1100001291ae58
[   36.509771][  T392] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   36.509972][  T392] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   36.510169][  T392] FS:  00007fc338024840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   36.510503][  T392] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.510668][  T392] CR2: 00000000330f1988 CR3: 000000000aac7001 CR4: 0000000000771ef0
[   36.510864][  T392] PKRU: 55555554
[   36.510961][  T392] Call Trace:
[   36.511058][  T392]  <TASK>
[   36.511125][  T392]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.511258][  T392]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.511356][  T392]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   36.511572][  T392]  __dev_notify_flags (net/core/dev.c:9787)
[   36.511704][  T392]  ? netif_change_name (net/core/dev.c:1495)
[   36.511835][  T392]  ? __dev_change_flags (net/core/dev.c:9752)
[   36.511965][  T392]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   36.512094][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.512225][  T392]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   36.512357][  T392]  netif_change_flags (net/core/dev.c:9820)
[   36.512570][  T392]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   36.512703][  T392]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   36.512834][  T392]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.512965][  T392]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.513128][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.513257][  T392]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.513385][  T392]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.513608][  T392]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.513739][  T392]  ? __kernel_text_address (kernel/extable.c:79)
[   36.513870][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.514002][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.514133][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.514264][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.514486][  T392]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.514616][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.514745][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.514874][  T392]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.515005][  T392]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.515135][  T392]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.515268][  T392]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.515444][  T392]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.515578][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.515710][  T392]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.515843][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.515973][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.516103][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.516234][  T392]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.516363][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.516506][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.516636][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.516765][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.516896][  T392]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.517026][  T392]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.517156][  T392]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.517286][  T392]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.517426][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.517556][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.517688][  T392]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.517817][  T392]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.517948][  T392]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.518078][  T392]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.518209][  T392]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.518343][  T392]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.518482][  T392]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.518613][  T392]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.518743][  T392]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.518873][  T392]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.519004][  T392]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.519136][  T392]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.519267][  T392]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.519406][  T392]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.519538][  T392]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.519670][  T392]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.519830][  T392]  ? move_addr_to_kernel (net/socket.c:258)
[   36.519960][  T392]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.520091][  T392]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.520225][  T392]  ___sys_sendmsg (net/socket.c:2752)
[   36.520354][  T392]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.520530][  T392]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.520673][  T392]  __sys_sendmsg (net/socket.c:2784)
[   36.520804][  T392]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.520934][  T392]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.521097][  T392]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.521228][  T392]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.521359][  T392]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.521498][  T392]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.521629][  T392]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.521758][  T392]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.521918][  T392] RIP: 0033:0x7fc33825e08e
[   36.522054][  T392] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.522530][  T392] RSP: 002b:00007ffeef2bef20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.522724][  T392] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fc33825e08e
[   36.522918][  T392] RDX: 0000000000000000 RSI: 00007ffeef2befd0 RDI: 0000000000000005
[   36.523114][  T392] RBP: 00007ffeef2bef30 R08: 0000000000000000 R09: 0000000000000000
[   36.523308][  T392] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.523511][  T392] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeef2bf6a0
| [   36.525935][  T302] ------------[ cut here ]------------
| [   36.526067][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/302
| [   36.526303][  T302] Modules linked in:
| [   36.526827][  T302] Tainted: [W]=WARN
[   36.526918][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.527067][  T302] Workqueue: events_unbound linkwatch_event
[   36.527232][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.527399][  T302] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.527824][  T302] RSP: 0018:ffa0000000bf79e0 EFLAGS: 00010286
[   36.527973][  T302] RAX: 00000000ffffffa6 RBX: ff110000134843c0 RCX: 1ff400000017ef02
[   36.528149][  T302] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001348447c
[   36.528328][  T302] RBP: ff1100000b6b4000 R08: 1fe2200002690891 R09: ff1100000a3dd1a8
[   36.528527][  T302] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   36.528708][  T302] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.528886][  T302] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   36.529093][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.529242][  T302] CR2: 0000559775f9d130 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   36.529431][  T302] PKRU: 55555554
[   36.529521][  T302] Call Trace:
[   36.529610][  T302]  <TASK>
[   36.529672][  T302]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.529792][  T302]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.529917][  T302]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.530011][  T302]  netif_state_change (net/core/dev.c:1605)
[   36.530133][  T302]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.530283][  T302]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   36.530408][  T302]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   36.530529][  T302]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.530655][  T302]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   36.530773][  T302]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   36.530895][  T302]  process_one_work (kernel/workqueue.c:3314)
[   36.531018][  T302]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.531136][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.531260][  T302]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.531380][  T302]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.531514][  T302]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   36.531635][  T302]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.531752][  T302]  kthread (kernel/kthread.c:436)
[   36.531842][  T302]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.531993][  T302]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.532112][  T302]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.532233][  T302]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.532381][  T302]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.532511][  T302]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.532632][  T302]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.535448][  T302] ------------[ cut here ]------------
| [   36.535582][  T302] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/302
| [   36.535825][  T302] Modules linked in:
| [   36.536189][  T302] Tainted: [W]=WARN
[   36.536281][  T302] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.536451][  T302] Workqueue: events_unbound linkwatch_event
[   36.536606][  T302] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.536759][  T302] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.537262][  T302] RSP: 0018:ffa0000000bf79e0 EFLAGS: 00010286
[   36.537446][  T302] RAX: 00000000ffffffa6 RBX: ff11000013535a80 RCX: 1ff400000017ef02
[   36.537627][  T302] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000013535b3c
[   36.537804][  T302] RBP: ff1100000fcb1000 R08: 1fe22000026a6b69 R09: ff1100000a3dd1a8
[   36.537979][  T302] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   36.538153][  T302] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   36.538331][  T302] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   36.538549][  T302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.538698][  T302] CR2: 0000559775f9d130 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   36.538876][  T302] PKRU: 55555554
[   36.538964][  T302] Call Trace:
[   36.539052][  T302]  <TASK>
[   36.539116][  T302]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.539236][  T302]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.539355][  T302]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.539456][  T302]  netif_state_change (net/core/dev.c:1605)
[   36.539575][  T302]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.539724][  T302]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   36.539840][  T302]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   36.539961][  T302]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.540083][  T302]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   36.540202][  T302]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   36.540326][  T302]  process_one_work (kernel/workqueue.c:3314)
[   36.540459][  T302]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   36.540577][  T302]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.540701][  T302]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   36.540821][  T302]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.540941][  T302]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   36.541061][  T302]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   36.541179][  T302]  kthread (kernel/kthread.c:436)
[   36.541268][  T302]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   36.541425][  T302]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.541544][  T302]  ret_from_fork (arch/x86/kernel/process.c:158)
[   36.541666][  T302]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   36.541816][  T302]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   36.541933][  T302]  ? kthread_affine_node (kernel/kthread.c:378)
[   36.542052][  T302]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   36.604359][  T393] ------------[ cut here ]------------
| [   36.604523][  T393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/393
| [   36.604760][  T393] Modules linked in:
| [   36.605138][  T393] Tainted: [W]=WARN
[   36.605239][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.605420][  T393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.605596][  T393] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.606081][  T393] RSP: 0018:ffa0000000fe6e90 EFLAGS: 00010286
[   36.606250][  T393] RAX: 00000000ffffffa6 RBX: ff11000012f07a80 RCX: 1ff40000001fcd98
[   36.606461][  T393] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000012f07b3c
[   36.606661][  T393] RBP: ff1100000fcb1000 R08: 1fe22000025e0f69 R09: ff1100001291d158
[   36.606862][  T393] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   36.607061][  T393] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000003
[   36.607262][  T393] FS:  00007f9f37c0e840(0000) GS:ff110000d0c47000(0000) knlGS:0000000000000000
[   36.607509][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.607679][  T393] CR2: 000000001e3253b8 CR3: 000000000c8bd004 CR4: 0000000000771ef0
[   36.607879][  T393] PKRU: 55555554
[   36.607979][  T393] Call Trace:
[   36.608079][  T393]  <TASK>
[   36.608148][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.608284][  T393]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   36.608431][  T393]  notifier_call_chain (kernel/notifier.c:85)
[   36.608567][  T393]  netdev_update_features (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1590 net/core/dev.c:11099 net/core/dev.c:11096)
[   36.608705][  T393]  ? netdev_sync_lower_features (./include/net/netdev_lock.h:33)
[   36.608874][  T393]  veth_xdp_set (drivers/net/veth.c:1638)
[   36.609010][  T393]  ? veth_xdp_set (drivers/net/veth.c:1608 (discriminator 2))
[   36.609144][  T393]  dev_xdp_install (net/core/dev.c:10348)
[   36.609279][  T393]  ? netif_set_xps_queue (net/core/dev.c:3063)
[   36.609429][  T393]  dev_xdp_attach (net/core/dev.c:10504)
[   36.609563][  T393]  ? __bpf_prog_get (./include/linux/instrumented.h:112 ./include/linux/atomic/atomic-instrumented.h:2013 kernel/bpf/syscall.c:2550 kernel/bpf/syscall.c:2598)
[   36.609699][  T393]  ? bpf_xdp_link_update (./include/net/netdev_lock.h:33)
[   36.609833][  T393]  ? __bpf_prog_get (kernel/bpf/syscall.c:2550)
[   36.609968][  T393]  dev_change_xdp_fd (net/core/dev.c:10759)
[   36.610104][  T393]  do_setlink.isra.0 (net/core/rtnetlink.c:3440 (discriminator 1))
[   36.610241][  T393]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.610375][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.610552][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.610688][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.610822][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.610956][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.611091][  T393]  ? __kernel_text_address (kernel/extable.c:79)
[   36.611225][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.611361][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.611506][  T393]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.611641][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.611773][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.611909][  T393]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.612043][  T393]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.612176][  T393]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.612310][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.612518][  T393]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.612711][  T393]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.612862][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.612998][  T393]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.613132][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.613265][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.613461][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.613595][  T393]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.613727][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.613865][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.613999][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.614132][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.614264][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.614535][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.614671][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.614805][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.614936][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.615071][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.615205][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.615337][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.615602][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.615735][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.615869][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.616005][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.616138][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.616275][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.616476][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.616610][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.616746][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.616883][  T393]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.617017][  T393]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.617151][  T393]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.617285][  T393]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.617484][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.617651][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   36.617785][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.617919][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.618053][  T393]  ___sys_sendmsg (net/socket.c:2752)
[   36.618186][  T393]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.618353][  T393]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.618563][  T393]  __sys_sendmsg (net/socket.c:2784)
[   36.618698][  T393]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.618830][  T393]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.618998][  T393]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.619131][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.619266][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.619466][  T393]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.619605][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.619737][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.619902][  T393] RIP: 0033:0x7f9f37e4808e
[   36.620041][  T393] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.620599][  T393] RSP: 002b:00007fff6a38dc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.620798][  T393] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9f37e4808e
[   36.620996][  T393] RDX: 0000000000000000 RSI: 00007fff6a38dcb0 RDI: 0000000000000005
[   36.621193][  T393] RBP: 00007fff6a38dc10 R08: 0000000000000000 R09: 0000000000000000
[   36.621460][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.621659][  T393] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6a38e380
| [   36.632680][  T393] ------------[ cut here ]------------
| [   36.632830][  T393] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/393
| [   36.633051][  T393] Modules linked in:
| [   36.633459][  T393] Tainted: [W]=WARN
[   36.633558][  T393] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   36.633718][  T393] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   36.633882][  T393] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   36.634330][  T393] RSP: 0018:ffa0000000fe70a0 EFLAGS: 00010286
[   36.634512][  T393] RAX: 00000000ffffffa6 RBX: ff1100000cce0580 RCX: 1ff40000001fcdda
[   36.634706][  T393] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cce063c
[   36.634894][  T393] RBP: ff1100000b6b4000 R08: 1fe220000199c0c9 R09: ff1100001291d158
[   36.635080][  T393] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   36.635270][  T393] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cfc66e4
[   36.635481][  T393] FS:  00007f9f37c0e840(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   36.635703][  T393] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   36.635861][  T393] CR2: 0000559775f9d130 CR3: 000000000c8bd002 CR4: 0000000000771ef0
[   36.636051][  T393] PKRU: 55555554
[   36.636147][  T393] Call Trace:
[   36.636241][  T393]  <TASK>
[   36.636306][  T393]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   36.636445][  T393]  ? notifier_call_chain (kernel/notifier.c:85)
[   36.636573][  T393]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   36.636670][  T393]  netif_state_change (net/core/dev.c:1605)
[   36.636799][  T393]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   36.636964][  T393]  ? dev_change_xdp_fd (net/core/dev.c:10759)
[   36.637094][  T393]  do_setlink.isra.0 (net/core/rtnetlink.c:3453)
[   36.637222][  T393]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   36.637350][  T393]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   36.637519][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   36.637645][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.637773][  T393]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   36.637900][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.638028][  T393]  ? __kernel_text_address (kernel/extable.c:79)
[   36.638154][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.638283][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.638422][  T393]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   36.638548][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.638673][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.638800][  T393]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   36.638928][  T393]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   36.639053][  T393]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   36.639179][  T393]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   36.639307][  T393]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   36.639442][  T393]  ? nla_get_range_signed (lib/nlattr.c:270)
[   36.639570][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   36.639699][  T393]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   36.639827][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.639954][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.640080][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.640207][  T393]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   36.640332][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.640473][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.640598][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.640724][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.640851][  T393]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   36.640978][  T393]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   36.641106][  T393]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   36.641232][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.641358][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.641495][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.641622][  T393]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   36.641747][  T393]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   36.641877][  T393]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   36.642003][  T393]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   36.642129][  T393]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   36.642259][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   36.642385][  T393]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   36.642523][  T393]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   36.642650][  T393]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   36.642781][  T393]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   36.642909][  T393]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   36.643036][  T393]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   36.643164][  T393]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   36.643295][  T393]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   36.643431][  T393]  ? copy_msghdr_from_user (net/socket.c:2635)
[   36.643559][  T393]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   36.643716][  T393]  ? move_addr_to_kernel (net/socket.c:258)
[   36.643845][  T393]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   36.643971][  T393]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   36.644098][  T393]  ___sys_sendmsg (net/socket.c:2752)
[   36.644240][  T393]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   36.644408][  T393]  ? copy_msghdr_from_user (net/socket.c:2603)
[   36.644548][  T393]  __sys_sendmsg (net/socket.c:2784)
[   36.644674][  T393]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   36.644802][  T393]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   36.644962][  T393]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   36.645090][  T393]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   36.645217][  T393]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   36.645345][  T393]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   36.645486][  T393]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   36.645613][  T393]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   36.645770][  T393] RIP: 0033:0x7f9f37e4808e
[   36.645902][  T393] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   36.646355][  T393] RSP: 002b:00007fff6a38dc00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   36.646556][  T393] RAX: ffffffffffffffda RBX: 0000000000000006 RCX: 00007f9f37e4808e
[   36.646746][  T393] RDX: 0000000000000000 RSI: 00007fff6a38dcb0 RDI: 0000000000000005
[   36.646936][  T393] RBP: 00007fff6a38dc10 R08: 0000000000000000 R09: 0000000000000000
[   36.647122][  T393] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10e6c7
[   36.647309][  T393] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6a38e380
| [   40.810804][   T12] ------------[ cut here ]------------
| [   40.810966][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   40.811207][   T12] Modules linked in:
| [   40.811591][   T12] Tainted: [W]=WARN
[   40.811681][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.811830][   T12] Workqueue: netns cleanup_net
[   40.811958][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.812113][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.812547][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   40.812697][   T12] RAX: 00000000ffffffa6 RBX: ff1100000daf2040 RCX: 1ff4000000018eed
[   40.812873][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daf20fc
[   40.813047][   T12] RBP: ff110000136c4000 R08: 1fe2200001b5e421 R09: ff11000001aed1d0
[   40.813225][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.813410][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.813591][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   40.813802][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.813952][   T12] CR2: 00007f0b2e279574 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   40.814141][   T12] PKRU: 55555554
[   40.814232][   T12] Call Trace:
[   40.814320][   T12]  <TASK>
[   40.814384][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.814558][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.814704][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.814905][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.815047][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.815167][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.815290][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.815431][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.815551][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.815665][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.815784][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.815900][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.816016][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.816133][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.816251][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.816368][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.816501][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.816620][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.816742][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.816861][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.816989][   T12]  kthread (kernel/kthread.c:436)
[   40.817078][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.817222][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.817341][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.817484][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.817631][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.817752][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.817869][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.820328][   T12] ------------[ cut here ]------------
| [   40.820702][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   40.820958][   T12] Modules linked in:
| [   40.821412][   T12] Tainted: [W]=WARN
[   40.821501][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.821649][   T12] Workqueue: netns cleanup_net
[   40.821772][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.821924][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.822347][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   40.822556][   T12] RAX: 00000000ffffffa6 RBX: ff1100000daf38c0 RCX: 1ff4000000018eed
[   40.822733][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daf397c
[   40.822907][   T12] RBP: ff11000012e01000 R08: 1fe2200001b5e731 R09: ff11000001aed1d0
[   40.823078][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.823250][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.823485][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   40.823693][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.823904][   T12] CR2: 00007f0b2e279574 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   40.824159][   T12] PKRU: 55555554
[   40.824267][   T12] Call Trace:
[   40.824355][   T12]  <TASK>
[   40.824465][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.824621][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.824770][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.824891][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.825009][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.825131][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.825246][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.825363][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.825492][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.825608][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.825727][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.825843][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.825958][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.826076][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.826191][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.826309][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.826440][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.826556][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.826677][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.826798][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.826914][   T12]  kthread (kernel/kthread.c:436)
[   40.827003][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.827148][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.827269][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.827392][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.827548][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.827665][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.827783][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.830356][   T12] ------------[ cut here ]------------
| [   40.830816][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   40.831048][   T12] Modules linked in:
| [   40.831469][   T12] Tainted: [W]=WARN
[   40.831559][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.831702][   T12] Workqueue: netns cleanup_net
[   40.831824][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.832068][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.832540][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   40.832686][   T12] RAX: 00000000ffffffa6 RBX: ff1100000daf31c0 RCX: 1ff4000000018eed
[   40.832858][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000daf327c
[   40.833029][   T12] RBP: ff11000013104000 R08: 1fe2200001b5e651 R09: ff11000001aed1d0
[   40.833202][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   40.833376][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.833611][   T12] FS:  0000000000000000(0000) GS:ff110000d0b47000(0000) knlGS:0000000000000000
[   40.833815][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.833961][   T12] CR2: 00007f0b2e279574 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   40.834135][   T12] PKRU: 55555554
[   40.834224][   T12] Call Trace:
[   40.834312][   T12]  <TASK>
[   40.834375][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.834578][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.834727][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.834845][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.834966][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.835082][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.835202][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.835319][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.835488][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.835606][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.835727][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.835844][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.835960][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.836078][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.836194][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.836311][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.836494][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.836611][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.836732][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.836852][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.837014][   T12]  kthread (kernel/kthread.c:436)
[   40.837143][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.837348][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.837526][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.837643][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.837788][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.837907][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.838023][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.841168][   T12] ------------[ cut here ]------------
| [   40.841298][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.841551][   T12] Modules linked in:
| [   40.841913][   T12] Tainted: [W]=WARN
[   40.842002][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.842154][   T12] Workqueue: netns cleanup_net
[   40.842277][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.842889][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.843314][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   40.843514][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e6fa900 RCX: 1ff4000000018eed
[   40.843730][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6fa9bc
[   40.843905][   T12] RBP: ff11000013331000 R08: 1fe2200001cdf539 R09: ff11000001aed1d0
[   40.844081][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.844260][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.844450][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.844656][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.844809][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.844991][   T12] PKRU: 55555554
[   40.845080][   T12] Call Trace:
[   40.845171][   T12]  <TASK>
[   40.845233][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.845390][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.845553][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.845673][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.845793][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.845912][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.846030][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.846150][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.846271][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.846389][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.846525][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.846647][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.846770][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.846892][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.847014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.847135][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.847256][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.847373][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.847504][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.847628][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.847746][   T12]  kthread (kernel/kthread.c:436)
[   40.847835][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.847982][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.848102][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.848221][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.848370][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.848503][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.848623][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.850623][   T12] ------------[ cut here ]------------
| [   40.850740][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.850971][   T12] Modules linked in:
| [   40.851330][   T12] Tainted: [W]=WARN
[   40.852069][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.852225][   T12] Workqueue: netns cleanup_net
[   40.852349][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.852618][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.853041][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   40.853191][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e6fa580 RCX: 1ff4000000018eed
[   40.853368][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6fa63c
[   40.853613][   T12] RBP: ff11000012a09000 R08: 1fe2200001cdf4c9 R09: ff11000001aed1d0
[   40.853791][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.853971][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.854187][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.854400][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.854553][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.854730][   T12] PKRU: 55555554
[   40.854819][   T12] Call Trace:
[   40.854908][   T12]  <TASK>
[   40.854969][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.855120][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.855266][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.855385][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.855515][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.855635][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.855755][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.855874][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.855995][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.856117][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.856238][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.856356][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.856485][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.856603][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.856722][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.856843][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.856964][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.857086][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.857212][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.857334][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.857464][   T12]  kthread (kernel/kthread.c:436)
[   40.857552][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.857698][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.857823][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.857941][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.858087][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.858205][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.858322][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.876246][   T12] ------------[ cut here ]------------
| [   40.876383][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.877108][   T12] Modules linked in:
| [   40.877556][   T12] Tainted: [W]=WARN
[   40.877651][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.877807][   T12] Workqueue: netns cleanup_net
[   40.877937][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.878100][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.878615][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   40.878774][   T12] RAX: 00000000ffffffa6 RBX: ff1100000e6fa3c0 RCX: 1ff4000000018eaf
[   40.878960][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e6fa47c
[   40.879149][   T12] RBP: ff1100000b6b4000 R08: 1fe2200001cdf491 R09: ff11000001aed1d0
[   40.879335][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   40.879578][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fcb1000
[   40.879765][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.879986][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.880144][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.880329][   T12] PKRU: 55555554
[   40.880481][   T12] Call Trace:
[   40.880577][   T12]  <TASK>
[   40.880641][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.880768][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.880866][   T12]  netif_close_many (net/core/dev.c:1804)
[   40.880991][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.881116][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.881239][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.881365][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   40.881550][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   40.881716][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   40.881877][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.882001][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.882156][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.882280][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.882437][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.882600][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   40.882729][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.882857][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.883007][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.883150][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.883278][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.883416][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.883568][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.883700][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.883829][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.883955][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.884087][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.884210][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.884338][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.884481][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.884609][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.884740][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.884870][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.884999][   T12]  kthread (kernel/kthread.c:436)
[   40.885093][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.885249][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.885373][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.885510][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.885670][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.885793][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.885920][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.888300][   T12] ------------[ cut here ]------------
| [   40.888586][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.888832][   T12] Modules linked in:
| [   40.889214][   T12] Tainted: [W]=WARN
[   40.889308][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.889475][   T12] Workqueue: netns cleanup_net
[   40.889604][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.889763][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.890206][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   40.890361][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf41000 RCX: 1ff4000000018eaf
[   40.890556][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf410bc
[   40.890739][   T12] RBP: ff1100000fcb1000 R08: 1fe22000017e8219 R09: ff11000001aed1d0
[   40.890924][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   40.891108][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000098e4000
[   40.891293][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.891521][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.891679][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.891864][   T12] PKRU: 55555554
[   40.891957][   T12] Call Trace:
[   40.892049][   T12]  <TASK>
[   40.892112][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.892236][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   40.892361][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.892472][   T12]  netif_close_many (net/core/dev.c:1804)
[   40.892601][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.892723][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.892845][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.892973][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   40.893099][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   40.893256][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   40.893421][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.893549][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.893701][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.893825][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.893948][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.894105][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   40.894233][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.894359][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.894497][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.894624][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.894750][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.894876][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.895000][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.895131][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.895255][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.895386][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.895532][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.895656][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.895781][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.895909][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.896035][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.896165][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.896292][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.896428][   T12]  kthread (kernel/kthread.c:436)
[   40.896524][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.896683][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.896812][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.896938][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.897093][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.897223][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.897350][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.899735][   T12] ------------[ cut here ]------------
| [   40.899862][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.900108][   T12] Modules linked in:
| [   40.901050][   T12] Tainted: [W]=WARN
[   40.901144][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.901302][   T12] Workqueue: netns cleanup_net
[   40.901495][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.901657][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.902097][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   40.902258][   T12] RAX: 00000000ffffffa6 RBX: ff11000009317c40 RCX: 1ff4000000018eaf
[   40.902498][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009317cfc
[   40.902683][   T12] RBP: ff110000098e4000 R08: 1fe2200001262fa1 R09: ff11000001aed1d0
[   40.902868][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   40.903059][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   40.903307][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.903582][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.903738][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.903924][   T12] PKRU: 55555554
[   40.904020][   T12] Call Trace:
[   40.904113][   T12]  <TASK>
[   40.904179][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   40.904306][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   40.904488][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   40.904593][   T12]  netif_close_many (net/core/dev.c:1804)
[   40.904717][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.904929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.905057][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.905186][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   40.905310][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   40.905602][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   40.905759][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.905882][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.906116][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.906240][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.906366][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.906575][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   40.906783][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.906909][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.907033][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.907159][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.907288][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.907472][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.907596][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.907724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.907848][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.907972][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.908097][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.908220][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.908482][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.908614][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.908738][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.908866][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.909154][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.909359][   T12]  kthread (kernel/kthread.c:436)
[   40.909514][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.909671][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.909876][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.910083][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.910237][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.910365][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.910547][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.920976][   T12] ------------[ cut here ]------------
| [   40.921107][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.921341][   T12] Modules linked in:
| [   40.921716][   T12] Tainted: [W]=WARN
[   40.921806][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.921956][   T12] Workqueue: netns cleanup_net
[   40.922081][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.922237][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.922685][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   40.922834][   T12] RAX: 00000000ffffffa6 RBX: ff11000009316e40 RCX: 1ff4000000018ed5
[   40.923016][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009316efc
[   40.923197][   T12] RBP: ff1100000b6b4000 R08: 1fe2200001262de1 R09: ff11000001aed1d0
[   40.923374][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.923559][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.923737][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.923946][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.924096][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.924277][   T12] PKRU: 55555554
[   40.924366][   T12] Call Trace:
[   40.924467][   T12]  <TASK>
[   40.924530][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.924683][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.924831][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.924949][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.925067][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.925219][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.925345][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.925476][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.925596][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.925717][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.925839][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.925957][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.926078][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.926197][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.926313][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.926444][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.926564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.926690][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.926812][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.926929][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.927052][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.927180][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.927299][   T12]  kthread (kernel/kthread.c:436)
[   40.927388][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.927547][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.927667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.927787][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.927935][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.928054][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.928177][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.930528][   T12] ------------[ cut here ]------------
| [   40.930647][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.930881][   T12] Modules linked in:
| [   40.931247][   T12] Tainted: [W]=WARN
[   40.931336][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.931497][   T12] Workqueue: netns cleanup_net
[   40.931622][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.931778][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.932202][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   40.932352][   T12] RAX: 00000000ffffffa6 RBX: ff1100000bf20200 RCX: 1ff4000000018ed5
[   40.932538][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bf202bc
[   40.932716][   T12] RBP: ff1100000fcb1000 R08: 1fe22000017e4059 R09: ff11000001aed1d0
[   40.932891][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.933067][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.933246][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.933470][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.933619][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.933800][   T12] PKRU: 55555554
[   40.933890][   T12] Call Trace:
[   40.933980][   T12]  <TASK>
[   40.934043][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.934197][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.934348][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.934479][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.934599][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.934753][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.934874][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.934994][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.935113][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.935234][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.935357][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.935487][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.935610][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.935730][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.935849][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.935969][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.936088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.936211][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.936334][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.936465][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.936588][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.936712][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.936831][   T12]  kthread (kernel/kthread.c:436)
[   40.936924][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.937075][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.937197][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.937317][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.937476][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.937595][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.937714][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.940182][   T12] ------------[ cut here ]------------
| [   40.940301][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.940898][   T12] Modules linked in:
| [   40.941263][   T12] Tainted: [W]=WARN
[   40.941355][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.941518][   T12] Workqueue: netns cleanup_net
[   40.941644][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.941798][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.942227][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   40.942383][   T12] RAX: 00000000ffffffa6 RBX: ff1100000952f000 RCX: 1ff4000000018ed5
[   40.942574][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000952f0bc
[   40.942753][   T12] RBP: ff110000098e4000 R08: 1fe22000012a5e19 R09: ff11000001aed1d0
[   40.942929][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.943107][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.943286][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.943504][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.943656][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d001 CR4: 0000000000771ef0
[   40.943835][   T12] PKRU: 55555554
[   40.943924][   T12] Call Trace:
[   40.944013][   T12]  <TASK>
[   40.944076][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.944231][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.944380][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.944509][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.944628][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   40.944781][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   40.944901][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   40.945020][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   40.945138][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   40.945263][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   40.945385][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.945513][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.945634][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.945754][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.945873][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.945993][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.946115][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.946237][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.946360][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.946488][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.946616][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.946739][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.946857][   T12]  kthread (kernel/kthread.c:436)
[   40.946948][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.947097][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.947218][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.947338][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.947498][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.947616][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.947736][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.990694][   T12] ------------[ cut here ]------------
| [   40.990831][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   40.991064][   T12] Modules linked in:
| [   40.991437][   T12] Tainted: [W]=WARN
[   40.991525][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   40.991671][   T12] Workqueue: netns cleanup_net
[   40.991794][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   40.991950][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   40.992366][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   40.992526][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc06e40 RCX: 1ff4000000018eed
[   40.992705][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc06efc
[   40.992880][   T12] RBP: ff11000008bc9000 R08: 1fe2200001980de1 R09: ff11000001aed1d0
[   40.993056][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   40.993230][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   40.993414][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   40.993620][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   40.993767][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   40.993942][   T12] PKRU: 55555554
[   40.994029][   T12] Call Trace:
[   40.994117][   T12]  <TASK>
[   40.994178][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   40.994333][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   40.994491][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   40.994609][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   40.994733][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   40.994850][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   40.994968][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   40.995087][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   40.995206][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   40.995323][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   40.995456][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   40.995578][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   40.995695][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   40.995815][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   40.995932][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   40.996050][   T12]  process_one_work (kernel/workqueue.c:3314)
[   40.996171][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   40.996287][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   40.996420][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   40.996541][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   40.996658][   T12]  kthread (kernel/kthread.c:436)
[   40.996746][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   40.996891][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.997008][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   40.997127][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   40.997275][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   40.997392][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   40.997519][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   40.999743][   T12] ------------[ cut here ]------------
| [   40.999860][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   41.000089][   T12] Modules linked in:
| [   41.000451][   T12] Tainted: [W]=WARN
[   41.000541][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.000686][   T12] Workqueue: netns cleanup_net
[   41.000807][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.000959][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.001376][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   41.001533][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc07e00 RCX: 1ff4000000018eed
[   41.001708][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc07ebc
[   41.001882][   T12] RBP: ff11000008bc1000 R08: 1fe2200001980fd9 R09: ff11000001aed1d0
[   41.002062][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.002245][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.002430][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   41.002635][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.002781][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   41.002958][   T12] PKRU: 55555554
[   41.003045][   T12] Call Trace:
[   41.003132][   T12]  <TASK>
[   41.003192][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.003342][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.003497][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.003614][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.003732][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.003851][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.003968][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.004089][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.004207][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   41.004329][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.004459][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   41.004577][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.004694][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.004814][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.004929][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.005049][   T12]  process_one_work (kernel/workqueue.c:3314)
[   41.005175][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.005296][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.005427][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.005548][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.005667][   T12]  kthread (kernel/kthread.c:436)
[   41.005756][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.005901][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.006018][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.006134][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.006281][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.006408][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.006529][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.008668][   T12] ------------[ cut here ]------------
| [   41.008782][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   41.009015][   T12] Modules linked in:
| [   41.009365][   T12] Tainted: [W]=WARN
[   41.009465][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.009611][   T12] Workqueue: netns cleanup_net
[   41.009735][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.009886][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.010302][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   41.010460][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc07700 RCX: 1ff4000000018eed
[   41.010634][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc077bc
[   41.010807][   T12] RBP: ff11000008869000 R08: 1fe2200001980ef9 R09: ff11000001aed1d0
[   41.010979][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.011153][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.011328][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   41.011543][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.011690][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   41.011865][   T12] PKRU: 55555554
[   41.011953][   T12] Call Trace:
[   41.012039][   T12]  <TASK>
[   41.012102][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.012250][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.012400][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.012522][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.012641][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.012758][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.012875][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.012995][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.013113][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   41.013230][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.013349][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   41.013476][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.013591][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.013710][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.013826][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.013947][   T12]  process_one_work (kernel/workqueue.c:3314)
[   41.014068][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.014184][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.014305][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.014436][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.014554][   T12]  kthread (kernel/kthread.c:436)
[   41.014643][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.014790][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.014906][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.015023][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.015169][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.015285][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.015411][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.017336][   T12] ------------[ cut here ]------------
| [   41.017462][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   41.017687][   T12] Modules linked in:
| [   41.018040][   T12] Tainted: [W]=WARN
[   41.018129][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.018273][   T12] Workqueue: netns cleanup_net
[   41.018392][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.018554][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.018971][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   41.019121][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc06040 RCX: 1ff4000000018eed
[   41.019297][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc060fc
[   41.019483][   T12] RBP: ff110000092d9000 R08: 1fe2200001980c21 R09: ff11000001aed1d0
[   41.019656][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.019830][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.020006][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   41.020209][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.020354][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   41.020538][   T12] PKRU: 55555554
[   41.020626][   T12] Call Trace:
[   41.020713][   T12]  <TASK>
[   41.020774][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.020921][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.021066][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.021183][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.021300][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.021427][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.021543][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.021661][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.021778][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   41.021900][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.022022][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   41.022141][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.022257][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.022376][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.022499][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.022616][   T12]  process_one_work (kernel/workqueue.c:3314)
[   41.022736][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.022854][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.022974][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.023096][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.023213][   T12]  kthread (kernel/kthread.c:436)
[   41.023301][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.023456][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.023576][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.023693][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.023840][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.023955][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.024078][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.026011][   T12] ------------[ cut here ]------------
| [   41.026130][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   41.026355][   T12] Modules linked in:
| [   41.026716][   T12] Tainted: [W]=WARN
[   41.026806][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.026950][   T12] Workqueue: netns cleanup_net
[   41.027074][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.027224][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.027656][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   41.027802][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc063c0 RCX: 1ff4000000018eed
[   41.027976][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc0647c
[   41.028154][   T12] RBP: ff110000084e1000 R08: 1fe2200001980c91 R09: ff11000001aed1d0
[   41.028332][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.028516][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.028694][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   41.028895][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.029042][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   41.029218][   T12] PKRU: 55555554
[   41.029304][   T12] Call Trace:
[   41.029391][   T12]  <TASK>
[   41.029462][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.029610][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.029756][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   41.029873][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   41.029990][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.030109][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   41.030230][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.030348][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   41.030476][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   41.030592][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.030716][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   41.030835][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.030977][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.031100][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.031217][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.031335][   T12]  process_one_work (kernel/workqueue.c:3314)
[   41.031469][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.031586][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.031707][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.031832][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.031950][   T12]  kthread (kernel/kthread.c:436)
[   41.032037][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.032182][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.032299][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.032426][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.032572][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.032694][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.032813][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.057754][   T12] ------------[ cut here ]------------
| [   41.057888][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   41.058133][   T12] Modules linked in:
| [   41.058517][   T12] Tainted: [W]=WARN
[   41.058609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.058763][   T12] Workqueue: netns cleanup_net
[   41.058893][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.059053][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.059503][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   41.059658][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc06580 RCX: 1ff4000000018eaf
[   41.059845][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc0663c
[   41.060028][   T12] RBP: ff11000008149000 R08: 1fe2200001980cc9 R09: ff11000001aed1d0
[   41.060220][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   41.060411][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   41.060598][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   41.060813][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.060967][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   41.061151][   T12] PKRU: 55555554
[   41.061243][   T12] Call Trace:
[   41.061336][   T12]  <TASK>
[   41.061410][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   41.061535][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   41.061629][   T12]  netif_close_many (net/core/dev.c:1804)
[   41.061752][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.061873][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.061995][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.062117][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   41.062240][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   41.062405][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   41.062579][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   41.062701][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   41.062824][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   41.062946][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.063104][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.063231][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.063354][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.063499][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.063624][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.063748][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.063878][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   41.064001][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.064127][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   41.064251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.064373][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.064507][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.064628][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.064752][   T12]  process_one_work (kernel/workqueue.c:3314)
[   41.064880][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.065002][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.065132][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.065259][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.065382][   T12]  kthread (kernel/kthread.c:436)
[   41.065486][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.065638][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.065762][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.065887][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.066043][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.066167][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.066290][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   41.068423][   T12] ------------[ cut here ]------------
| [   41.068544][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   41.068774][   T12] Modules linked in:
| [   41.069135][   T12] Tainted: [W]=WARN
[   41.069225][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   41.069374][   T12] Workqueue: netns cleanup_net
[   41.069506][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   41.069661][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   41.070092][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   41.070241][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c6b8200 RCX: 1ff4000000018ed5
[   41.070429][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6b82bc
[   41.070607][   T12] RBP: ff11000008149000 R08: 1fe22000018d7059 R09: ff11000001aed1d0
[   41.070786][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   41.070964][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   41.071144][   T12] FS:  0000000000000000(0000) GS:ff110000d0ac7000(0000) knlGS:0000000000000000
[   41.071351][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   41.071545][   T12] CR2: 00007f0b2e645668 CR3: 000000004c54d002 CR4: 0000000000771ef0
[   41.071727][   T12] PKRU: 55555554
[   41.071816][   T12] Call Trace:
[   41.071905][   T12]  <TASK>
[   41.071966][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   41.072116][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   41.072266][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.072388][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   41.072522][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   41.072643][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   41.072763][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   41.072885][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   41.073007][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   41.073124][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   41.073245][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   41.073364][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   41.073492][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   41.073615][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   41.073733][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   41.073855][   T12]  process_one_work (kernel/workqueue.c:3314)
[   41.073983][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   41.074102][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   41.074231][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   41.074353][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   41.074484][   T12]  kthread (kernel/kthread.c:436)
[   41.074574][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   41.074721][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   41.074841][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   41.074960][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   41.075109][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   41.075227][   T12]  ? kthread_affine_node (kernel/kthread.c:378)


Finger prints:
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
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:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtnetlink_event:notifier_call_chain:netdev_update_features:veth_xdp_set
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change: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:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
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_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