======================================
| xx__-> [    9.822931][  T197] ------------[ cut here ]------------
| [    9.823143][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/197
| [    9.823393][  T197] Modules linked in:
| [    9.823911][  T197] Tainted: [W]=WARN
[    9.824017][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.824187][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.824375][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.824906][  T197] RSP: 0018:ffa00000008e7a80 EFLAGS: 00010286
[    9.825077][  T197] RAX: 00000000ffffffa6 RBX: ff1100000b7de3c0 RCX: 1ff400000011cf16
[    9.825294][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7de47c
[    9.825495][  T197] RBP: ff11000009ea9000 R08: 1fe22000016fbc91 R09: ff1100000e842e80
[    9.825700][  T197] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.825939][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ea9000
[    9.826140][  T197] FS:  00007f8e8b508840(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[    9.826391][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.826560][  T197] CR2: 0000000000479648 CR3: 000000000e59f001 CR4: 0000000000771ef0
[    9.826772][  T197] PKRU: 55555554
[    9.826873][  T197] Call Trace:
[    9.827656][  T197]  <TASK>
[    9.827727][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.827862][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.827999][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.828101][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.828248][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.828415][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.828550][  T197]  register_netdev (net/core/dev.c:11552)
[    9.828688][  T197]  loopback_net_init (drivers/net/loopback.c:218)
[    9.828823][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.828926][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.829028][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.829160][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.829305][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.829441][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.829575][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.829774][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.829909][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.830045][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.830180][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.830325][  T197]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.830460][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.830594][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.830783][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.830915][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.831049][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.831184][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.831325][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.831492][  T197] RIP: 0033:0x7f8e8b7cabcb
[    9.831640][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.832119][  T197] RSP: 002b:00007fffc20f0f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.832329][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e8b7cabcb
[    9.832529][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.832734][  T197] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.832934][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc20f3160
[    9.833133][  T197] R13: 0000000000000001 R14: 00007f8e8b5086f8 R15: 00007fffc20f4889
| [    9.838188][  T197] ------------[ cut here ]------------
| [    9.838364][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/197
| [    9.838594][  T197] Modules linked in:
| [    9.838976][  T197] Tainted: [W]=WARN
[    9.839077][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.839251][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.839424][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.839899][  T197] RSP: 0018:ffa00000008e7918 EFLAGS: 00010286
[    9.840067][  T197] RAX: 00000000ffffffa6 RBX: ff1100000df583c0 RCX: 1ff400000011cee9
[    9.840275][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df5847c
[    9.840473][  T197] RBP: ff11000008181000 R08: 1fe2200001beb091 R09: ff1100000e842e80
[    9.840734][  T197] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.840932][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008181000
[    9.841131][  T197] FS:  00007f8e8b508840(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[    9.841375][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.841541][  T197] CR2: 0000000000479648 CR3: 000000000e59f001 CR4: 0000000000771ef0
[    9.841801][  T197] PKRU: 55555554
[    9.841900][  T197] Call Trace:
[    9.842054][  T197]  <TASK>
[    9.842122][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.842265][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.842399][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.842500][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.842695][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.842864][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.842999][  T197]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.843133][  T197]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.843549][  T197]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.843743][  T197]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.843878][  T197]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.844012][  T197]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[    9.844147][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.844261][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.844362][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.844495][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.844685][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.844821][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.844956][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.845091][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.845235][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.845369][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.845502][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.845698][  T197]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.845831][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.845966][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.846098][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.846252][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.846390][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.846524][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.846713][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.846876][  T197] RIP: 0033:0x7f8e8b7cabcb
[    9.847012][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.847491][  T197] RSP: 002b:00007fffc20f0f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.847747][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e8b7cabcb
[    9.847945][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.848146][  T197] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.848354][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc20f3160
[    9.848551][  T197] R13: 0000000000000001 R14: 00007f8e8b5086f8 R15: 00007fffc20f4889
| [    9.852969][  T197] ------------[ cut here ]------------
| [    9.853106][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/197
| [    9.853345][  T197] Modules linked in:
| [    9.853725][  T197] Tainted: [W]=WARN
[    9.853826][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.853995][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.854169][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.855211][  T197] RSP: 0018:ffa00000008e78f8 EFLAGS: 00010286
[    9.855384][  T197] RAX: 00000000ffffffa6 RBX: ff1100000c053540 RCX: 1ff400000011cee5
[    9.855583][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0535fc
[    9.855845][  T197] RBP: ff1100000fcc1000 R08: 1fe220000180a6c1 R09: ff1100000e842e80
[    9.856044][  T197] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[    9.856250][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fcc1000
[    9.856449][  T197] FS:  00007f8e8b508840(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[    9.856737][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.856903][  T197] CR2: 0000000000479648 CR3: 000000000e59f001 CR4: 0000000000771ef0
[    9.857105][  T197] PKRU: 55555554
[    9.857209][  T197] Call Trace:
[    9.857310][  T197]  <TASK>
[    9.857379][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.857512][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.857702][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.857805][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.857940][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.858110][  T197]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[    9.858254][  T197]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[    9.858389][  T197]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[    9.858523][  T197]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[    9.858715][  T197]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[    9.858849][  T197]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[    9.858984][  T197]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[    9.859119][  T197]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[    9.859263][  T197]  vti_init_net (net/ipv4/ip_vti.c:517)
[    9.859396][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.859498][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.859656][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.859790][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.859925][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.860063][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.860203][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.860345][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.860478][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.860666][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.860800][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.860933][  T197]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.861067][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.861208][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.861345][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.861476][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.861663][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.861795][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.861927][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.862095][  T197] RIP: 0033:0x7f8e8b7cabcb
[    9.862243][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.862778][  T197] RSP: 002b:00007fffc20f0f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.862979][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e8b7cabcb
[    9.863178][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.863386][  T197] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.863584][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc20f3160
[    9.863840][  T197] R13: 0000000000000001 R14: 00007f8e8b5086f8 R15: 00007fffc20f4889
| [    9.868349][  T197] ------------[ cut here ]------------
| [    9.868527][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/197
| [    9.868839][  T197] Modules linked in:
| [    9.869320][  T197] Tainted: [W]=WARN
[    9.869466][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.869690][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.869908][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.870452][  T197] RSP: 0018:ffa00000008e7a78 EFLAGS: 00010286
[    9.870682][  T197] RAX: 00000000ffffffa6 RBX: ff1100000df50200 RCX: 1ff400000011cf15
[    9.870935][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df502bc
[    9.871195][  T197] RBP: ff11000005f4c000 R08: 1fe2200001bea059 R09: ff1100000e842e80
[    9.871457][  T197] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.871713][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005f4c000
[    9.871959][  T197] FS:  00007f8e8b508840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[    9.872267][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.872481][  T197] CR2: 00007f0eda7fc000 CR3: 000000000e59f002 CR4: 0000000000771ef0
[    9.872741][  T197] PKRU: 55555554
[    9.872886][  T197] Call Trace:
[    9.873033][  T197]  <TASK>
[    9.873147][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.873345][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.873539][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.873701][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.873882][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.874092][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.874292][  T197]  register_netdev (net/core/dev.c:11552)
[    9.874472][  T197]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[    9.874668][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.874830][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.874978][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.875154][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.875352][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.875534][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.875736][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.875916][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.876109][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.876307][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.876485][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.876681][  T197]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.876861][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.877041][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.877228][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.877423][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.877615][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.877795][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.877973][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.878182][  T197] RIP: 0033:0x7f8e8b7cabcb
[    9.878383][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.878924][  T197] RSP: 002b:00007fffc20f0f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.879168][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e8b7cabcb
[    9.879425][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.879680][  T197] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.879936][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc20f3160
[    9.880177][  T197] R13: 0000000000000001 R14: 00007f8e8b5086f8 R15: 00007fffc20f4889
| [    9.885790][  T197] ------------[ cut here ]------------
| [    9.885967][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/197
| [    9.886251][  T197] Modules linked in:
| [    9.886869][  T197] Tainted: [W]=WARN
[    9.887072][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.887356][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.887647][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.888248][  T197] RSP: 0018:ffa00000008e7a68 EFLAGS: 00010286
[    9.888518][  T197] RAX: 00000000ffffffa6 RBX: ff1100000df51e00 RCX: 1ff400000011cf13
[    9.888829][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df51ebc
[    9.889127][  T197] RBP: ff1100000fc94000 R08: 1fe2200001bea3d9 R09: ff1100000e842e80
[    9.889445][  T197] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.889770][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fc94000
[    9.890069][  T197] FS:  00007f8e8b508840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[    9.890420][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.890702][  T197] CR2: 00007f0eda7fc000 CR3: 000000000e59f002 CR4: 0000000000771ef0
[    9.891016][  T197] PKRU: 55555554
[    9.891202][  T197] Call Trace:
[    9.891363][  T197]  <TASK>
[    9.891478][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.891677][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.891858][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.892007][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.892189][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.892439][  T197]  register_netdev (net/core/dev.c:11552)
[    9.892632][  T197]  sit_init_net (net/ipv6/sit.c:1860)
[    9.892814][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.892963][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.893111][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.893307][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.893488][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.893698][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.893881][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.894064][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.894261][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.894441][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.894633][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.894812][  T197]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.895008][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.895190][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.895388][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.895567][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.895759][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.895940][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.896120][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.896349][  T197] RIP: 0033:0x7f8e8b7cabcb
[    9.896547][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.897074][  T197] RSP: 002b:00007fffc20f0f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.897341][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e8b7cabcb
[    9.897611][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.897855][  T197] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.898097][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc20f3160
[    9.898358][  T197] R13: 0000000000000001 R14: 00007f8e8b5086f8 R15: 00007fffc20f4889
| [    9.904006][  T197] ------------[ cut here ]------------
| [    9.904181][  T197] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/197
| [    9.904475][  T197] Modules linked in:
| [    9.905627][  T197] Tainted: [W]=WARN
[    9.905830][  T197] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.906096][  T197] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.906395][  T197] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[    9.906998][  T197] RSP: 0018:ffa00000008e7a78 EFLAGS: 00010286
[    9.907283][  T197] RAX: 00000000ffffffa6 RBX: ff1100000ce5bc40 RCX: 1ff400000011cf15
[    9.907585][  T197] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce5bcfc
[    9.907911][  T197] RBP: ff11000009324000 R08: 1fe22000019cb7a1 R09: ff1100000e842e80
[    9.908224][  T197] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[    9.908527][  T197] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009324000
[    9.908841][  T197] FS:  00007f8e8b508840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[    9.909189][  T197] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.909477][  T197] CR2: 00007f0eda7fc000 CR3: 000000000e59f002 CR4: 0000000000771ef0
[    9.909794][  T197] PKRU: 55555554
[    9.909997][  T197] Call Trace:
[    9.910199][  T197]  <TASK>
[    9.910387][  T197]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.910638][  T197]  ? notifier_call_chain (kernel/notifier.c:85)
[    9.910873][  T197]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.911021][  T197]  register_netdevice (net/core/dev.c:11488)
[    9.911208][  T197]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[    9.911434][  T197]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.911632][  T197]  register_netdev (net/core/dev.c:11552)
[    9.911815][  T197]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[    9.911998][  T197]  ops_init (net/core/net_namespace.c:137)
[    9.912163][  T197]  setup_net (net/core/net_namespace.c:446)
[    9.912328][  T197]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[    9.912508][  T197]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[    9.912703][  T197]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[    9.912887][  T197]  copy_net_ns (net/core/net_namespace.c:579)
[    9.913069][  T197]  create_new_namespaces (kernel/nsproxy.c:132)
[    9.913272][  T197]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[    9.913467][  T197]  ksys_unshare (kernel/fork.c:3243)
[    9.913663][  T197]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[    9.913843][  T197]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[    9.914024][  T197]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[    9.914208][  T197]  ? __ia32_sys_open (fs/open.c:1374)
[    9.914405][  T197]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[    9.914586][  T197]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[    9.914779][  T197]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.914974][  T197]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.915155][  T197]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.915357][  T197]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.915571][  T197] RIP: 0033:0x7f8e8b7cabcb
[    9.915770][  T197] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[    9.916317][  T197] RSP: 002b:00007fffc20f0f38 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[    9.916565][  T197] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f8e8b7cabcb
[    9.916818][  T197] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[    9.917062][  T197] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[    9.917334][  T197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffc20f3160
[    9.917579][  T197] R13: 0000000000000001 R14: 00007f8e8b5086f8 R15: 00007fffc20f4889
| [    9.942344][  T198] ------------[ cut here ]------------
| [    9.942533][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [    9.943247][  T198] Modules linked in:
| [    9.943621][  T198] Tainted: [W]=WARN
[    9.943722][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[    9.943894][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[    9.944068][  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
[    9.944545][  T198] RSP: 0018:ffa0000000947020 EFLAGS: 00010286
[    9.944718][  T198] RAX: 00000000ffffffa6 RBX: ff1100000cdb18c0 RCX: 1ff4000000128dca
[    9.944922][  T198] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdb197c
[    9.945116][  T198] RBP: ff11000009ea9000 R08: 1fe22000019b6331 R09: ff1100000e845158
[    9.945321][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[    9.945515][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[    9.945724][  T198] FS:  00007f2e94cc6840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[    9.945955][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[    9.946121][  T198] CR2: 0000000005cef988 CR3: 000000000e59e004 CR4: 0000000000771ef0
[    9.946324][  T198] PKRU: 55555554
[    9.946423][  T198] Call Trace:
[    9.946526][  T198]  <TASK>
[    9.946594][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[    9.946737][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[    9.946837][  T198]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[    9.946967][  T198]  __dev_notify_flags (net/core/dev.c:9787)
[    9.947100][  T198]  ? netif_change_name (net/core/dev.c:1495)
[    9.947243][  T198]  ? __dev_change_flags (net/core/dev.c:9752)
[    9.947375][  T198]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[    9.947514][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.947653][  T198]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[    9.947788][  T198]  netif_change_flags (net/core/dev.c:9820)
[    9.947920][  T198]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[    9.948052][  T198]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[    9.948186][  T198]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[    9.948332][  T198]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[    9.948496][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[    9.948634][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.948765][  T198]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[    9.948895][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.949029][  T198]  ? __kernel_text_address (kernel/extable.c:79)
[    9.949168][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.949312][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.949443][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.949576][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.949712][  T198]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[    9.949842][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.949972][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.950109][  T198]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[    9.950248][  T198]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[    9.950380][  T198]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[    9.950512][  T198]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[    9.950650][  T198]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[    9.950785][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[    9.950926][  T198]  rtnl_newlink (net/core/rtnetlink.c:4150)
[    9.951059][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.951189][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.951329][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.951459][  T198]  ? mark_usage (kernel/locking/lockdep.c:4674)
[    9.951589][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.951729][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.951865][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.952001][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.952153][  T198]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[    9.952304][  T198]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[    9.952439][  T198]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[    9.952571][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.952716][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.952847][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.952980][  T198]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[    9.953110][  T198]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[    9.953251][  T198]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[    9.953383][  T198]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[    9.953514][  T198]  ? netlink_ack (./include/linux/skbuff.h:2718)
[    9.953661][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[    9.953793][  T198]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[    9.953926][  T198]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[    9.954059][  T198]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[    9.954189][  T198]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[    9.954330][  T198]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[    9.954469][  T198]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[    9.954606][  T198]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[    9.954742][  T198]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[    9.954962][  T198]  ? copy_msghdr_from_user (net/socket.c:2635)
[    9.955095][  T198]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[    9.955265][  T198]  ? move_addr_to_kernel (net/socket.c:258)
[    9.955483][  T198]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[    9.955629][  T198]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[    9.955763][  T198]  ___sys_sendmsg (net/socket.c:2752)
[    9.955896][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[    9.956148][  T198]  ? copy_msghdr_from_user (net/socket.c:2603)
[    9.956301][  T198]  __sys_sendmsg (net/socket.c:2784)
[    9.956433][  T198]  ? __sys_sendmsg_sock (net/socket.c:2765)
[    9.956573][  T198]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[    9.956830][  T198]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[    9.956962][  T198]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[    9.957098][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[    9.957240][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[    9.957455][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[    9.957594][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[    9.957763][  T198] RIP: 0033:0x7f2e94f0008e
[    9.957902][  T198] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[    9.958473][  T198] RSP: 002b:00007fff199b5af0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[    9.958770][  T198] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2e94f0008e
[    9.958965][  T198] RDX: 0000000000000000 RSI: 00007fff199b5ba0 RDI: 0000000000000005
[    9.959161][  T198] RBP: 00007fff199b5b00 R08: 0000000000000000 R09: 0000000000000000
[    9.959454][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf04
[    9.959660][  T198] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff199b6270
| [   10.070781][  T201] ------------[ cut here ]------------
| [   10.070981][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/201
| [   10.071229][  T201] Modules linked in:
| [   10.071847][  T201] Tainted: [W]=WARN
[   10.071950][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.072209][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.072393][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.072997][  T201] RSP: 0018:ffa0000000966e30 EFLAGS: 00010286
[   10.073185][  T201] RAX: 00000000ffffffa6 RBX: ff110000057c2900 RCX: 1ff400000012cd8c
[   10.073397][  T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057c29bc
[   10.073693][  T201] RBP: ff1100000a84c000 R08: 1fe2200000af8539 R09: ff1100000f5cd180
[   10.073894][  T201] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.074096][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c19bc08
[   10.074311][  T201] FS:  00007f1770f24840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   10.074548][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.074789][  T201] CR2: 000000000042ebe0 CR3: 000000000e43f006 CR4: 0000000000771ef0
[   10.074994][  T201] PKRU: 55555554
[   10.075096][  T201] Call Trace:
[   10.075202][  T201]  <TASK>
[   10.075327][  T201]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   10.075497][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.075704][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.075807][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.075942][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.076076][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   10.076220][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.076355][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   10.076491][  T201]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.076697][  T201]  ? preempt_schedule_notrace_thunk (arch/x86/entry/thunk.S:13)
[   10.076868][  T201]  ? trace_irq_enable.constprop.0 (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 ./include/linux/cpumask.h:649 ./include/linux/cpumask.h:1231 ./include/trace/events/preemptirq.h:40)
[   10.077040][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.077175][  T201]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.077319][  T201]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.077456][  T201]  veth_newlink (drivers/net/veth.c:1871)
[   10.077594][  T201]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.077735][  T201]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.077869][  T201]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.078004][  T201]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.078157][  T201]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.078334][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.078485][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.078669][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.078806][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.078944][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.079082][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.079227][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.079365][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.079509][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.079655][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.079792][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.079927][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.080063][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.080203][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.080382][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.080523][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.080667][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.080803][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.080937][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.081073][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.081210][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.081359][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.081494][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.081639][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.081777][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.081912][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.082051][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.082191][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.082339][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.082476][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.082620][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.082756][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.082893][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.083031][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.083174][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.083320][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.083456][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.083632][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   10.083773][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   10.083909][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.084056][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.084241][  T201]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.084379][  T201]  __sys_sendmsg (net/socket.c:2784)
[   10.084515][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.084660][  T201]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.084797][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.084942][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.085077][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.085219][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.085355][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.085522][  T201] RIP: 0033:0x7f177115e08e
[   10.085671][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.086160][  T201] RSP: 002b:00007ffcb15b5b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.086376][  T201] RAX: ffffffffffffffda RBX: 00007ffcb15b62e0 RCX: 00007f177115e08e
[   10.086577][  T201] RDX: 0000000000000000 RSI: 00007ffcb15b5be0 RDI: 0000000000000005
[   10.086793][  T201] RBP: 00007ffcb15b5b40 R08: 0000000000000000 R09: 0000000000000000
[   10.086996][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf05
[   10.087202][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb15b62a0
| [   10.103066][  T201] ------------[ cut here ]------------
| [   10.103225][  T201] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/201
| [   10.103459][  T201] Modules linked in:
| [   10.103846][  T201] Tainted: [W]=WARN
[   10.103948][  T201] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.104119][  T201] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.104306][  T201] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.104797][  T201] RSP: 0018:ffa00000009671b0 EFLAGS: 00010286
[   10.104967][  T201] RAX: 00000000ffffffa6 RBX: ff11000001e403c0 RCX: 1ff400000012cdfc
[   10.105168][  T201] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e4047c
[   10.105379][  T201] RBP: ff1100000f5d4000 R08: 1fe22000003c8091 R09: ff1100000f5cd180
[   10.105582][  T201] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.105788][  T201] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa3203b20
[   10.105989][  T201] FS:  00007f1770f24840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   10.106236][  T201] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.106407][  T201] CR2: 00007f9a0de492a0 CR3: 000000000e43f004 CR4: 0000000000771ef0
[   10.106614][  T201] PKRU: 55555554
[   10.106715][  T201] Call Trace:
[   10.106815][  T201]  <TASK>
[   10.106885][  T201]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.107022][  T201]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.107125][  T201]  __dev_notify_flags (net/core/dev.c:9787)
[   10.107272][  T201]  ? netif_change_name (net/core/dev.c:1495)
[   10.107411][  T201]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.107545][  T201]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.107748][  T201]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.107885][  T201]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.108021][  T201]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.108155][  T201]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.108299][  T201]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.108442][  T201]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.108583][  T201]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.108783][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.108918][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.109053][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.109187][  T201]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.109332][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.109470][  T201]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.109666][  T201]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.109802][  T201]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.109937][  T201]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.110072][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.110211][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.110372][  T201]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.110507][  T201]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.110680][  T201]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.110817][  T201]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.110954][  T201]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.111093][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.111238][  T201]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.111376][  T201]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.111514][  T201]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.111675][  T201]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.111816][  T201]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.111954][  T201]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.112091][  T201]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.112239][  T201]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.112374][  T201]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.112510][  T201]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.112721][  T201]  ? move_addr_to_kernel (net/socket.c:258)
[   10.112864][  T201]  ___sys_sendmsg (net/socket.c:2752)
[   10.113002][  T201]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.113142][  T201]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.113322][  T201]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.113459][  T201]  __sys_sendmsg (net/socket.c:2784)
[   10.113619][  T201]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.113761][  T201]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   10.113899][  T201]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.114038][  T201]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.114174][  T201]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.114320][  T201]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.114457][  T201]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.114632][  T201] RIP: 0033:0x7f177115e08e
[   10.114776][  T201] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.115322][  T201] RSP: 002b:00007ffcb15b5b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.115528][  T201] RAX: ffffffffffffffda RBX: 00007ffcb15b62e0 RCX: 00007f177115e08e
[   10.115738][  T201] RDX: 0000000000000000 RSI: 00007ffcb15b5be0 RDI: 0000000000000005
[   10.115942][  T201] RBP: 00007ffcb15b5b40 R08: 0000000000000000 R09: 0000000000000000
[   10.116145][  T201] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf05
[   10.116355][  T201] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb15b62a0
| [   10.141535][  T203] ------------[ cut here ]------------
| [   10.141752][  T203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/203
| [   10.142032][  T203] Modules linked in:
| [   10.142576][  T203] Tainted: [W]=WARN
[   10.142740][  T203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.142953][  T203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.143177][  T203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.143739][  T203] RSP: 0018:ffa0000000917020 EFLAGS: 00010286
[   10.143955][  T203] RAX: 00000000ffffffa6 RBX: ff1100000ce5b380 RCX: 1ff4000000122dca
[   10.144204][  T203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce5b43c
[   10.144483][  T203] RBP: ff1100000f5d4000 R08: 1fe22000019cb689 R09: ff1100000e5a2e58
[   10.144743][  T203] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   10.144985][  T203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.145250][  T203] FS:  00007fedeb195840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.145551][  T203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.145777][  T203] CR2: 000000000a64c988 CR3: 0000000004c7d002 CR4: 0000000000771ef0
[   10.146023][  T203] PKRU: 55555554
[   10.146168][  T203] Call Trace:
[   10.146331][  T203]  <TASK>
[   10.146448][  T203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.146646][  T203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.146815][  T203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.146994][  T203]  __dev_notify_flags (net/core/dev.c:9787)
[   10.147176][  T203]  ? netif_change_name (net/core/dev.c:1495)
[   10.147370][  T203]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.147552][  T203]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.147746][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.147931][  T203]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.148135][  T203]  netif_change_flags (net/core/dev.c:9820)
[   10.148335][  T203]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.148516][  T203]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.148713][  T203]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.148926][  T203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.149144][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.149362][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.149543][  T203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.149738][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.149920][  T203]  ? __kernel_text_address (kernel/extable.c:79)
[   10.150133][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.150345][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.150547][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.150749][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.150931][  T203]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.151110][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.151311][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.151493][  T203]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.151689][  T203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.151889][  T203]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.152073][  T203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.152320][  T203]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.152506][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.152704][  T203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.152888][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.153095][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.153297][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.153479][  T203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.153677][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.153862][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.154048][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.154264][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.154470][  T203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.154666][  T203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.154849][  T203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.155034][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.155227][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.155412][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.155626][  T203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.155805][  T203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.155986][  T203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.156166][  T203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.156370][  T203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.156560][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.156750][  T203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.156951][  T203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.157135][  T203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.157349][  T203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.157533][  T203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.157731][  T203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.157917][  T203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.158125][  T203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.158325][  T203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.158505][  T203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.158743][  T203]  ? move_addr_to_kernel (net/socket.c:258)
[   10.158926][  T203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.159106][  T203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.159308][  T203]  ___sys_sendmsg (net/socket.c:2752)
[   10.159509][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.159737][  T203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.159933][  T203]  __sys_sendmsg (net/socket.c:2784)
[   10.160115][  T203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.160316][  T203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.160532][  T203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.160748][  T203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.160931][  T203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.161111][  T203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.161322][  T203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.161504][  T203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.161730][  T203] RIP: 0033:0x7fedeb3cf08e
[   10.161935][  T203] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.162471][  T203] RSP: 002b:00007ffec1bce3e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.162733][  T203] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fedeb3cf08e
[   10.162994][  T203] RDX: 0000000000000000 RSI: 00007ffec1bce490 RDI: 0000000000000005
[   10.163256][  T203] RBP: 00007ffec1bce3f0 R08: 0000000000000000 R09: 0000000000000000
[   10.163500][  T203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf05
[   10.163757][  T203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec1bceb60
| [   10.202745][  T204] ------------[ cut here ]------------
| [   10.202908][  T204] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/204
| [   10.203137][  T204] Modules linked in:
| [   10.203587][  T204] Tainted: [W]=WARN
[   10.203692][  T204] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.203855][  T204] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.204027][  T204] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.204508][  T204] RSP: 0018:ffa0000000967020 EFLAGS: 00010286
[   10.204682][  T204] RAX: 00000000ffffffa6 RBX: ff1100000c1898c0 RCX: 1ff400000012cdca
[   10.204878][  T204] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c18997c
[   10.205074][  T204] RBP: ff1100000a84c000 R08: 1fe2200001831331 R09: ff1100000e7c8b58
[   10.205281][  T204] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.205475][  T204] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.205677][  T204] FS:  00007ff7f84ad840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   10.205905][  T204] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.206071][  T204] CR2: 000000000b2b2988 CR3: 0000000004baf003 CR4: 0000000000771ef0
[   10.206279][  T204] PKRU: 55555554
[   10.206379][  T204] Call Trace:
[   10.206475][  T204]  <TASK>
[   10.206544][  T204]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.206682][  T204]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.206783][  T204]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.206912][  T204]  __dev_notify_flags (net/core/dev.c:9787)
[   10.207045][  T204]  ? netif_change_name (net/core/dev.c:1495)
[   10.207177][  T204]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.207319][  T204]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.207449][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.207582][  T204]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.207721][  T204]  netif_change_flags (net/core/dev.c:9820)
[   10.207853][  T204]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.207984][  T204]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.208116][  T204]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.208259][  T204]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.208422][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.208553][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.208690][  T204]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.208821][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.208951][  T204]  ? __kernel_text_address (kernel/extable.c:79)
[   10.209083][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.209223][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.209353][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.209484][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.209620][  T204]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.209751][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.209904][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.210040][  T204]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.210172][  T204]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.210309][  T204]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.210440][  T204]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.210573][  T204]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.210712][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.210847][  T204]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.210980][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.211110][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.211248][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.211379][  T204]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.211526][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.211686][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.211823][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.211953][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.212084][  T204]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.212240][  T204]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.212373][  T204]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.212505][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.212642][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.212773][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.212907][  T204]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.213038][  T204]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.213169][  T204]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.213310][  T204]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.213442][  T204]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.213577][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.213713][  T204]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.213846][  T204]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.213981][  T204]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.214112][  T204]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.214270][  T204]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.214408][  T204]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.214541][  T204]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.214678][  T204]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.214812][  T204]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.214944][  T204]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.215106][  T204]  ? move_addr_to_kernel (net/socket.c:258)
[   10.215251][  T204]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.215382][  T204]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.215514][  T204]  ___sys_sendmsg (net/socket.c:2752)
[   10.215656][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.215819][  T204]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.215964][  T204]  __sys_sendmsg (net/socket.c:2784)
[   10.216097][  T204]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.216287][  T204]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.216454][  T204]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.216586][  T204]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.216724][  T204]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.216856][  T204]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.216987][  T204]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.217119][  T204]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.217294][  T204] RIP: 0033:0x7ff7f86e708e
[   10.217431][  T204] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.217901][  T204] RSP: 002b:00007ffcc34b2120 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.218098][  T204] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ff7f86e708e
[   10.218303][  T204] RDX: 0000000000000000 RSI: 00007ffcc34b21d0 RDI: 0000000000000005
[   10.218497][  T204] RBP: 00007ffcc34b2130 R08: 0000000000000000 R09: 0000000000000000
[   10.218699][  T204] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf05
[   10.218896][  T204] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcc34b28a0
| [   10.221052][   T39] ------------[ cut here ]------------
| [   10.221270][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   10.221558][   T39] Modules linked in:
| [   10.222066][   T39] Tainted: [W]=WARN
[   10.222209][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.222426][   T39] Workqueue: events_unbound linkwatch_event
[   10.222727][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.222935][   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
[   10.223420][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.223636][   T39] RAX: 00000000ffffffa6 RBX: ff1100000ce5a900 RCX: 1ff4000000057f02
[   10.223862][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce5a9bc
[   10.224086][   T39] RBP: ff1100000a84c000 R08: 1fe22000019cb539 R09: ff11000001da51a8
[   10.224325][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.224551][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.224793][   T39] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.225049][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.225261][   T39] CR2: 00007fedeb262574 CR3: 000000002974d003 CR4: 0000000000771ef0
[   10.225491][   T39] PKRU: 55555554
[   10.225697][   T39] Call Trace:
[   10.225834][   T39]  <TASK>
[   10.225944][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.226113][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.226299][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.226440][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.226624][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.226823][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.226993][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.227161][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.227349][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.227518][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.227701][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.227875][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.228042][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.228231][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.228408][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.228674][   T39]  kthread (kernel/kthread.c:436)
[   10.228813][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.229010][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.229178][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.229463][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.229678][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.229846][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.230015][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.232411][   T39] ------------[ cut here ]------------
| [   10.233116][   T39] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/39
| [   10.233425][   T39] Modules linked in:
| [   10.234031][   T39] Tainted: [W]=WARN
[   10.234172][   T39] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.234385][   T39] Workqueue: events_unbound linkwatch_event
[   10.234591][   T39] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.234812][   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
[   10.235308][   T39] RSP: 0018:ffa00000002bf9e0 EFLAGS: 00010286
[   10.235509][   T39] RAX: 00000000ffffffa6 RBX: ff1100000ce5a200 RCX: 1ff4000000057f02
[   10.235751][   T39] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce5a2bc
[   10.235996][   T39] RBP: ff1100000f5d4000 R08: 1fe22000019cb459 R09: ff11000001da51a8
[   10.236263][   T39] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.236510][   T39] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.236753][   T39] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.237011][   T39] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.237211][   T39] CR2: 00007fedeb262574 CR3: 000000002974d003 CR4: 0000000000771ef0
[   10.237458][   T39] PKRU: 55555554
[   10.237611][   T39] Call Trace:
[   10.237749][   T39]  <TASK>
[   10.237858][   T39]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.238027][   T39]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.238200][   T39]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.238360][   T39]  netif_state_change (net/core/dev.c:1605)
[   10.238548][   T39]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.238776][   T39]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.238947][   T39]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.239119][   T39]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.239310][   T39]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.239481][   T39]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   10.239669][   T39]  process_one_work (kernel/workqueue.c:3314)
[   10.239845][   T39]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.240013][   T39]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.241581][   T39]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.241771][   T39]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.241943][   T39]  kthread (kernel/kthread.c:436)
[   10.242084][   T39]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.242298][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.242473][   T39]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.242658][   T39]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.242891][   T39]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.243062][   T39]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.243247][   T39]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.365563][   T12] ------------[ cut here ]------------
| [   10.365806][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.366151][   T12] Modules linked in:
| [   10.366729][   T12] Tainted: [W]=WARN
[   10.366869][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.367069][   T12] Workqueue: netns cleanup_net
[   10.367262][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.367519][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.368022][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.368240][   T12] RAX: 00000000ffffffa6 RBX: ff11000009445540 RCX: 1ff4000000018eed
[   10.368473][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094455fc
[   10.368713][   T12] RBP: ff11000009324000 R08: 1fe2200001288ac1 R09: ff11000001aed1d0
[   10.368938][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.369163][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.369416][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.369691][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.369891][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.370122][   T12] PKRU: 55555554
[   10.370279][   T12] Call Trace:
[   10.370450][   T12]  <TASK>
[   10.370566][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.370783][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.370983][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.371155][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.371379][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.371550][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.371796][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.371976][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.372148][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.372332][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.372507][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.372695][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.372866][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.373038][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.373214][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.373399][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.373575][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.373762][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.373939][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.374118][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.374308][   T12]  kthread (kernel/kthread.c:436)
[   10.374452][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.374673][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.374844][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.375016][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.375227][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.375400][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.375587][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.378583][   T12] ------------[ cut here ]------------
| [   10.378760][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.379044][   T12] Modules linked in:
| [   10.379555][   T12] Tainted: [W]=WARN
[   10.379714][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.379912][   T12] Workqueue: netns cleanup_net
[   10.380090][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.380317][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.380806][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.381007][   T12] RAX: 00000000ffffffa6 RBX: ff110000094443c0 RCX: 1ff4000000018eed
[   10.381252][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000944447c
[   10.381480][   T12] RBP: ff1100000fc94000 R08: 1fe2200001288891 R09: ff11000001aed1d0
[   10.381721][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.381946][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.382179][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.382454][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.382670][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.382898][   T12] PKRU: 55555554
[   10.383035][   T12] Call Trace:
[   10.383177][   T12]  <TASK>
[   10.383303][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.383508][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.383722][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.383893][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.384067][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.384250][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.384429][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.384615][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.384790][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.384957][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.385129][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.385411][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.385582][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.385767][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.385941][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.386114][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.386383][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.386553][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.386742][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.386917][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.387089][   T12]  kthread (kernel/kthread.c:436)
[   10.387243][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.387447][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.387709][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.387883][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.388084][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.388271][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.388449][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.391950][   T12] ------------[ cut here ]------------
| [   10.392117][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.392415][   T12] Modules linked in:
| [   10.393093][   T12] Tainted: [W]=WARN
[   10.393245][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.393445][   T12] Workqueue: netns cleanup_net
[   10.393640][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.393851][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.394507][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.394729][   T12] RAX: 00000000ffffffa6 RBX: ff11000009444900 RCX: 1ff4000000018eed
[   10.394959][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094449bc
[   10.395186][   T12] RBP: ff11000005f4c000 R08: 1fe2200001288939 R09: ff11000001aed1d0
[   10.395430][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.395758][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.396066][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.396348][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.396548][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.396871][   T12] PKRU: 55555554
[   10.397012][   T12] Call Trace:
[   10.397152][   T12]  <TASK>
[   10.397291][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.397496][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.397708][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.397954][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.398127][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.398319][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.398582][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.398774][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.398947][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.399189][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.399384][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.399648][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.399817][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.400003][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.400173][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.400362][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.400536][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.400722][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.400896][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.401072][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.401256][   T12]  kthread (kernel/kthread.c:436)
[   10.401561][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.401774][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.401946][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.402192][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.402411][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.402582][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.402770][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.405796][   T12] ------------[ cut here ]------------
| [   10.405960][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.406387][   T12] Modules linked in:
| [   10.406872][   T12] Tainted: [W]=WARN
[   10.407012][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.407216][   T12] Workqueue: netns cleanup_net
[   10.407421][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.407643][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.408126][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.408347][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca24ac0 RCX: 1ff4000000018eed
[   10.408608][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca24b7c
[   10.408842][   T12] RBP: ff1100000fcc1000 R08: 1fe2200001944971 R09: ff11000001aed1d0
[   10.409070][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.409321][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.409569][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.409845][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.410043][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.410369][   T12] PKRU: 55555554
[   10.410507][   T12] Call Trace:
[   10.410681][   T12]  <TASK>
[   10.410794][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.411001][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.411199][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.411387][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.411560][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.411743][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.411926][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.412100][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.412293][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.412471][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.412661][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.412836][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.413008][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.413179][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.413457][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.413647][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.413836][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.414007][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.414181][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.414444][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.414628][   T12]  kthread (kernel/kthread.c:436)
[   10.414784][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.414984][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.415153][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.415346][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.415547][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.415733][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.415916][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.419235][   T12] ------------[ cut here ]------------
| [   10.419403][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.419794][   T12] Modules linked in:
| [   10.420359][   T12] Tainted: [W]=WARN
[   10.420497][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.420722][   T12] Workqueue: netns cleanup_net
[   10.420898][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.421103][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.421767][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   10.422055][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca243c0 RCX: 1ff4000000018eed
[   10.422298][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca2447c
[   10.422615][   T12] RBP: ff11000008181000 R08: 1fe2200001944891 R09: ff11000001aed1d0
[   10.422839][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.423152][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.423427][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.423704][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.423902][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.424143][   T12] PKRU: 55555554
[   10.424296][   T12] Call Trace:
[   10.424434][   T12]  <TASK>
[   10.424545][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.424767][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.424963][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   10.425132][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   10.425320][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.425488][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   10.425686][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.425856][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   10.426029][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.426196][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.426386][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.426556][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.426884][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.427143][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.427330][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.427502][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.427693][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.427866][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.428039][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.428227][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.428400][   T12]  kthread (kernel/kthread.c:436)
[   10.428552][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.428764][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.428934][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.429181][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.429390][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.429751][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.430007][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.461136][   T12] ------------[ cut here ]------------
| [   10.461327][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.461642][   T12] Modules linked in:
| [   10.462137][   T12] Tainted: [W]=WARN
[   10.462307][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.462513][   T12] Workqueue: netns cleanup_net
[   10.462711][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.462922][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.463448][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   10.463669][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ca24740 RCX: 1ff4000000018eaf
[   10.463904][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ca247fc
[   10.464141][   T12] RBP: ff1100000f5d4000 R08: 1fe2200001944901 R09: ff11000001aed1d0
[   10.464410][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   10.464661][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000a84c000
[   10.464899][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.465166][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.465403][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.465658][   T12] PKRU: 55555554
[   10.465800][   T12] Call Trace:
[   10.465943][   T12]  <TASK>
[   10.466058][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.466255][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.466403][   T12]  netif_close_many (net/core/dev.c:1804)
[   10.466612][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.466786][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.466961][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.467136][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   10.467332][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.467543][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.467766][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.467958][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.468164][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.468357][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.468539][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.468736][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.468912][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.469089][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.469300][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.469480][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.469667][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.469844][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.470022][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.470195][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.470392][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.470582][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.470774][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.470953][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.471129][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.471329][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.471512][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.471702][   T12]  kthread (kernel/kthread.c:436)
[   10.471861][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.472066][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.472257][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.472437][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.472660][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.472844][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.473035][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.476120][   T12] ------------[ cut here ]------------
| [   10.476312][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.476913][   T12] Modules linked in:
| [   10.477421][   T12] Tainted: [W]=WARN
[   10.477564][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.477795][   T12] Workqueue: netns cleanup_net
[   10.477975][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.478187][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.478715][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   10.478937][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e41e00 RCX: 1ff4000000018eaf
[   10.479173][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e41ebc
[   10.479425][   T12] RBP: ff1100000a84c000 R08: 1fe22000003c83d9 R09: ff11000001aed1d0
[   10.479676][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   10.479956][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ea9000
[   10.480197][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.480484][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.480706][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.480944][   T12] PKRU: 55555554
[   10.481099][   T12] Call Trace:
[   10.481254][   T12]  <TASK>
[   10.481368][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.481544][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.481739][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.481886][   T12]  netif_close_many (net/core/dev.c:1804)
[   10.482063][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.482251][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.482445][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.482638][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   10.482817][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.483024][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.483246][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.483427][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.483652][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.483834][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.484030][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.484214][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.484404][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.484582][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.484775][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.484954][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.485128][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.485329][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.485521][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.485724][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.485903][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.486077][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.486270][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.486450][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.486652][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.486834][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.487014][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.487188][   T12]  kthread (kernel/kthread.c:436)
[   10.487351][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.487558][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.487761][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.487938][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.488143][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.488336][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.488514][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.490977][   T12] ------------[ cut here ]------------
| [   10.491146][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.491476][   T12] Modules linked in:
| [   10.492658][   T12] Tainted: [W]=WARN
[   10.492854][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.493109][   T12] Workqueue: netns cleanup_net
[   10.493354][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.493650][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.494200][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   10.494472][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e40c80 RCX: 1ff4000000018eaf
[   10.494786][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e40d3c
[   10.495071][   T12] RBP: ff11000009ea9000 R08: 1fe22000003c81a9 R09: ff11000001aed1d0
[   10.495372][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   10.495673][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   10.495959][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.496304][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.496561][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.496859][   T12] PKRU: 55555554
[   10.497050][   T12] Call Trace:
[   10.497257][   T12]  <TASK>
[   10.497423][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.497663][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.497902][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.498096][   T12]  netif_close_many (net/core/dev.c:1804)
[   10.498341][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.498565][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.498809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.499089][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   10.499389][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   10.499708][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   10.500169][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.500368][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.500572][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.500762][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.500941][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.501117][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.501340][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.501530][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.501727][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.501904][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.502077][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.502273][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.502447][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.502632][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.502821][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.502993][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.503167][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.503362][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.503536][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.503731][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.503910][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.504096][   T12]  kthread (kernel/kthread.c:436)
[   10.504256][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.504465][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.504660][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.504841][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.505047][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.505232][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.505426][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.508161][   T12] ------------[ cut here ]------------
| [   10.508375][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.509146][   T12] Modules linked in:
| [   10.509741][   T12] Tainted: [W]=WARN
[   10.509934][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.510180][   T12] Workqueue: netns cleanup_net
[   10.510436][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.510712][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.511256][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   10.511504][   T12] RAX: 00000000ffffffa6 RBX: ff1100000adcf540 RCX: 1ff4000000018ed5
[   10.511810][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000adcf5fc
[   10.512086][   T12] RBP: ff1100000f5d4000 R08: 1fe22000015b9ec1 R09: ff11000001aed1d0
[   10.512379][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.512685][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.512976][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.513301][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.513550][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.513843][   T12] PKRU: 55555554
[   10.514041][   T12] Call Trace:
[   10.514271][   T12]  <TASK>
[   10.514430][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.514701][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.514946][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.515161][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.515483][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.515705][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.515877][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.516049][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.516236][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.516409][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.516579][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.516768][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.516955][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.517152][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.517360][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.517533][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.517719][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.517892][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.518062][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.518278][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.518486][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.518675][   T12]  kthread (kernel/kthread.c:436)
[   10.518816][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.519013][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.519182][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.519382][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.519583][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.519768][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.519938][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.522724][   T12] ------------[ cut here ]------------
| [   10.522892][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.523174][   T12] Modules linked in:
| [   10.523812][   T12] Tainted: [W]=WARN
[   10.523998][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.524260][   T12] Workqueue: netns cleanup_net
[   10.524482][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.524757][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.525305][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   10.525550][   T12] RAX: 00000000ffffffa6 RBX: ff1100000adce740 RCX: 1ff4000000018ed5
[   10.525836][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000adce7fc
[   10.526116][   T12] RBP: ff1100000a84c000 R08: 1fe22000015b9d01 R09: ff11000001aed1d0
[   10.526421][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.526707][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.526980][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.527295][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.527557][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.527847][   T12] PKRU: 55555554
[   10.528027][   T12] Call Trace:
[   10.528215][   T12]  <TASK>
[   10.528389][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.528665][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.528927][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.529152][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.529391][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.529624][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.529838][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.530052][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.530281][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.530501][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.530728][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.530959][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.531172][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.531401][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.531635][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.531847][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.532062][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.532293][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.532558][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.532798][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.532970][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.533139][   T12]  kthread (kernel/kthread.c:436)
[   10.533296][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.533494][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.533678][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.533849][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.534061][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.534242][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.534413][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.552097][   T12] ------------[ cut here ]------------
| [   10.552279][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   10.552564][   T12] Modules linked in:
| [   10.553433][   T12] Tainted: [W]=WARN
[   10.553572][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.553785][   T12] Workqueue: netns cleanup_net
[   10.553961][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.554167][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.554668][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   10.554867][   T12] RAX: 00000000ffffffa6 RBX: ff1100000adcfc40 RCX: 1ff4000000018ed5
[   10.555092][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000adcfcfc
[   10.555335][   T12] RBP: ff11000009ea9000 R08: 1fe22000015b9fa1 R09: ff11000001aed1d0
[   10.555560][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.555797][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.556024][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.556298][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.556497][   T12] CR2: 000000003098c006 CR3: 000000002974d005 CR4: 0000000000771ef0
[   10.556736][   T12] PKRU: 55555554
[   10.556873][   T12] Call Trace:
[   10.557009][   T12]  <TASK>
[   10.557118][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   10.557339][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   10.557538][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   10.557721][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   10.557894][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   10.558068][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   10.558254][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   10.558423][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   10.558593][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   10.558778][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   10.558944][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.559116][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   10.559306][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   10.559475][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   10.559657][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.559827][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.559996][   T12]  process_one_work (kernel/workqueue.c:3314)
[   10.560167][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.560352][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.560525][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.560729][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.560897][   T12]  kthread (kernel/kthread.c:436)
[   10.561036][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.561247][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.561418][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.561587][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.561800][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.561983][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.562152][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.629127][  T222] ------------[ cut here ]------------
| [   10.629319][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   10.629551][  T222] Modules linked in:
| [   10.629939][  T222] Tainted: [W]=WARN
[   10.630040][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.630211][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.630392][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.630880][  T222] RSP: 0018:ffa0000000907a80 EFLAGS: 00010286
[   10.631050][  T222] RAX: 00000000ffffffa6 RBX: ff1100000c052ac0 RCX: 1ff4000000120f16
[   10.631283][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c052b7c
[   10.631486][  T222] RBP: ff1100000e871000 R08: 1fe220000180a571 R09: ff1100000e7cd180
[   10.631693][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.631893][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e871000
[   10.632097][  T222] FS:  00007f2d998d4840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   10.632343][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.632510][  T222] CR2: 00007f2d99ae0690 CR3: 000000001202c004 CR4: 0000000000771ef0
[   10.632720][  T222] PKRU: 55555554
[   10.632821][  T222] Call Trace:
[   10.632922][  T222]  <TASK>
[   10.632994][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.633131][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.633280][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.633384][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.633521][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.633694][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.633828][  T222]  register_netdev (net/core/dev.c:11552)
[   10.633961][  T222]  loopback_net_init (drivers/net/loopback.c:218)
[   10.634096][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.634214][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.634321][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.634455][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.634590][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.634732][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.634867][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.635004][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.635138][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.635282][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.635429][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.635563][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.635706][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.635841][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.635974][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.636108][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.636249][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.636382][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.636515][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.636685][  T222] RIP: 0033:0x7f2d99b96bcb
[   10.636827][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.637311][  T222] RSP: 002b:00007ffcf2f585a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.637514][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2d99b96bcb
[   10.637719][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.637919][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.638119][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf2f5a7d0
[   10.638334][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf2f5b887
| [   10.642755][  T222] ------------[ cut here ]------------
| [   10.642913][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   10.643142][  T222] Modules linked in:
| [   10.643542][  T222] Tainted: [W]=WARN
[   10.643649][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.643814][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.643989][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.644496][  T222] RSP: 0018:ffa0000000907918 EFLAGS: 00010286
[   10.644672][  T222] RAX: 00000000ffffffa6 RBX: ff1100001024e3c0 RCX: 1ff4000000120ee9
[   10.644870][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001024e47c
[   10.645083][  T222] RBP: ff11000007939000 R08: 1fe2200002049c91 R09: ff1100000e7cd180
[   10.645289][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.645488][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007939000
[   10.645692][  T222] FS:  00007f2d998d4840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   10.645924][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.646090][  T222] CR2: 00007f2d99ae0690 CR3: 000000001202c004 CR4: 0000000000771ef0
[   10.646298][  T222] PKRU: 55555554
[   10.646396][  T222] Call Trace:
[   10.646494][  T222]  <TASK>
[   10.646563][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.646703][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.646836][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.646937][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.647071][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.647292][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.647426][  T222]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.647559][  T222]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.647699][  T222]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.647833][  T222]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.647965][  T222]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.648099][  T222]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.648243][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.648345][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.648446][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.648578][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.648716][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.648848][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.648980][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.649114][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.649268][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.649403][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.649536][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.649674][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.649807][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.649941][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.650071][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.650208][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.650344][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.650475][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.650612][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.650777][  T222] RIP: 0033:0x7f2d99b96bcb
[   10.650915][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.651393][  T222] RSP: 002b:00007ffcf2f585a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.651594][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2d99b96bcb
[   10.651798][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.651995][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.652191][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf2f5a7d0
[   10.652399][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf2f5b887
| [   10.656257][  T222] ------------[ cut here ]------------
| [   10.656401][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   10.656640][  T222] Modules linked in:
| [   10.657009][  T222] Tainted: [W]=WARN
[   10.657111][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.657288][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.657463][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.657944][  T222] RSP: 0018:ffa00000009078f8 EFLAGS: 00010286
[   10.658111][  T222] RAX: 00000000ffffffa6 RBX: ff11000010259380 RCX: 1ff4000000120ee5
[   10.658318][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001025943c
[   10.658516][  T222] RBP: ff1100000fa6c000 R08: 1fe220000204b289 R09: ff1100000e7cd180
[   10.658720][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.658919][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa6c000
[   10.659121][  T222] FS:  00007f2d998d4840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   10.659379][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.659556][  T222] CR2: 00007f2d99ae0690 CR3: 000000001202c004 CR4: 0000000000771ef0
[   10.659762][  T222] PKRU: 55555554
[   10.659874][  T222] Call Trace:
[   10.659974][  T222]  <TASK>
[   10.660043][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.660179][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.660328][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.660431][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.660575][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.660749][  T222]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.660892][  T222]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.661027][  T222]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.661162][  T222]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.661310][  T222]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.661444][  T222]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.661579][  T222]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.661720][  T222]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.661858][  T222]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.661994][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.662096][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.662211][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.662349][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.662484][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.662626][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.662762][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.662898][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.663034][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.663167][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.663311][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.663445][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.663581][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.663723][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.663858][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.663991][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.664125][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.664268][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.664402][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.664569][  T222] RIP: 0033:0x7f2d99b96bcb
[   10.664716][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.665189][  T222] RSP: 002b:00007ffcf2f585a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.665399][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2d99b96bcb
[   10.665629][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.665851][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.666059][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf2f5a7d0
[   10.666288][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf2f5b887
| [   10.670496][  T222] ------------[ cut here ]------------
| [   10.670655][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   10.670882][  T222] Modules linked in:
| [   10.671264][  T222] Tainted: [W]=WARN
[   10.671366][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.671532][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.671713][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.672190][  T222] RSP: 0018:ffa0000000907a78 EFLAGS: 00010286
[   10.672369][  T222] RAX: 00000000ffffffa6 RBX: ff11000010258580 RCX: 1ff4000000120f15
[   10.672568][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001025863c
[   10.672773][  T222] RBP: ff11000009f31000 R08: 1fe220000204b0c9 R09: ff1100000e7cd180
[   10.672972][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.673173][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009f31000
[   10.673413][  T222] FS:  00007f2d998d4840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   10.673653][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.673822][  T222] CR2: 00007f2d99ae0690 CR3: 000000001202c004 CR4: 0000000000771ef0
[   10.674025][  T222] PKRU: 55555554
[   10.674124][  T222] Call Trace:
[   10.674233][  T222]  <TASK>
[   10.674302][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.674435][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.674569][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.674677][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.674813][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.674982][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.675119][  T222]  register_netdev (net/core/dev.c:11552)
[   10.675262][  T222]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.675397][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.675498][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.675606][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.675739][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.675874][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.676008][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.676142][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.676284][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.676417][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.676550][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.676690][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.676827][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.676961][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.677764][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.677902][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.678062][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.678197][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.678338][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.678471][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.678644][  T222] RIP: 0033:0x7f2d99b96bcb
[   10.678783][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.679265][  T222] RSP: 002b:00007ffcf2f585a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.679467][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2d99b96bcb
[   10.679677][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.679875][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.680074][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf2f5a7d0
[   10.680296][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf2f5b887
| [   10.695029][  T222] ------------[ cut here ]------------
| [   10.695228][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   10.695464][  T222] Modules linked in:
| [   10.695845][  T222] Tainted: [W]=WARN
[   10.695947][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.696115][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.696301][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.696831][  T222] RSP: 0018:ffa0000000907a68 EFLAGS: 00010286
[   10.697019][  T222] RAX: 00000000ffffffa6 RBX: ff1100001024f540 RCX: 1ff4000000120f13
[   10.697249][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001024f5fc
[   10.697450][  T222] RBP: ff1100000f6bc000 R08: 1fe2200002049ec1 R09: ff1100000e7cd180
[   10.697661][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.698083][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f6bc000
[   10.698315][  T222] FS:  00007f2d998d4840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   10.698551][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.698766][  T222] CR2: 00007f2d99ae0690 CR3: 000000001202c004 CR4: 0000000000771ef0
[   10.698973][  T222] PKRU: 55555554
[   10.699075][  T222] Call Trace:
[   10.699175][  T222]  <TASK>
[   10.699251][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.699386][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.699520][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.699714][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.699854][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.700024][  T222]  register_netdev (net/core/dev.c:11552)
[   10.700158][  T222]  sit_init_net (net/ipv6/sit.c:1860)
[   10.700303][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.700406][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.700508][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.700647][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.700784][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.700921][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.701058][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.701198][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.701342][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.701476][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.701615][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.701752][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.701885][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.702021][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.702154][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.702298][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.702431][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.702567][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.702707][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.702877][  T222] RIP: 0033:0x7f2d99b96bcb
[   10.703019][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.703517][  T222] RSP: 002b:00007ffcf2f585a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.703732][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2d99b96bcb
[   10.703933][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.704135][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.704346][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf2f5a7d0
[   10.704546][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf2f5b887
| [   10.709523][  T222] ------------[ cut here ]------------
| [   10.709698][  T222] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/222
| [   10.709928][  T222] Modules linked in:
| [   10.710314][  T222] Tainted: [W]=WARN
[   10.710416][  T222] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.710585][  T222] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.710767][  T222] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.711251][  T222] RSP: 0018:ffa0000000907a78 EFLAGS: 00010286
[   10.711449][  T222] RAX: 00000000ffffffa6 RBX: ff1100000cce3700 RCX: 1ff4000000120f15
[   10.711657][  T222] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cce37bc
[   10.711859][  T222] RBP: ff11000009dac000 R08: 1fe220000199c6f9 R09: ff1100000e7cd180
[   10.712059][  T222] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.712272][  T222] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009dac000
[   10.712473][  T222] FS:  00007f2d998d4840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   10.713245][  T222] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.713416][  T222] CR2: 00007f2d99ae0690 CR3: 000000001202c004 CR4: 0000000000771ef0
[   10.713677][  T222] PKRU: 55555554
[   10.713777][  T222] Call Trace:
[   10.713878][  T222]  <TASK>
[   10.713947][  T222]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.714082][  T222]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.714227][  T222]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.714358][  T222]  register_netdevice (net/core/dev.c:11488)
[   10.714494][  T222]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.714720][  T222]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.714913][  T222]  register_netdev (net/core/dev.c:11552)
[   10.715048][  T222]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   10.715183][  T222]  ops_init (net/core/net_namespace.c:137)
[   10.715297][  T222]  setup_net (net/core/net_namespace.c:446)
[   10.715398][  T222]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.715531][  T222]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.715726][  T222]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.715861][  T222]  copy_net_ns (net/core/net_namespace.c:579)
[   10.715996][  T222]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.716132][  T222]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.716278][  T222]  ksys_unshare (kernel/fork.c:3243)
[   10.716412][  T222]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.716547][  T222]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.716739][  T222]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.716873][  T222]  ? __ia32_sys_open (fs/open.c:1374)
[   10.717008][  T222]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.717140][  T222]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.717283][  T222]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.717418][  T222]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.717552][  T222]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.717743][  T222]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.717909][  T222] RIP: 0033:0x7f2d99b96bcb
[   10.718048][  T222] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.718534][  T222] RSP: 002b:00007ffcf2f585a8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.718796][  T222] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f2d99b96bcb
[   10.719033][  T222] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.719245][  T222] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.719466][  T222] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffcf2f5a7d0
[   10.719727][  T222] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffcf2f5b887
| [   10.744088][  T223] ------------[ cut here ]------------
| [   10.744296][  T223] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/223
| [   10.744552][  T223] Modules linked in:
| [   10.744982][  T223] Tainted: [W]=WARN
[   10.745083][  T223] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.745261][  T223] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.745435][  T223] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.746677][  T223] RSP: 0018:ffa0000000907020 EFLAGS: 00010286
[   10.746846][  T223] RAX: 00000000ffffffa6 RBX: ff1100000ccdb380 RCX: 1ff4000000120dca
[   10.747046][  T223] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ccdb43c
[   10.747253][  T223] RBP: ff1100000e871000 R08: 1fe220000199b689 R09: ff1100000a4c2e58
[   10.747450][  T223] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.747723][  T223] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   10.747926][  T223] FS:  00007ffb45d16840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   10.748171][  T223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.748346][  T223] CR2: 000000001d8f3988 CR3: 00000000120f1006 CR4: 0000000000771ef0
[   10.748545][  T223] PKRU: 55555554
[   10.748647][  T223] Call Trace:
[   10.748747][  T223]  <TASK>
[   10.748816][  T223]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.748952][  T223]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.749056][  T223]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.749190][  T223]  __dev_notify_flags (net/core/dev.c:9787)
[   10.749337][  T223]  ? netif_change_name (net/core/dev.c:1495)
[   10.749471][  T223]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.749611][  T223]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   10.749744][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.749880][  T223]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.750014][  T223]  netif_change_flags (net/core/dev.c:9820)
[   10.750148][  T223]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   10.750293][  T223]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.750429][  T223]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.750568][  T223]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.750767][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.750901][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.751036][  T223]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.751169][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.751392][  T223]  ? __kernel_text_address (kernel/extable.c:79)
[   10.751526][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.751668][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.751802][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.751936][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.752070][  T223]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.752207][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.752346][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.752479][  T223]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.752619][  T223]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.752755][  T223]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.752905][  T223]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.753046][  T223]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.753183][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.753332][  T223]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.753467][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.753615][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.753753][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.753906][  T223]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.754041][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.754176][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.754318][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.754452][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.754600][  T223]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.754742][  T223]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.754887][  T223]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.755023][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.755156][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.755304][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.755440][  T223]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.755573][  T223]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.755712][  T223]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.755847][  T223]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   10.755988][  T223]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.756126][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.756270][  T223]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.756406][  T223]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.756542][  T223]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.756683][  T223]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.756817][  T223]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.756952][  T223]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.757089][  T223]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.757236][  T223]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.757385][  T223]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.757521][  T223]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.757694][  T223]  ? move_addr_to_kernel (net/socket.c:258)
[   10.757828][  T223]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.757962][  T223]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.758101][  T223]  ___sys_sendmsg (net/socket.c:2752)
[   10.758245][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.758412][  T223]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.758558][  T223]  __sys_sendmsg (net/socket.c:2784)
[   10.758698][  T223]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.758831][  T223]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.759000][  T223]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.759138][  T223]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.759282][  T223]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.759415][  T223]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.759549][  T223]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.759688][  T223]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.759853][  T223] RIP: 0033:0x7ffb45f5008e
[   10.759994][  T223] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.760516][  T223] RSP: 002b:00007ffd0a413ed0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.760723][  T223] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007ffb45f5008e
[   10.760921][  T223] RDX: 0000000000000000 RSI: 00007ffd0a413f80 RDI: 0000000000000005
[   10.761121][  T223] RBP: 00007ffd0a413ee0 R08: 0000000000000000 R09: 0000000000000000
[   10.761328][  T223] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf05
[   10.761526][  T223] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd0a414650
| [   10.920253][  T227] ------------[ cut here ]------------
| [   10.920476][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.920774][  T227] Modules linked in:
| [   10.921265][  T227] Tainted: [W]=WARN
[   10.921416][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.921643][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.921866][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.922403][  T227] RSP: 0018:ffa0000000a47a80 EFLAGS: 00010286
[   10.922633][  T227] RAX: 00000000ffffffa6 RBX: ff1100000baba580 RCX: 1ff4000000148f16
[   10.922879][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000baba63c
[   10.923126][  T227] RBP: ff1100000fa69000 R08: 1fe22000017574c9 R09: ff1100000fab0b80
[   10.923388][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.923648][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa69000
[   10.923900][  T227] FS:  00007fbe6bb57840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.924182][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.924413][  T227] CR2: 00007fbe6bd617d0 CR3: 000000000d355004 CR4: 0000000000771ef0
[   10.924676][  T227] PKRU: 55555554
[   10.924824][  T227] Call Trace:
[   10.924971][  T227]  <TASK>
[   10.925088][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.925289][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.925471][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.925634][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.925819][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.926033][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.926231][  T227]  register_netdev (net/core/dev.c:11552)
[   10.926415][  T227]  loopback_net_init (drivers/net/loopback.c:218)
[   10.926612][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.926761][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.926910][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.927089][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.927290][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.927475][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.927671][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.927856][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.928038][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.928232][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.928418][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.928615][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.928799][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.928986][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.929165][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.929359][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.929542][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.929737][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.929919][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.930131][  T227] RIP: 0033:0x7fbe6be19bcb
[   10.930335][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.930867][  T227] RSP: 002b:00007ffda54612c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.931115][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbe6be19bcb
[   10.931382][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.931640][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.931885][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffda54634f0
[   10.932130][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffda5463888
| [   10.936897][  T227] ------------[ cut here ]------------
| [   10.937075][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.937362][  T227] Modules linked in:
| [   10.937835][  T227] Tainted: [W]=WARN
[   10.937981][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.938196][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.938429][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.938950][  T227] RSP: 0018:ffa0000000a47918 EFLAGS: 00010286
[   10.939168][  T227] RAX: 00000000ffffffa6 RBX: ff1100000c143000 RCX: 1ff4000000148ee9
[   10.939423][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1430bc
[   10.939679][  T227] RBP: ff1100000fd61000 R08: 1fe2200001828619 R09: ff1100000fab0b80
[   10.939921][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.940164][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fd61000
[   10.940432][  T227] FS:  00007fbe6bb57840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.940723][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.940935][  T227] CR2: 00007fbe6bd617d0 CR3: 000000000d355004 CR4: 0000000000771ef0
[   10.941178][  T227] PKRU: 55555554
[   10.941337][  T227] Call Trace:
[   10.941485][  T227]  <TASK>
[   10.941615][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.941793][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.941972][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.942121][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.942320][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.942530][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.942730][  T227]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.942910][  T227]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.943088][  T227]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.943287][  T227]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.943468][  T227]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.943667][  T227]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   10.943848][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.943997][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.944147][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.944338][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.944518][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.944713][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.944893][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.945075][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.945270][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.945453][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.945645][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.945825][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.946006][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.946187][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.946384][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.946563][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.946755][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.946934][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.947113][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.947342][  T227] RIP: 0033:0x7fbe6be19bcb
[   10.947526][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.948050][  T227] RSP: 002b:00007ffda54612c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.948316][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbe6be19bcb
[   10.948557][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.948810][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.949057][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffda54634f0
[   10.949317][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffda5463888
| [   10.953676][  T227] ------------[ cut here ]------------
| [   10.953854][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.954128][  T227] Modules linked in:
| [   10.954621][  T227] Tainted: [W]=WARN
[   10.954768][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.954983][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.955206][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.955749][  T227] RSP: 0018:ffa0000000a478f8 EFLAGS: 00010286
[   10.955967][  T227] RAX: 00000000ffffffa6 RBX: ff1100000c142040 RCX: 1ff4000000148ee5
[   10.956215][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c1420fc
[   10.956473][  T227] RBP: ff1100000e56c000 R08: 1fe2200001828421 R09: ff1100000fab0b80
[   10.956730][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.956974][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e56c000
[   10.957233][  T227] FS:  00007fbe6bb57840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.957516][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.957743][  T227] CR2: 00007fbe6bd617d0 CR3: 000000000d355004 CR4: 0000000000771ef0
[   10.957991][  T227] PKRU: 55555554
[   10.958138][  T227] Call Trace:
[   10.958304][  T227]  <TASK>
[   10.958421][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.958614][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.958794][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.958943][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.959124][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.959354][  T227]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.959540][  T227]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   10.959736][  T227]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   10.959917][  T227]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   10.960099][  T227]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   10.960297][  T227]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   10.960479][  T227]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   10.960675][  T227]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.960858][  T227]  vti_init_net (net/ipv4/ip_vti.c:517)
[   10.961042][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.961192][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.961358][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.961536][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.961732][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.961916][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.962099][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.962304][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.962485][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.962681][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.962862][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.963043][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.963236][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.963420][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.963616][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.963796][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.963976][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.964157][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.964359][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.964572][  T227] RIP: 0033:0x7fbe6be19bcb
[   10.964771][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.965305][  T227] RSP: 002b:00007ffda54612c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.965554][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbe6be19bcb
[   10.965813][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.966061][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.966323][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffda54634f0
[   10.966567][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffda5463888
| [   10.971204][  T227] ------------[ cut here ]------------
| [   10.971391][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/227
| [   10.971681][  T227] Modules linked in:
| [   10.972148][  T227] Tainted: [W]=WARN
[   10.972316][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.972549][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.972786][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.973323][  T227] RSP: 0018:ffa0000000a47a78 EFLAGS: 00010286
[   10.973539][  T227] RAX: 00000000ffffffa6 RBX: ff1100000babb1c0 RCX: 1ff4000000148f15
[   10.973800][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000babb27c
[   10.974045][  T227] RBP: ff1100000e674000 R08: 1fe2200001757651 R09: ff1100000fab0b80
[   10.974313][  T227] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.974565][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e674000
[   10.974831][  T227] FS:  00007fbe6bb57840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   10.975110][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.975346][  T227] CR2: 00007fbe6bd617d0 CR3: 000000000d355004 CR4: 0000000000771ef0
[   10.975612][  T227] PKRU: 55555554
[   10.975758][  T227] Call Trace:
[   10.975905][  T227]  <TASK>
[   10.976021][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.976206][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.976400][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.976551][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.976752][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.976964][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.977148][  T227]  register_netdev (net/core/dev.c:11552)
[   10.977353][  T227]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   10.977538][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.977702][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.977853][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.978035][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.978229][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.978417][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.978614][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.978798][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.978981][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.979163][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.979360][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.979544][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.979754][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.979938][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.980120][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.980323][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.980508][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.980713][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.980898][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.981109][  T227] RIP: 0033:0x7fbe6be19bcb
[   10.981317][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.981853][  T227] RSP: 002b:00007ffda54612c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.982103][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbe6be19bcb
[   10.982363][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.982622][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.982867][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffda54634f0
[   10.983114][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffda5463888
| [   10.990071][  T227] ------------[ cut here ]------------
| [   10.990232][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/227
| [   10.990465][  T227] Modules linked in:
| [   10.990848][  T227] Tainted: [W]=WARN
[   10.990949][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.991118][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.991302][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.991780][  T227] RSP: 0018:ffa0000000a47a68 EFLAGS: 00010286
[   10.991947][  T227] RAX: 00000000ffffffa6 RBX: ff1100001021cac0 RCX: 1ff4000000148f13
[   10.992147][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001021cb7c
[   10.992358][  T227] RBP: ff1100000e989000 R08: 1fe2200002043971 R09: ff1100000fab0b80
[   10.992556][  T227] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.992761][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e989000
[   10.992963][  T227] FS:  00007fbe6bb57840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   10.993202][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.993376][  T227] CR2: 00005618b7ce8d20 CR3: 000000000d355006 CR4: 0000000000771ef0
[   10.993577][  T227] PKRU: 55555554
[   10.993683][  T227] Call Trace:
[   10.993782][  T227]  <TASK>
[   10.993852][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.993986][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.994119][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.994231][  T227]  register_netdevice (net/core/dev.c:11488)
[   10.994368][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.994536][  T227]  register_netdev (net/core/dev.c:11552)
[   10.994676][  T227]  sit_init_net (net/ipv6/sit.c:1860)
[   10.994813][  T227]  ops_init (net/core/net_namespace.c:137)
[   10.994915][  T227]  setup_net (net/core/net_namespace.c:446)
[   10.995016][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.995150][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.995295][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.995432][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   10.995568][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.995711][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.995844][  T227]  ksys_unshare (kernel/fork.c:3243)
[   10.995976][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.996110][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.996251][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   10.996386][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   10.996522][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.996663][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.996795][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.996929][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.997064][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.997200][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.997369][  T227] RIP: 0033:0x7fbe6be19bcb
[   10.997507][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.997984][  T227] RSP: 002b:00007ffda54612c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.998185][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbe6be19bcb
[   10.998396][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.998601][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.998799][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffda54634f0
[   10.998998][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffda5463888
| [   11.010330][  T227] ------------[ cut here ]------------
| [   11.010493][  T227] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/227
| [   11.010729][  T227] Modules linked in:
| [   11.011099][  T227] Tainted: [W]=WARN
[   11.011230][  T227] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.011419][  T227] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.011602][  T227] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.012072][  T227] RSP: 0018:ffa0000000a47a78 EFLAGS: 00010286
[   11.012247][  T227] RAX: 00000000ffffffa6 RBX: ff1100000c673000 RCX: 1ff4000000148f15
[   11.012447][  T227] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6730bc
[   11.012650][  T227] RBP: ff110000120fc000 R08: 1fe22000018ce619 R09: ff1100000fab0b80
[   11.012847][  T227] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.013044][  T227] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000120fc000
[   11.013251][  T227] FS:  00007fbe6bb57840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.013485][  T227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.013657][  T227] CR2: 00005618b7ce8d20 CR3: 000000000d355006 CR4: 0000000000771ef0
[   11.013857][  T227] PKRU: 55555554
[   11.013955][  T227] Call Trace:
[   11.014054][  T227]  <TASK>
[   11.014123][  T227]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.014267][  T227]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.014400][  T227]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.014500][  T227]  register_netdevice (net/core/dev.c:11488)
[   11.014660][  T227]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.014830][  T227]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.014965][  T227]  register_netdev (net/core/dev.c:11552)
[   11.015102][  T227]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.015246][  T227]  ops_init (net/core/net_namespace.c:137)
[   11.015349][  T227]  setup_net (net/core/net_namespace.c:446)
[   11.015449][  T227]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.015582][  T227]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.015720][  T227]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.015856][  T227]  copy_net_ns (net/core/net_namespace.c:579)
[   11.015990][  T227]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.016127][  T227]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.016269][  T227]  ksys_unshare (kernel/fork.c:3243)
[   11.016401][  T227]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.016534][  T227]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.016672][  T227]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.016805][  T227]  ? __ia32_sys_open (fs/open.c:1374)
[   11.016940][  T227]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.017089][  T227]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.017233][  T227]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.017366][  T227]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.017498][  T227]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.017636][  T227]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.017800][  T227] RIP: 0033:0x7fbe6be19bcb
[   11.017937][  T227] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.018417][  T227] RSP: 002b:00007ffda54612c8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.018621][  T227] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbe6be19bcb
[   11.018818][  T227] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.019017][  T227] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.019218][  T227] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffda54634f0
[   11.019421][  T227] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffda5463888
| [   11.051454][  T228] ------------[ cut here ]------------
| [   11.052118][  T228] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/228
| [   11.052366][  T228] Modules linked in:
| [   11.052744][  T228] Tainted: [W]=WARN
[   11.052845][  T228] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.053018][  T228] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.053190][  T228] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.053674][  T228] RSP: 0018:ffa0000000567020 EFLAGS: 00010286
[   11.053843][  T228] RAX: 00000000ffffffa6 RBX: ff1100000c672740 RCX: 1ff40000000acdca
[   11.054039][  T228] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c6727fc
[   11.054246][  T228] RBP: ff1100000fa69000 R08: 1fe22000018ce501 R09: ff110000096cd158
[   11.054441][  T228] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.054644][  T228] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.054840][  T228] FS:  00007f63a128f840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.055071][  T228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.055246][  T228] CR2: 0000000027e93988 CR3: 0000000004ae7002 CR4: 0000000000771ef0
[   11.055443][  T228] PKRU: 55555554
[   11.055545][  T228] Call Trace:
[   11.055648][  T228]  <TASK>
[   11.055717][  T228]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.055850][  T228]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.055951][  T228]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.056081][  T228]  __dev_notify_flags (net/core/dev.c:9787)
[   11.056219][  T228]  ? netif_change_name (net/core/dev.c:1495)
[   11.056355][  T228]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.056487][  T228]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.056624][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.056756][  T228]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.056889][  T228]  netif_change_flags (net/core/dev.c:9820)
[   11.057021][  T228]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.057153][  T228]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.057297][  T228]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.057431][  T228]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.057600][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.057733][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.057864][  T228]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.057996][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.058130][  T228]  ? __kernel_text_address (kernel/extable.c:79)
[   11.058273][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.058406][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.058537][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.058674][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.058805][  T228]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.058935][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.059067][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.059202][  T228]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.059342][  T228]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.059473][  T228]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.059609][  T228]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.059743][  T228]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.059877][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.060011][  T228]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.060145][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.060286][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.060418][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.060549][  T228]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.060684][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.060818][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.060950][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.061080][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.061214][  T228]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.061355][  T228]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.061487][  T228]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.061624][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.061756][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.061887][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.062023][  T228]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.062154][  T228]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.062297][  T228]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.062429][  T228]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.062562][  T228]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.062703][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.062835][  T228]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.062971][  T228]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.063103][  T228]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.063245][  T228]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.063377][  T228]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.063511][  T228]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.063649][  T228]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.063784][  T228]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.063917][  T228]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.064049][  T228]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.064213][  T228]  ? move_addr_to_kernel (net/socket.c:258)
[   11.064351][  T228]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.064482][  T228]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.064622][  T228]  ___sys_sendmsg (net/socket.c:2752)
[   11.064753][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.064916][  T228]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.065061][  T228]  __sys_sendmsg (net/socket.c:2784)
[   11.065196][  T228]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.065332][  T228]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.065497][  T228]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.065636][  T228]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.065768][  T228]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.065900][  T228]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.066032][  T228]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.066162][  T228]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.066333][  T228] RIP: 0033:0x7f63a14c908e
[   11.066471][  T228] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.066942][  T228] RSP: 002b:00007fffed1bec90 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.067140][  T228] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f63a14c908e
[   11.067345][  T228] RDX: 0000000000000000 RSI: 00007fffed1bed40 RDI: 0000000000000005
[   11.067543][  T228] RBP: 00007fffed1beca0 R08: 0000000000000000 R09: 0000000000000000
[   11.067742][  T228] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.067938][  T228] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffed1bf410
| [   11.182790][  T232] ------------[ cut here ]------------
| [   11.182958][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   11.183192][  T232] Modules linked in:
| [   11.183579][  T232] Tainted: [W]=WARN
[   11.183688][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.183853][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.184033][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.184517][  T232] RSP: 0018:ffa0000000a77a80 EFLAGS: 00010286
[   11.184692][  T232] RAX: 00000000ffffffa6 RBX: ff1100000cce2200 RCX: 1ff400000014ef16
[   11.184890][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cce22bc
[   11.185090][  T232] RBP: ff1100000eb21000 R08: 1fe220000199c459 R09: ff1100000961ae80
[   11.185311][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.185509][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000eb21000
[   11.185714][  T232] FS:  00007f4f63be6840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   11.185952][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.186118][  T232] CR2: 00007f4f63f5f493 CR3: 000000000df75005 CR4: 0000000000771ef0
[   11.186329][  T232] PKRU: 55555554
[   11.186429][  T232] Call Trace:
[   11.186528][  T232]  <TASK>
[   11.186604][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.186739][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.186875][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.186977][  T232]  register_netdevice (net/core/dev.c:11488)
[   11.187111][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.187285][  T232]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.187419][  T232]  register_netdev (net/core/dev.c:11552)
[   11.187552][  T232]  loopback_net_init (drivers/net/loopback.c:218)
[   11.187970][  T232]  ops_init (net/core/net_namespace.c:137)
[   11.188075][  T232]  setup_net (net/core/net_namespace.c:446)
[   11.188176][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.188317][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.188450][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.188585][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   11.188728][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.188865][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.189001][  T232]  ksys_unshare (kernel/fork.c:3243)
[   11.189134][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.189279][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.189413][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.189548][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   11.189690][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.189823][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.189956][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.190089][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.190233][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.190368][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.190532][  T232] RIP: 0033:0x7f4f63ea8bcb
[   11.190678][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.191153][  T232] RSP: 002b:00007ffe6b9563f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.191365][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f63ea8bcb
[   11.191563][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.191768][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.191966][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6b958620
[   11.192187][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6b959887
| [   11.196102][  T232] ------------[ cut here ]------------
| [   11.196255][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   11.196488][  T232] Modules linked in:
| [   11.196869][  T232] Tainted: [W]=WARN
[   11.196969][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.197184][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.197371][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.197852][  T232] RSP: 0018:ffa0000000a77918 EFLAGS: 00010286
[   11.198020][  T232] RAX: 00000000ffffffa6 RBX: ff110000103e0580 RCX: 1ff400000014eee9
[   11.198229][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103e063c
[   11.198429][  T232] RBP: ff1100000e9a4000 R08: 1fe220000207c0c9 R09: ff1100000961ae80
[   11.198634][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.198832][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9a4000
[   11.199035][  T232] FS:  00007f4f63be6840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   11.199278][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.199446][  T232] CR2: 00007f4f63f5f493 CR3: 000000000df75005 CR4: 0000000000771ef0
[   11.199657][  T232] PKRU: 55555554
[   11.199757][  T232] Call Trace:
[   11.199856][  T232]  <TASK>
[   11.199925][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.200059][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.200192][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.200303][  T232]  register_netdevice (net/core/dev.c:11488)
[   11.200438][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.200611][  T232]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.200747][  T232]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.200881][  T232]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.201014][  T232]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.201148][  T232]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.201290][  T232]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.201426][  T232]  ? __kmalloc_noprof (mm/slub.c:5296 mm/slub.c:5307)
[   11.201564][  T232]  ops_init (net/core/net_namespace.c:137)
[   11.201674][  T232]  setup_net (net/core/net_namespace.c:446)
[   11.201775][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.201908][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.202040][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.202175][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   11.202317][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.202455][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.202588][  T232]  ksys_unshare (kernel/fork.c:3243)
[   11.202727][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.202859][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.202992][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.203124][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   11.203268][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.203402][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.203534][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.203680][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.203814][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.203946][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.204110][  T232] RIP: 0033:0x7f4f63ea8bcb
[   11.204259][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.204737][  T232] RSP: 002b:00007ffe6b9563f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.204937][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f63ea8bcb
[   11.205134][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.205350][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.205547][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6b958620
[   11.205752][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6b959887
| [   11.210066][  T232] ------------[ cut here ]------------
| [   11.210235][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   11.210470][  T232] Modules linked in:
| [   11.210886][  T232] Tainted: [W]=WARN
[   11.210987][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.211157][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.211356][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.211844][  T232] RSP: 0018:ffa0000000a778f8 EFLAGS: 00010286
[   11.212013][  T232] RAX: 00000000ffffffa6 RBX: ff1100000b9c7000 RCX: 1ff400000014eee5
[   11.212225][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9c70bc
[   11.212427][  T232] RBP: ff1100000e404000 R08: 1fe2200001738e19 R09: ff1100000961ae80
[   11.212649][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.212868][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e404000
[   11.213074][  T232] FS:  00007f4f63be6840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   11.213329][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.213508][  T232] CR2: 00007f4f63f5f493 CR3: 000000000df75005 CR4: 0000000000771ef0
[   11.213734][  T232] PKRU: 55555554
[   11.213834][  T232] Call Trace:
[   11.213943][  T232]  <TASK>
[   11.214012][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.214148][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.214299][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.214403][  T232]  register_netdevice (net/core/dev.c:11488)
[   11.214539][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.214713][  T232]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.214863][  T232]  __ip_tunnel_create (net/ipv4/ip_tunnel.c:268)
[   11.215011][  T232]  ? ip_tunnel_encap_del_ops (net/ipv4/ip_tunnel.c:479 (discriminator 1))
[   11.215145][  T232]  ? net_generic (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2))
[   11.215292][  T232]  ip_tunnel_init_net (net/ipv4/ip_tunnel.c:1147)
[   11.215428][  T232]  ? ip_tunnel_ctl (net/ipv4/ip_tunnel.c:952)
[   11.215565][  T232]  ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[   11.215709][  T232]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.215848][  T232]  vti_init_net (net/ipv4/ip_vti.c:517)
[   11.215988][  T232]  ops_init (net/core/net_namespace.c:137)
[   11.216091][  T232]  setup_net (net/core/net_namespace.c:446)
[   11.216195][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.216336][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.216471][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.216628][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   11.216769][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.216923][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.217062][  T232]  ksys_unshare (kernel/fork.c:3243)
[   11.217200][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.217340][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.217475][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.217624][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   11.217762][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.217896][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.218031][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.218167][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.218311][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.218445][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.218615][  T232] RIP: 0033:0x7f4f63ea8bcb
[   11.218763][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.219251][  T232] RSP: 002b:00007ffe6b9563f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.219456][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f63ea8bcb
[   11.219669][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.219870][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.220070][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6b958620
[   11.220280][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6b959887
| [   11.224706][  T232] ------------[ cut here ]------------
| [   11.224859][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   11.225085][  T232] Modules linked in:
| [   11.225503][  T232] Tainted: [W]=WARN
[   11.225610][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.225779][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.225951][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.226490][  T232] RSP: 0018:ffa0000000a77a78 EFLAGS: 00010286
[   11.226673][  T232] RAX: 00000000ffffffa6 RBX: ff1100000b9c6200 RCX: 1ff400000014ef15
[   11.226873][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b9c62bc
[   11.227077][  T232] RBP: ff1100000e9e4000 R08: 1fe2200001738c59 R09: ff1100000961ae80
[   11.227283][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.227482][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e9e4000
[   11.227701][  T232] FS:  00007f4f63be6840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   11.227961][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.228128][  T232] CR2: 00007f4f63f5f493 CR3: 000000000df75005 CR4: 0000000000771ef0
[   11.228337][  T232] PKRU: 55555554
[   11.228435][  T232] Call Trace:
[   11.228532][  T232]  <TASK>
[   11.228606][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.228745][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.228882][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.228985][  T232]  register_netdevice (net/core/dev.c:11488)
[   11.229120][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.229295][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.229430][  T232]  register_netdev (net/core/dev.c:11552)
[   11.229563][  T232]  vti6_init_net (net/ipv6/ip6_vti.c:1167)
[   11.229706][  T232]  ops_init (net/core/net_namespace.c:137)
[   11.229829][  T232]  setup_net (net/core/net_namespace.c:446)
[   11.229935][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.230067][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.230203][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.230343][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   11.230476][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.230615][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.230750][  T232]  ksys_unshare (kernel/fork.c:3243)
[   11.230905][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.231058][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.231190][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.231351][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   11.231486][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.231622][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.231755][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.231887][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.232018][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.232150][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.232333][  T232] RIP: 0033:0x7f4f63ea8bcb
[   11.232470][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.232955][  T232] RSP: 002b:00007ffe6b9563f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.233176][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f63ea8bcb
[   11.233378][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.233576][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.233785][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6b958620
[   11.233982][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6b959887
| [   11.238308][  T232] ------------[ cut here ]------------
| [   11.238474][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   11.238710][  T232] Modules linked in:
| [   11.239080][  T232] Tainted: [W]=WARN
[   11.239182][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.239358][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.239530][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.240006][  T232] RSP: 0018:ffa0000000a77a68 EFLAGS: 00010286
[   11.240172][  T232] RAX: 00000000ffffffa6 RBX: ff110000103e1380 RCX: 1ff400000014ef13
[   11.240377][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000103e143c
[   11.240575][  T232] RBP: ff11000009e81000 R08: 1fe220000207c289 R09: ff1100000961ae80
[   11.240778][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.240977][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e81000
[   11.241176][  T232] FS:  00007f4f63be6840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   11.241437][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.241611][  T232] CR2: 00007f4f63f5f493 CR3: 000000000df75005 CR4: 0000000000771ef0
[   11.241814][  T232] PKRU: 55555554
[   11.241913][  T232] Call Trace:
[   11.242012][  T232]  <TASK>
[   11.242080][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.242216][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.242381][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.242504][  T232]  register_netdevice (net/core/dev.c:11488)
[   11.242646][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.242954][  T232]  register_netdev (net/core/dev.c:11552)
[   11.243087][  T232]  sit_init_net (net/ipv6/sit.c:1860)
[   11.243232][  T232]  ops_init (net/core/net_namespace.c:137)
[   11.243335][  T232]  setup_net (net/core/net_namespace.c:446)
[   11.243436][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.243569][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.243709][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.243846][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   11.244004][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.244142][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.244284][  T232]  ksys_unshare (kernel/fork.c:3243)
[   11.244416][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.244549][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.244688][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.244835][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   11.244970][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.245123][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.245282][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.245415][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.245548][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.245687][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.245857][  T232] RIP: 0033:0x7f4f63ea8bcb
[   11.246007][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.246501][  T232] RSP: 002b:00007ffe6b9563f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.246708][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f63ea8bcb
[   11.246905][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.247100][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.247303][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6b958620
[   11.247500][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6b959887
| [   11.261825][  T232] ------------[ cut here ]------------
| [   11.262019][  T232] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/232
| [   11.262257][  T232] Modules linked in:
| [   11.262640][  T232] Tainted: [W]=WARN
[   11.262743][  T232] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.262913][  T232] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.263090][  T232] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.263580][  T232] RSP: 0018:ffa0000000a77a78 EFLAGS: 00010286
[   11.263783][  T232] RAX: 00000000ffffffa6 RBX: ff1100000bb28740 RCX: 1ff400000014ef15
[   11.264023][  T232] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000bb287fc
[   11.264233][  T232] RBP: ff11000009ce4000 R08: 1fe2200001765101 R09: ff1100000961ae80
[   11.264433][  T232] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.264658][  T232] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009ce4000
[   11.264860][  T232] FS:  00007f4f63be6840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   11.265093][  T232] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.265278][  T232] CR2: 00007f4f63f5f493 CR3: 000000000df75005 CR4: 0000000000771ef0
[   11.265478][  T232] PKRU: 55555554
[   11.265579][  T232] Call Trace:
[   11.265683][  T232]  <TASK>
[   11.265752][  T232]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.265897][  T232]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.266034][  T232]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.266134][  T232]  register_netdevice (net/core/dev.c:11488)
[   11.266381][  T232]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   11.266547][  T232]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.266689][  T232]  register_netdev (net/core/dev.c:11552)
[   11.266822][  T232]  ip6_tnl_init_net (net/ipv6/ip6_tunnel.c:2346)
[   11.266956][  T232]  ops_init (net/core/net_namespace.c:137)
[   11.267058][  T232]  setup_net (net/core/net_namespace.c:446)
[   11.267160][  T232]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   11.267302][  T232]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   11.267435][  T232]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   11.267571][  T232]  copy_net_ns (net/core/net_namespace.c:579)
[   11.267711][  T232]  create_new_namespaces (kernel/nsproxy.c:132)
[   11.267847][  T232]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   11.267979][  T232]  ksys_unshare (kernel/fork.c:3243)
[   11.268111][  T232]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.268253][  T232]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   11.268387][  T232]  ? __x64_sys_openat (fs/open.c:1370 fs/open.c:1386 fs/open.c:1381 fs/open.c:1381)
[   11.268521][  T232]  ? __ia32_sys_open (fs/open.c:1374)
[   11.268662][  T232]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   11.268794][  T232]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   11.268924][  T232]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.269056][  T232]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.269190][  T232]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.269333][  T232]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.269495][  T232] RIP: 0033:0x7f4f63ea8bcb
[   11.269642][  T232] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   11.270137][  T232] RSP: 002b:00007ffe6b9563f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   11.270346][  T232] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f4f63ea8bcb
[   11.270559][  T232] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   11.270767][  T232] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   11.270963][  T232] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe6b958620
[   11.271162][  T232] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe6b959887
| [   11.303040][  T233] ------------[ cut here ]------------
| [   11.303220][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   11.303462][  T233] Modules linked in:
| [   11.303879][  T233] Tainted: [W]=WARN
[   11.303981][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.304147][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.304330][  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
[   11.304809][  T233] RSP: 0018:ffa0000000a77020 EFLAGS: 00010286
[   11.304975][  T233] RAX: 00000000ffffffa6 RBX: ff1100001021ce40 RCX: 1ff400000014edca
[   11.305172][  T233] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100001021cefc
[   11.305378][  T233] RBP: ff1100000eb21000 R08: 1fe22000020439e1 R09: ff1100000ebf0b58
[   11.305574][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.305793][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.305994][  T233] FS:  00007f52c1e40840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.306234][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.306400][  T233] CR2: 00007f52c21101a0 CR3: 000000000aa9b006 CR4: 0000000000771ef0
[   11.306603][  T233] PKRU: 55555554
[   11.306703][  T233] Call Trace:
[   11.306802][  T233]  <TASK>
[   11.306870][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.307006][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.307107][  T233]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.307260][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   11.307400][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   11.307533][  T233]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.307674][  T233]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.307806][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.307939][  T233]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.308075][  T233]  netif_change_flags (net/core/dev.c:9820)
[   11.308214][  T233]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.308354][  T233]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.308491][  T233]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.308630][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.308797][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.308929][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.309061][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.309209][  T233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.309367][  T233]  ? __kernel_text_address (kernel/extable.c:79)
[   11.309503][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.309643][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.309775][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.309907][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.310045][  T233]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.310177][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.310317][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.310450][  T233]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.310583][  T233]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.310721][  T233]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.310853][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.310986][  T233]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.311122][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.311266][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.311401][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.311533][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.311671][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.311802][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.311932][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.312066][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.312199][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.312337][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.312468][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.312607][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.312741][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.312873][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.313004][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.313155][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.313302][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.313433][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.313567][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.313709][  T233]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.313840][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.313978][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.314109][  T233]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.314252][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.314386][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.314518][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.314658][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.314791][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.314928][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.315064][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.315203][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.315345][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.315507][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   11.315647][  T233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.315780][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.315913][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   11.316044][  T233]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.316211][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.316498][  T233]  __sys_sendmsg (net/socket.c:2784)
[   11.316637][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.316770][  T233]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.316937][  T233]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.317069][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.317206][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.317342][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.317474][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.317611][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.317774][  T233] RIP: 0033:0x7f52c207a08e
[   11.317913][  T233] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.318393][  T233] RSP: 002b:00007ffc7d7f8150 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.318591][  T233] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f52c207a08e
[   11.318794][  T233] RDX: 0000000000000000 RSI: 00007ffc7d7f8200 RDI: 0000000000000005
[   11.318990][  T233] RBP: 00007ffc7d7f8160 R08: 0000000000000000 R09: 0000000000000000
[   11.319185][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.319392][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7d7f88d0
| [   11.428428][  T236] ------------[ cut here ]------------
| [   11.428650][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/236
| [   11.428938][  T236] Modules linked in:
| [   11.429438][  T236] Tainted: [W]=WARN
[   11.429592][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.429829][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.430057][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.430617][  T236] RSP: 0018:ffa0000000aa6e30 EFLAGS: 00010286
[   11.430838][  T236] RAX: 00000000ffffffa6 RBX: ff1100000c5be740 RCX: 1ff4000000154d8c
[   11.431095][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c5be7fc
[   11.431363][  T236] RBP: ff11000008f9c000 R08: 1fe22000018b7d01 R09: ff1100000fe55180
[   11.431626][  T236] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.431876][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ca6e390
[   11.432134][  T236] FS:  00007f1f4d7b2840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   11.432436][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.432670][  T236] CR2: 000000000042ebe0 CR3: 000000000e40f006 CR4: 0000000000771ef0
[   11.432924][  T236] PKRU: 55555554
[   11.433073][  T236] Call Trace:
[   11.433234][  T236]  <TASK>
[   11.433358][  T236]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.433546][  T236]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.433711][  T236]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.433928][  T236]  __dev_notify_flags (net/core/dev.c:9787)
[   11.434114][  T236]  ? netif_change_name (net/core/dev.c:1495)
[   11.434318][  T236]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.434504][  T236]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.434706][  T236]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.434893][  T236]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.435082][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.435287][  T236]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.435475][  T236]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.435672][  T236]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.435856][  T236]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.436047][  T236]  veth_newlink (drivers/net/veth.c:1871)
[   11.436248][  T236]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.436433][  T236]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.436631][  T236]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.436815][  T236]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.437015][  T236]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.437200][  T236]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.437405][  T236]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.437591][  T236]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.437791][  T236]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.437978][  T236]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.438164][  T236]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.438362][  T236]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.438546][  T236]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.438751][  T236]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.438943][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.439130][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.439329][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.439513][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.439711][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.439895][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.440083][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.440292][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.440477][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.440678][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.440866][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.441050][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.441249][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.441460][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.441663][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.441851][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.442035][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.442239][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.442425][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.442626][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.442814][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.442999][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.443184][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.443392][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.443582][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.443784][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.443970][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.444154][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.444389][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   11.444580][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   11.444781][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.444971][  T236]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.445197][  T236]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.445400][  T236]  __sys_sendmsg (net/socket.c:2784)
[   11.445586][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.445790][  T236]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.445976][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.446167][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.446364][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.446548][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.446748][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.446966][  T236] RIP: 0033:0x7f1f4d9ec08e
[   11.447155][  T236] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.447720][  T236] RSP: 002b:00007fffa6cd4e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.447974][  T236] RAX: ffffffffffffffda RBX: 00007fffa6cd5600 RCX: 00007f1f4d9ec08e
[   11.448235][  T236] RDX: 0000000000000000 RSI: 00007fffa6cd4f00 RDI: 0000000000000005
[   11.448487][  T236] RBP: 00007fffa6cd4e60 R08: 0000000000000000 R09: 0000000000000000
[   11.448751][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.449000][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa6cd55c0
| [   11.457514][  T236] ------------[ cut here ]------------
| [   11.458258][  T236] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/236
| [   11.458662][  T236] Modules linked in:
| [   11.459271][  T236] Tainted: [W]=WARN
[   11.459478][  T236] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.459761][  T236] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.460041][  T236] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.460664][  T236] RSP: 0018:ffa0000000aa71b0 EFLAGS: 00010286
[   11.460937][  T236] RAX: 00000000ffffffa6 RBX: ff1100000c25b540 RCX: 1ff4000000154dfc
[   11.461257][  T236] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c25b5fc
[   11.461562][  T236] RBP: ff110000092d9000 R08: 1fe220000184b6c1 R09: ff1100000fe55180
[   11.461876][  T236] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.462182][  T236] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa3203b20
[   11.462501][  T236] FS:  00007f1f4d7b2840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   11.462853][  T236] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.463123][  T236] CR2: 000000000042ebe0 CR3: 000000000e40f006 CR4: 0000000000771ef0
[   11.463448][  T236] PKRU: 55555554
[   11.463666][  T236] Call Trace:
[   11.463868][  T236]  <TASK>
[   11.464039][  T236]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.464289][  T236]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.464496][  T236]  __dev_notify_flags (net/core/dev.c:9787)
[   11.464747][  T236]  ? netif_change_name (net/core/dev.c:1495)
[   11.464989][  T236]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.465243][  T236]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.465485][  T236]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.465740][  T236]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.465979][  T236]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.466236][  T236]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.466474][  T236]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.466731][  T236]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.466975][  T236]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.467233][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.467471][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.467722][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.467959][  T236]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.468195][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.468453][  T236]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.468708][  T236]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.468946][  T236]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.469182][  T236]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.469432][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.469681][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.469921][  T236]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.470158][  T236]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.470401][  T236]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.470584][  T236]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.470781][  T236]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.470966][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.471146][  T236]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.471350][  T236]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.471536][  T236]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.471733][  T236]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.471918][  T236]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.472101][  T236]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.472312][  T236]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.472496][  T236]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.472693][  T236]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.472874][  T236]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.473086][  T236]  ? move_addr_to_kernel (net/socket.c:258)
[   11.473290][  T236]  ___sys_sendmsg (net/socket.c:2752)
[   11.473475][  T236]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.473676][  T236]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.473893][  T236]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.474077][  T236]  __sys_sendmsg (net/socket.c:2784)
[   11.474277][  T236]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.474464][  T236]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.474659][  T236]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.474846][  T236]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.475028][  T236]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.475213][  T236]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.475406][  T236]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.475633][  T236] RIP: 0033:0x7f1f4d9ec08e
[   11.475819][  T236] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.476375][  T236] RSP: 002b:00007fffa6cd4e50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.476638][  T236] RAX: ffffffffffffffda RBX: 00007fffa6cd5600 RCX: 00007f1f4d9ec08e
[   11.476883][  T236] RDX: 0000000000000000 RSI: 00007fffa6cd4f00 RDI: 0000000000000005
[   11.477128][  T236] RBP: 00007fffa6cd4e60 R08: 0000000000000000 R09: 0000000000000000
[   11.477408][  T236] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.477669][  T236] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa6cd55c0
| [   11.518659][  T237] ------------[ cut here ]------------
| [   11.518826][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   11.519062][  T237] Modules linked in:
| [   11.519497][  T237] Tainted: [W]=WARN
[   11.519608][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.519782][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.519961][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.520467][  T237] RSP: 0018:ffa0000000ab6e30 EFLAGS: 00010286
[   11.520646][  T237] RAX: 00000000ffffffa6 RBX: ff1100000af311c0 RCX: 1ff4000000156d8c
[   11.520849][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000af3127c
[   11.521052][  T237] RBP: ff1100000ffc1000 R08: 1fe22000015e6251 R09: ff1100000fe52e80
[   11.521264][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.521467][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000097e3190
[   11.521699][  T237] FS:  00007f8eab7b8840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.521939][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.522111][  T237] CR2: 000000000042ebe0 CR3: 000000000e86f005 CR4: 0000000000771ef0
[   11.522325][  T237] PKRU: 55555554
[   11.522426][  T237] Call Trace:
[   11.522528][  T237]  <TASK>
[   11.522604][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.522741][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.522881][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.522986][  T237]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.523124][  T237]  __dev_notify_flags (net/core/dev.c:9787)
[   11.523270][  T237]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.523406][  T237]  ? linkwatch_fire_event (./include/linux/netdevice.h:4482 ./include/linux/netdevice.h:4511 net/core/link_watch.c:131 net/core/link_watch.c:324)
[   11.523541][  T237]  ? netif_change_name (net/core/dev.c:1495)
[   11.523680][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.523824][  T237]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.523960][  T237]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.524096][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.524242][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.524379][  T237]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.524515][  T237]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.524657][  T237]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.524796][  T237]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.524934][  T237]  veth_newlink (drivers/net/veth.c:1871)
[   11.525070][  T237]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.525209][  T237]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.525350][  T237]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.525485][  T237]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.525923][  T237]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.526061][  T237]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.526205][  T237]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.526347][  T237]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.526485][  T237]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.526629][  T237]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.526769][  T237]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.526906][  T237]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.527042][  T237]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.527186][  T237]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.527338][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.527476][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.527619][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.527757][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.527894][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.528030][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.528170][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.528317][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.528454][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.528591][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.528733][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.528869][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.529006][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.529141][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.529287][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.529422][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.529559][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.529704][  T237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.529840][  T237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.529978][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.530115][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.530262][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.530402][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.530540][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.530702][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.530840][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.530999][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.531135][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.531312][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   11.531461][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   11.531602][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.531745][  T237]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.531919][  T237]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.532056][  T237]  __sys_sendmsg (net/socket.c:2784)
[   11.532193][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.532342][  T237]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.532480][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.532624][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.532760][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.532899][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.533037][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.533210][  T237] RIP: 0033:0x7f8eab9f208e
[   11.533360][  T237] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.533854][  T237] RSP: 002b:00007ffd416c1300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.534062][  T237] RAX: ffffffffffffffda RBX: 00007ffd416c1ab0 RCX: 00007f8eab9f208e
[   11.534278][  T237] RDX: 0000000000000000 RSI: 00007ffd416c13b0 RDI: 0000000000000005
[   11.534486][  T237] RBP: 00007ffd416c1310 R08: 0000000000000000 R09: 0000000000000000
[   11.534696][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.534901][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd416c1a70
| [   11.542651][  T237] ------------[ cut here ]------------
| [   11.542816][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/237
| [   11.543047][  T237] Modules linked in:
| [   11.543455][  T237] Tainted: [W]=WARN
[   11.543556][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.544272][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.544472][  T237] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.545020][  T237] RSP: 0018:ffa0000000ab71b0 EFLAGS: 00010286
[   11.545189][  T237] RAX: 00000000ffffffa6 RBX: ff11000011186040 RCX: 1ff4000000156dfc
[   11.545399][  T237] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111860fc
[   11.545658][  T237] RBP: ff1100000faa4000 R08: 1fe2200002230c21 R09: ff1100000fe52e80
[   11.545862][  T237] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   11.546061][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ffffffffa3203b20
[   11.546272][  T237] FS:  00007f8eab7b8840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.546566][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.546796][  T237] CR2: 000000000042ebe0 CR3: 000000000e86f005 CR4: 0000000000771ef0
[   11.546998][  T237] PKRU: 55555554
[   11.547099][  T237] Call Trace:
[   11.547205][  T237]  <TASK>
[   11.547281][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.547418][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.547521][  T237]  __dev_notify_flags (net/core/dev.c:9787)
[   11.547715][  T237]  ? netif_change_name (net/core/dev.c:1495)
[   11.547854][  T237]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.547988][  T237]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.548125][  T237]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.548271][  T237]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.548407][  T237]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.548543][  T237]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.548734][  T237]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.548876][  T237]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.549014][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.549152][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.549656][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.549810][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.549943][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.550077][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.550219][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.550359][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.550494][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.550688][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.550821][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.550955][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.551091][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.551235][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.551373][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.551506][  T237]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.551698][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.551836][  T237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.551971][  T237]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.552106][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.552250][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.552387][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.552522][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.552717][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.552852][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.552989][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.553124][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.553270][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.553435][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   11.553576][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   11.553767][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.553907][  T237]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.554078][  T237]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.554216][  T237]  __sys_sendmsg (net/socket.c:2784)
[   11.554356][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.554495][  T237]  ? fpregs_restore_userregs (./include/linux/instrumented.h:97 ./include/asm-generic/bitops/instrumented-atomic.h:41 ./include/linux/thread_info.h:109 arch/x86/kernel/fpu/context.h:79)
[   11.554690][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.554826][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.554960][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.555094][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.555236][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.555402][  T237] RIP: 0033:0x7f8eab9f208e
[   11.555544][  T237] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.556086][  T237] RSP: 002b:00007ffd416c1300 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.556298][  T237] RAX: ffffffffffffffda RBX: 00007ffd416c1ab0 RCX: 00007f8eab9f208e
[   11.556497][  T237] RDX: 0000000000000000 RSI: 00007ffd416c13b0 RDI: 0000000000000005
[   11.556758][  T237] RBP: 00007ffd416c1310 R08: 0000000000000000 R09: 0000000000000000
[   11.556957][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.557159][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd416c1a70
| [   11.589908][  T238] ------------[ cut here ]------------
| [   11.590098][  T238] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/238
| [   11.590397][  T238] Modules linked in:
| [   11.590876][  T238] Tainted: [W]=WARN
[   11.591024][  T238] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.591250][  T238] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.591469][  T238] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.591995][  T238] RSP: 0018:ffa0000000ac7038 EFLAGS: 00010286
[   11.592210][  T238] RAX: 00000000ffffffa6 RBX: ff11000011186c80 RCX: 1ff4000000158dcd
[   11.592465][  T238] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011186d3c
[   11.592720][  T238] RBP: ff110000092d9000 R08: 1fe2200002230da9 R09: ff1100000fe50b58
[   11.592963][  T238] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   11.593209][  T238] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   11.593466][  T238] FS:  00007fd3496c4840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   11.593842][  T238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.594130][  T238] CR2: 0000000001060988 CR3: 000000000e40f004 CR4: 0000000000771ef0
[   11.594485][  T238] PKRU: 55555554
[   11.594702][  T238] Call Trace:
[   11.594896][  T238]  <TASK>
[   11.595008][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.595186][  T238]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.595387][  T238]  notifier_call_chain (kernel/notifier.c:85)
[   11.595571][  T238]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.595768][  T238]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.596009][  T238]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.596200][  T238]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.596408][  T238]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.596590][  T238]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.596784][  T238]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.597004][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.597184][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.597377][  T238]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.597557][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.597748][  T238]  ? __kernel_text_address (kernel/extable.c:79)
[   11.597928][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.598110][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.598318][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.598500][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.598698][  T238]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.598877][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.599056][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.599249][  T238]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.599432][  T238]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.599637][  T238]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.599817][  T238]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.599998][  T238]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.600180][  T238]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.600376][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.600559][  T238]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.600752][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.600930][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.601128][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.601335][  T238]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.601515][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.601732][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.601911][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.602092][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.602292][  T238]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.602475][  T238]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.602672][  T238]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.602853][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.603036][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.603219][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.603411][  T238]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.603591][  T238]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.604005][  T238]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.604185][  T238]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.604382][  T238]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.604565][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.604776][  T238]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.604959][  T238]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.605141][  T238]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.605356][  T238]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.605550][  T238]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.605755][  T238]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.605941][  T238]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.606132][  T238]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.606347][  T238]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.606530][  T238]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.606761][  T238]  ? move_addr_to_kernel (net/socket.c:258)
[   11.606948][  T238]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.607132][  T238]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.607349][  T238]  ___sys_sendmsg (net/socket.c:2752)
[   11.607538][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.607772][  T238]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.607971][  T238]  __sys_sendmsg (net/socket.c:2784)
[   11.608156][  T238]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.608355][  T238]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.608576][  T238]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.608775][  T238]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.608965][  T238]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.609147][  T238]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.609350][  T238]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.609537][  T238]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.609766][  T238] RIP: 0033:0x7fd3498fe08e
[   11.609969][  T238] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.610505][  T238] RSP: 002b:00007ffca0d2f3b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.610766][  T238] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007fd3498fe08e
[   11.611011][  T238] RDX: 0000000000000000 RSI: 00007ffca0d2f460 RDI: 0000000000000005
[   11.611278][  T238] RBP: 00007ffca0d2f3c0 R08: 0000000000000000 R09: 0000000000000000
[   11.611527][  T238] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.611784][  T238] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffca0d2fb30
| [   11.644591][  T239] ------------[ cut here ]------------
| [   11.644786][  T239] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/239
| [   11.645018][  T239] Modules linked in:
| [   11.645399][  T239] Tainted: [W]=WARN
[   11.645513][  T239] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.645720][  T239] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.645896][  T239] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.646386][  T239] RSP: 0018:ffa0000000ad7038 EFLAGS: 00010286
[   11.646556][  T239] RAX: 00000000ffffffa6 RBX: ff11000011187700 RCX: 1ff400000015adcd
[   11.646763][  T239] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000111877bc
[   11.646965][  T239] RBP: ff11000008f9c000 R08: 1fe2200002230ef9 R09: ff1100000fe6d158
[   11.647166][  T239] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.647374][  T239] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   11.647577][  T239] FS:  00007f3734df2840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.648354][  T239] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.648547][  T239] CR2: 00007f37350c21a0 CR3: 000000000e452002 CR4: 0000000000771ef0
[   11.648748][  T239] PKRU: 55555554
[   11.648846][  T239] Call Trace:
[   11.648943][  T239]  <TASK>
[   11.649011][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.649141][  T239]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.649282][  T239]  notifier_call_chain (kernel/notifier.c:85)
[   11.649417][  T239]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.649551][  T239]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.649719][  T239]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.649849][  T239]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.649982][  T239]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.650116][  T239]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.650256][  T239]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.650442][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.650574][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.650709][  T239]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.650838][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.650967][  T239]  ? __kernel_text_address (kernel/extable.c:79)
[   11.651098][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.651241][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.651371][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.651511][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.651646][  T239]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.651776][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.651907][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.652037][  T239]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.652170][  T239]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.652309][  T239]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.652440][  T239]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.652574][  T239]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.652715][  T239]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.652849][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.652984][  T239]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.653118][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.653258][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.653387][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.653517][  T239]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.653652][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.653785][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.653915][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.654051][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.654180][  T239]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.654322][  T239]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.654469][  T239]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.654605][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.654736][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.654865][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.654997][  T239]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.655126][  T239]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.655269][  T239]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.655398][  T239]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.655529][  T239]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.655670][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.655799][  T239]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.655931][  T239]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.656063][  T239]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.656195][  T239]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.656334][  T239]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.656464][  T239]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.656601][  T239]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.656754][  T239]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.656891][  T239]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.657021][  T239]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.657181][  T239]  ? move_addr_to_kernel (net/socket.c:258)
[   11.657321][  T239]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.657451][  T239]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.657583][  T239]  ___sys_sendmsg (net/socket.c:2752)
[   11.657718][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.657880][  T239]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.658023][  T239]  __sys_sendmsg (net/socket.c:2784)
[   11.658152][  T239]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.658291][  T239]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.658455][  T239]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.658586][  T239]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.658723][  T239]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.658852][  T239]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.658999][  T239]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.659130][  T239]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.659302][  T239] RIP: 0033:0x7f373502c08e
[   11.659439][  T239] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.659910][  T239] RSP: 002b:00007ffd7e489ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.660107][  T239] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f373502c08e
[   11.660332][  T239] RDX: 0000000000000000 RSI: 00007ffd7e48a0a0 RDI: 0000000000000005
[   11.660528][  T239] RBP: 00007ffd7e48a000 R08: 0000000000000000 R09: 0000000000000000
[   11.660730][  T239] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.660924][  T239] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7e48a770
| [   11.685481][  T240] ------------[ cut here ]------------
| [   11.685671][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/240
| [   11.685945][  T240] Modules linked in:
| [   11.686468][  T240] Tainted: [W]=WARN
[   11.687076][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.687318][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.687549][  T240] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.688077][  T240] RSP: 0018:ffa0000000ae7038 EFLAGS: 00010286
[   11.688328][  T240] RAX: 00000000ffffffa6 RBX: ff11000011162ac0 RCX: 1ff400000015cdcd
[   11.688571][  T240] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011162b7c
[   11.688828][  T240] RBP: ff1100000faa4000 R08: 1fe220000222c571 R09: ff1100000fe6ae58
[   11.689073][  T240] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   11.689339][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000002
[   11.689586][  T240] FS:  00007f108cc80840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   11.689879][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.690091][  T240] CR2: 00007f108cf501a0 CR3: 000000000d325006 CR4: 0000000000771ef0
[   11.690369][  T240] PKRU: 55555554
[   11.690520][  T240] Call Trace:
[   11.690682][  T240]  <TASK>
[   11.690798][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.690977][  T240]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.691160][  T240]  notifier_call_chain (kernel/notifier.c:85)
[   11.691375][  T240]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.691558][  T240]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.691782][  T240]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.691968][  T240]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.692150][  T240]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.692352][  T240]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.692533][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.692760][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.692940][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.693119][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.693333][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.693516][  T240]  ? __kernel_text_address (kernel/extable.c:79)
[   11.693710][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.693893][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.694071][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.694274][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.694459][  T240]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.694651][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.694832][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.695014][  T240]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.695197][  T240]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.695393][  T240]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.695574][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.695770][  T240]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.695950][  T240]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.696137][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.696352][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.696535][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.696729][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.696910][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.697090][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.697300][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.697485][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.697680][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.697861][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.698041][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.698234][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.698417][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.698612][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.698791][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.698973][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.699155][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.699353][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.699537][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.699730][  T240]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.699911][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.700095][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.700294][  T240]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.700481][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.700678][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.700858][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.701039][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.701233][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.701415][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.701611][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.701791][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.701973][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.702184][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   11.702383][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.702564][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.702756][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   11.702937][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.703150][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.703378][  T240]  __sys_sendmsg (net/socket.c:2784)
[   11.703559][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.703750][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.703965][  T240]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.704145][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.704355][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.704534][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.704731][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.704914][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.705123][  T240] RIP: 0033:0x7f108ceba08e
[   11.705338][  T240] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.705869][  T240] RSP: 002b:00007fff34729c00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.706117][  T240] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f108ceba08e
[   11.706389][  T240] RDX: 0000000000000000 RSI: 00007fff34729cb0 RDI: 0000000000000005
[   11.706645][  T240] RBP: 00007fff34729c10 R08: 0000000000000000 R09: 0000000000000000
[   11.706890][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.707132][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff3472a380
| [   11.743619][  T241] ------------[ cut here ]------------
| [   11.743754][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/241
| [   11.743983][  T241] Modules linked in:
| [   11.744357][  T241] Tainted: [W]=WARN
[   11.744455][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.744696][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.744865][  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
[   11.745337][  T241] RSP: 0018:ffa0000000af7038 EFLAGS: 00010286
[   11.745499][  T241] RAX: 00000000ffffffa6 RBX: ff11000011163e00 RCX: 1ff400000015edcd
[   11.745701][  T241] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000011163ebc
[   11.745898][  T241] RBP: ff1100000ffc1000 R08: 1fe220000222c7d9 R09: ff1100000fe68b58
[   11.746093][  T241] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.746299][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000003
[   11.746493][  T241] FS:  00007f7140e07840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.746725][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.746886][  T241] CR2: 000000003a53f988 CR3: 000000000e9be004 CR4: 0000000000771ef0
[   11.747081][  T241] PKRU: 55555554
[   11.747177][  T241] Call Trace:
[   11.747282][  T241]  <TASK>
[   11.747348][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.747479][  T241]  rtnetlink_event (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4541 net/core/rtnetlink.c:7121)
[   11.747614][  T241]  notifier_call_chain (kernel/notifier.c:85)
[   11.747747][  T241]  netif_change_name (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:1509)
[   11.747879][  T241]  ? netdev_adjacent_rename_links (net/core/dev.c:9538)
[   11.748044][  T241]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.748177][  T241]  ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[   11.748320][  T241]  do_setlink.isra.0 (net/core/rtnetlink.c:3186)
[   11.748453][  T241]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.748585][  T241]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.748754][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.748883][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.749012][  T241]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.749142][  T241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.749280][  T241]  ? __kernel_text_address (kernel/extable.c:79)
[   11.749410][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.749541][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.749676][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.749806][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.749936][  T241]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.750067][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.750199][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.750335][  T241]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.750465][  T241]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.750602][  T241]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.750734][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.750865][  T241]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.750994][  T241]  ? nla_get_range_signed (lib/nlattr.c:270)
[   11.751129][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.751273][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.751404][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.751534][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.751670][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.751800][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.751929][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.752064][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.752197][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.752333][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.752463][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.752595][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.752733][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.752863][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.752993][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.753123][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.753266][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.753394][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.753525][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.753661][  T241]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.753793][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.753926][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.754055][  T241]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.754189][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.754331][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.754461][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.754592][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.754729][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.754859][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.754991][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.755122][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.755262][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.755423][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.755553][  T241]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.755688][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.755818][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   11.755949][  T241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.756111][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.756261][  T241]  __sys_sendmsg (net/socket.c:2784)
[   11.756391][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.756520][  T241]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.756689][  T241]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.756819][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.756951][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.757082][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.757212][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.757347][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.757506][  T241] RIP: 0033:0x7f714104108e
[   11.757648][  T241] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.758113][  T241] RSP: 002b:00007ffe91f0b800 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.758316][  T241] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007f714104108e
[   11.758509][  T241] RDX: 0000000000000000 RSI: 00007ffe91f0b8b0 RDI: 0000000000000005
[   11.758708][  T241] RBP: 00007ffe91f0b810 R08: 0000000000000000 R09: 0000000000000000
[   11.758902][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.759096][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe91f0bf80
| [   11.855078][  T244] ------------[ cut here ]------------
| [   11.855253][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/244
| [   11.855485][  T244] Modules linked in:
| [   11.855865][  T244] Tainted: [W]=WARN
[   11.855965][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.856133][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.856319][  T244] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.856795][  T244] RSP: 0018:ffa0000000b27020 EFLAGS: 00010286
[   11.856963][  T244] RAX: 00000000ffffffa6 RBX: ff1100000cfe4900 RCX: 1ff4000000164dca
[   11.857163][  T244] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cfe49bc
[   11.857371][  T244] RBP: ff110000092d9000 R08: 1fe22000019fc939 R09: ff1100000fa50b58
[   11.857568][  T244] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.857772][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   11.857971][  T244] FS:  00007fe3616ad840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   11.858208][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.858379][  T244] CR2: 000000002e350988 CR3: 000000000ea2f003 CR4: 0000000000771ef0
[   11.858580][  T244] PKRU: 55555554
[   11.858685][  T244] Call Trace:
[   11.858784][  T244]  <TASK>
[   11.858853][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.858987][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.859087][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.859232][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   11.859366][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   11.859499][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.859640][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   11.859771][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.859903][  T244]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.860036][  T244]  netif_change_flags (net/core/dev.c:9820)
[   11.860169][  T244]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   11.860310][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.860447][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.860579][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.860749][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.860880][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.861010][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.861141][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.861283][  T244]  ? __kernel_text_address (kernel/extable.c:79)
[   11.861415][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.861551][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.861715][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.861858][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.861990][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.862120][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.862261][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.862394][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.862526][  T244]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.862732][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.862866][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.862999][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.863133][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.863278][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.863412][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.863544][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.863777][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.863909][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.864040][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.864173][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.864315][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.864448][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.864584][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.864795][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.864929][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.865062][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.865196][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.865338][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.865472][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.865680][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.865815][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.865947][  T244]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   11.866079][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.866217][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.866354][  T244]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.866488][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.866699][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.866833][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.866966][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.867100][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.867242][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.867377][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.867509][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.867667][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.867831][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.867966][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.868099][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.868241][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.868372][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.868537][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.868689][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.868822][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.868955][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.869122][  T244]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.869267][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.869400][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.869531][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.869672][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.869804][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.869970][  T244] RIP: 0033:0x7fe3618e708e
[   11.870107][  T244] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.870583][  T244] RSP: 002b:00007ffdce4eed50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.870788][  T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fe3618e708e
[   11.870985][  T244] RDX: 0000000000000000 RSI: 00007ffdce4eee00 RDI: 0000000000000005
[   11.871180][  T244] RBP: 00007ffdce4eed60 R08: 0000000000000000 R09: 0000000000000000
[   11.871387][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   11.871585][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdce4ef4d0
| [   12.009169][  T249] ------------[ cut here ]------------
| [   12.009385][  T249] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/249
| [   12.009684][  T249] Modules linked in:
| [   12.010155][  T249] Tainted: [W]=WARN
[   12.010329][  T249] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.010546][  T249] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.010798][  T249] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.011350][  T249] RSP: 0018:ffa0000000b67020 EFLAGS: 00010286
[   12.011569][  T249] RAX: 00000000ffffffa6 RBX: ff1100000df51a80 RCX: 1ff400000016cdca
[   12.011933][  T249] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df51b3c
[   12.012257][  T249] RBP: ff11000008f9c000 R08: 1fe2200001bea369 R09: ff1100000e8f0b58
[   12.012567][  T249] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.012923][  T249] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.013169][  T249] FS:  00007f26b260f840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   12.013490][  T249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.013727][  T249] CR2: 00000000168e2988 CR3: 00000000095e1003 CR4: 0000000000771ef0
[   12.013980][  T249] PKRU: 55555554
[   12.014128][  T249] Call Trace:
[   12.014304][  T249]  <TASK>
[   12.014423][  T249]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.014622][  T249]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.014775][  T249]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.014958][  T249]  __dev_notify_flags (net/core/dev.c:9787)
[   12.015148][  T249]  ? netif_change_name (net/core/dev.c:1495)
[   12.015364][  T249]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.015550][  T249]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.015748][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.015933][  T249]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.016120][  T249]  netif_change_flags (net/core/dev.c:9820)
[   12.016340][  T249]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.016525][  T249]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.016725][  T249]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.016910][  T249]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.017127][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.017327][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.017511][  T249]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.017713][  T249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.017898][  T249]  ? __kernel_text_address (kernel/extable.c:79)
[   12.018083][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.018290][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.018476][  T249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.018675][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.018859][  T249]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.019046][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.019240][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.019427][  T249]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.019625][  T249]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.019808][  T249]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.019994][  T249]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.020180][  T249]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.020395][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.020586][  T249]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.020787][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.020971][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.021156][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.021359][  T249]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.021544][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.021747][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.021936][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.022121][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.022336][  T249]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.022522][  T249]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.022719][  T249]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.022905][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.023088][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.023298][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.023489][  T249]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.023684][  T249]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.023870][  T249]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.024054][  T249]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.024252][  T249]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.024442][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.024637][  T249]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.024823][  T249]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.025009][  T249]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.025194][  T249]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.025394][  T249]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.025580][  T249]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.025779][  T249]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.025964][  T249]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.026148][  T249]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.026357][  T249]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.026574][  T249]  ? move_addr_to_kernel (net/socket.c:258)
[   12.026774][  T249]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.026958][  T249]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.027143][  T249]  ___sys_sendmsg (net/socket.c:2752)
[   12.027354][  T249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.027570][  T249]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.027784][  T249]  __sys_sendmsg (net/socket.c:2784)
[   12.027969][  T249]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.028150][  T249]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.028400][  T249]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.028585][  T249]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.028787][  T249]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.028971][  T249]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.029153][  T249]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.029376][  T249]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.029591][  T249] RIP: 0033:0x7f26b284908e
[   12.029795][  T249] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.030349][  T249] RSP: 002b:00007ffc27a700e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.030618][  T249] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f26b284908e
[   12.030866][  T249] RDX: 0000000000000000 RSI: 00007ffc27a70190 RDI: 0000000000000005
[   12.031114][  T249] RBP: 00007ffc27a700f0 R08: 0000000000000000 R09: 0000000000000000
[   12.031381][  T249] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf06
[   12.031649][  T249] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc27a70860
| [   12.034463][   T38] ------------[ cut here ]------------
| [   12.034632][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/38
| [   12.034875][   T38] Modules linked in:
| [   12.035266][   T38] Tainted: [W]=WARN
[   12.035360][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.035516][   T38] Workqueue: events_unbound linkwatch_event
[   12.035682][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.035842][   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
[   12.036293][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   12.036450][   T38] RAX: 00000000ffffffa6 RBX: ff1100000df50200 RCX: 1ff4000000055f02
[   12.036774][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df502bc
[   12.036959][   T38] RBP: ff110000092d9000 R08: 1fe2200001bea059 R09: ff11000001da2ea8
[   12.037144][   T38] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.037343][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.037532][   T38] FS:  0000000000000000(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   12.037761][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.037917][   T38] CR2: 00005650beebed5c CR3: 0000000009fdc004 CR4: 0000000000771ef0
[   12.038105][   T38] PKRU: 55555554
[   12.038203][   T38] Call Trace:
[   12.038304][   T38]  <TASK>
[   12.038369][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.038496][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.038629][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.038724][   T38]  netif_state_change (net/core/dev.c:1605)
[   12.038856][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.039011][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.039136][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.039271][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.039397][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.039519][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.039648][   T38]  process_one_work (kernel/workqueue.c:3314)
[   12.039777][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.039899][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.040027][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.040155][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.040288][   T38]  kthread (kernel/kthread.c:436)
[   12.040381][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.040532][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.040663][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.040788][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.040942][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.041066][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.041189][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.062666][  T250] ------------[ cut here ]------------
| [   12.062855][  T250] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/250
| [   12.063135][  T250] Modules linked in:
| [   12.064308][  T250] Tainted: [W]=WARN
[   12.064454][  T250] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.064685][  T250] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.064906][  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
[   12.065455][  T250] RSP: 0018:ffa0000000b77020 EFLAGS: 00010286
[   12.065682][  T250] RAX: 00000000ffffffa6 RBX: ff1100000ce5ba80 RCX: 1ff400000016edca
[   12.065927][  T250] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce5bb3c
[   12.066173][  T250] RBP: ff1100000faa4000 R08: 1fe22000019cb769 R09: ff1100000e8f2e58
[   12.066433][  T250] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.066688][  T250] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.066933][  T250] FS:  00007fc4c5c34840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   12.067218][  T250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.067453][  T250] CR2: 000000002aaea988 CR3: 0000000004b65006 CR4: 0000000000771ef0
[   12.067715][  T250] PKRU: 55555554
[   12.067861][  T250] Call Trace:
[   12.068007][  T250]  <TASK>
[   12.068123][  T250]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.068329][  T250]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.068482][  T250]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.068677][  T250]  __dev_notify_flags (net/core/dev.c:9787)
[   12.068861][  T250]  ? netif_change_name (net/core/dev.c:1495)
[   12.069041][  T250]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.069234][  T250]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.069425][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.069624][  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))
[   12.069812][  T250]  netif_change_flags (net/core/dev.c:9820)
[   12.069994][  T250]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.070174][  T250]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.070387][  T250]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.070570][  T250]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.070800][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.070980][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.071163][  T250]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.071372][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.071553][  T250]  ? __kernel_text_address (kernel/extable.c:79)
[   12.071748][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.071934][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.072114][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.072326][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.072512][  T250]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.072706][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.072886][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.073078][  T250]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.073289][  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)
[   12.073474][  T250]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.073671][  T250]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.073854][  T250]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.074041][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.074240][  T250]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.074430][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.074622][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.074804][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.074984][  T250]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.075164][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.075364][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.075550][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.075749][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.075930][  T250]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.076112][  T250]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.076322][  T250]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.076502][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.076696][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.076881][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.077064][  T250]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.077259][  T250]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.077442][  T250]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.077635][  T250]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.077818][  T250]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.078002][  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))
[   12.078186][  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))
[   12.078397][  T250]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.078580][  T250]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.078774][  T250]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.078957][  T250]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.079139][  T250]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.079341][  T250]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.079523][  T250]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.079719][  T250]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.079901][  T250]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.080113][  T250]  ? move_addr_to_kernel (net/socket.c:258)
[   12.080323][  T250]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.080504][  T250]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.080703][  T250]  ___sys_sendmsg (net/socket.c:2752)
[   12.080882][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.081097][  T250]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.081308][  T250]  __sys_sendmsg (net/socket.c:2784)
[   12.081490][  T250]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.081682][  T250]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.081901][  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)
[   12.082082][  T250]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.082279][  T250]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.082460][  T250]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.082656][  T250]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.082838][  T250]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.083052][  T250] RIP: 0033:0x7fc4c5e6e08e
[   12.083254][  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
[   12.083795][  T250] RSP: 002b:00007ffcfe37a630 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.084045][  T250] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc4c5e6e08e
[   12.084319][  T250] RDX: 0000000000000000 RSI: 00007ffcfe37a6e0 RDI: 0000000000000005
[   12.084563][  T250] RBP: 00007ffcfe37a640 R08: 0000000000000000 R09: 0000000000000000
[   12.084821][  T250] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf07
[   12.085065][  T250] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcfe37adb0
| [   12.165031][   T38] ------------[ cut here ]------------
| [   12.165225][   T38] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/38
| [   12.165532][   T38] Modules linked in:
| [   12.166028][   T38] Tainted: [W]=WARN
[   12.166168][   T38] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.166395][   T38] Workqueue: events_unbound linkwatch_event
[   12.166618][   T38] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.166828][   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
[   12.167680][   T38] RSP: 0018:ffa00000002af9e0 EFLAGS: 00010286
[   12.167884][   T38] RAX: 00000000ffffffa6 RBX: ff1100000df58ac0 RCX: 1ff4000000055f02
[   12.168119][   T38] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000df58b7c
[   12.168395][   T38] RBP: ff11000008f9c000 R08: 1fe2200001beb171 R09: ff11000001da2ea8
[   12.168650][   T38] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.168885][   T38] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.169121][   T38] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   12.169418][   T38] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.169654][   T38] CR2: 00007f4026fff574 CR3: 000000002974d004 CR4: 0000000000771ef0
[   12.169923][   T38] PKRU: 55555554
[   12.170062][   T38] Call Trace:
[   12.170203][   T38]  <TASK>
[   12.170332][   T38]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.170502][   T38]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.170686][   T38]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.170827][   T38]  netif_state_change (net/core/dev.c:1605)
[   12.170996][   T38]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.171194][   T38]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.171384][   T38]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.171555][   T38]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.171745][   T38]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.171915][   T38]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.172092][   T38]  process_one_work (kernel/workqueue.c:3314)
[   12.172298][   T38]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.172473][   T38]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.172669][   T38]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.172848][   T38]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.173021][   T38]  kthread (kernel/kthread.c:436)
[   12.173162][   T38]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.173395][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.173571][   T38]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.173761][   T38]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.173967][   T38]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.174142][   T38]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.174347][   T38]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.178122][  T253] ------------[ cut here ]------------
| [   12.178285][  T253] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/253
| [   12.178523][  T253] Modules linked in:
| [   12.178913][  T253] Tainted: [W]=WARN
[   12.179018][  T253] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.179190][  T253] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.179379][  T253] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.179874][  T253] RSP: 0018:ffa0000000ba7020 EFLAGS: 00010286
[   12.180049][  T253] RAX: 00000000ffffffa6 RBX: ff1100000b7de200 RCX: 1ff4000000174dca
[   12.180263][  T253] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b7de2bc
[   12.180466][  T253] RBP: ff1100000ffc1000 R08: 1fe22000016fbc59 R09: ff1100000e732e58
[   12.180675][  T253] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.180883][  T253] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   12.181087][  T253] FS:  00007fa6067df840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   12.181339][  T253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.181509][  T253] CR2: 000000003a45a988 CR3: 000000000dfec006 CR4: 0000000000771ef0
[   12.181738][  T253] PKRU: 55555554
[   12.181838][  T253] Call Trace:
[   12.181936][  T253]  <TASK>
[   12.182005][  T253]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.182138][  T253]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.182248][  T253]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.182383][  T253]  __dev_notify_flags (net/core/dev.c:9787)
[   12.182515][  T253]  ? netif_change_name (net/core/dev.c:1495)
[   12.182653][  T253]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.182787][  T253]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   12.182919][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.183051][  T253]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.183184][  T253]  netif_change_flags (net/core/dev.c:9820)
[   12.183328][  T253]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   12.183460][  T253]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.183600][  T253]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.183737][  T253]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.183902][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.184034][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.184166][  T253]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.184337][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.184491][  T253]  ? __kernel_text_address (kernel/extable.c:79)
[   12.184631][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.184765][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.184897][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.185029][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.185162][  T253]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.185303][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.185437][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.185570][  T253]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.185730][  T253]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.185863][  T253]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.185995][  T253]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.186129][  T253]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.186273][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.186413][  T253]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.186547][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.186684][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.186818][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.186951][  T253]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.187083][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.187224][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.187363][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.187495][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.187634][  T253]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.187768][  T253]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.187901][  T253]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.188033][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.188166][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.188323][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.188460][  T253]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.188592][  T253]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.188732][  T253]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.188867][  T253]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   12.189001][  T253]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.189137][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.189276][  T253]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.189411][  T253]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.189547][  T253]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.189685][  T253]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.189820][  T253]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.189976][  T253]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.190110][  T253]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.190252][  T253]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.190384][  T253]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.190515][  T253]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.190685][  T253]  ? move_addr_to_kernel (net/socket.c:258)
[   12.190820][  T253]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.190952][  T253]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.191114][  T253]  ___sys_sendmsg (net/socket.c:2752)
[   12.191255][  T253]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.191421][  T253]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.191565][  T253]  __sys_sendmsg (net/socket.c:2784)
[   12.191723][  T253]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.191853][  T253]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.192022][  T253]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.192156][  T253]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.192301][  T253]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.192434][  T253]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.192567][  T253]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.192707][  T253]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.192868][  T253] RIP: 0033:0x7fa606a1908e
[   12.193019][  T253] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.193513][  T253] RSP: 002b:00007ffc43cf4ce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.193719][  T253] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa606a1908e
[   12.193917][  T253] RDX: 0000000000000000 RSI: 00007ffc43cf4d90 RDI: 0000000000000005
[   12.194112][  T253] RBP: 00007ffc43cf4cf0 R08: 0000000000000000 R09: 0000000000000000
[   12.194315][  T253] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf07
[   12.194514][  T253] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc43cf5460
| [   12.197160][   T70] ------------[ cut here ]------------
| [   12.197313][   T70] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/70
| [   12.197578][   T70] Modules linked in:
| [   12.197978][   T70] Tainted: [W]=WARN
[   12.198081][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.198243][   T70] Workqueue: events_unbound linkwatch_event
[   12.198402][   T70] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.198579][   T70] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.199036][   T70] RSP: 0018:ffa00000004b79e0 EFLAGS: 00010286
[   12.199189][   T70] RAX: 00000000ffffffa6 RBX: ff110000057c38c0 RCX: 1ff4000000096f02
[   12.199381][   T70] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057c397c
[   12.199562][   T70] RBP: ff1100000ffc1000 R08: 1fe2200000af8731 R09: ff11000009228ba8
[   12.199769][   T70] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.199950][   T70] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.200144][   T70] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   12.200379][   T70] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.200554][   T70] CR2: 00005650d4650a98 CR3: 000000002974d006 CR4: 0000000000771ef0
[   12.200747][   T70] PKRU: 55555554
[   12.200839][   T70] Call Trace:
[   12.200930][   T70]  <TASK>
[   12.200993][   T70]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.201117][   T70]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.201254][   T70]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.201346][   T70]  netif_state_change (net/core/dev.c:1605)
[   12.201471][   T70]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.201628][   T70]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.201748][   T70]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.201869][   T70]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.201995][   T70]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.202115][   T70]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.202244][   T70]  process_one_work (kernel/workqueue.c:3314)
[   12.202369][   T70]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.202493][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.202624][   T70]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.202750][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.202870][   T70]  kthread (kernel/kthread.c:436)
[   12.202962][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.203118][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.203244][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.203370][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.203520][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.203647][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.203770][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.206391][   T70] ------------[ cut here ]------------
| [   12.206532][   T70] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 1/70
| [   12.206943][   T70] Modules linked in:
| [   12.207374][   T70] Tainted: [W]=WARN
[   12.207465][   T70] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.207640][   T70] Workqueue: events_unbound linkwatch_event
[   12.207843][   T70] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.208016][   T70] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.208522][   T70] RSP: 0018:ffa00000004b79e0 EFLAGS: 00010286
[   12.208684][   T70] RAX: 00000000ffffffa6 RBX: ff110000057c3700 RCX: 1ff4000000096f02
[   12.208866][   T70] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000057c37bc
[   12.209045][   T70] RBP: ff1100000faa4000 R08: 1fe2200000af86f9 R09: ff11000009228ba8
[   12.209249][   T70] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.209443][   T70] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.209634][   T70] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   12.209848][   T70] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.210001][   T70] CR2: 00005650d4650a98 CR3: 000000002974d006 CR4: 0000000000771ef0
[   12.210190][   T70] PKRU: 55555554
[   12.210293][   T70] Call Trace:
[   12.210387][   T70]  <TASK>
[   12.210452][   T70]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.210613][   T70]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.210734][   T70]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.210827][   T70]  netif_state_change (net/core/dev.c:1605)
[   12.210947][   T70]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.211097][   T70]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.211222][   T70]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.211349][   T70]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.211471][   T70]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.211594][   T70]  ? __linkwatch_run_queue (net/core/link_watch.c:213)
[   12.211723][   T70]  process_one_work (kernel/workqueue.c:3314)
[   12.211846][   T70]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.211970][   T70]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.212093][   T70]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.212221][   T70]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.212346][   T70]  kthread (kernel/kthread.c:436)
[   12.212438][   T70]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.212586][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.212713][   T70]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.212833][   T70]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.212982][   T70]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.213103][   T70]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.213241][   T70]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   51.358164][ T1200] ------------[ cut here ]------------
| [   51.358359][ T1200] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1200
| [   51.358654][ T1200] Modules linked in:
| [   51.359045][ T1200] Tainted: [W]=WARN
[   51.359148][ T1200] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.359318][ T1200] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.359500][ T1200] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.359996][ T1200] RSP: 0018:ffa0000003e77020 EFLAGS: 00010286
[   51.360164][ T1200] RAX: 00000000ffffffa6 RBX: ff11000009454ac0 RCX: 1ff40000007cedca
[   51.360367][ T1200] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009454b7c
[   51.360578][ T1200] RBP: ff11000009ce4000 R08: 1fe220000128a971 R09: ff1100000b425158
[   51.360787][ T1200] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   51.360992][ T1200] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.361197][ T1200] FS:  00007fce7aab8840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   51.361436][ T1200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.361615][ T1200] CR2: 000000000d786988 CR3: 000000000fd86001 CR4: 0000000000771ef0
[   51.361823][ T1200] PKRU: 55555554
[   51.361925][ T1200] Call Trace:
[   51.362030][ T1200]  <TASK>
[   51.362101][ T1200]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.362239][ T1200]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.362345][ T1200]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.362487][ T1200]  __dev_notify_flags (net/core/dev.c:9787)
[   51.362630][ T1200]  ? netif_change_name (net/core/dev.c:1495)
[   51.362764][ T1200]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.362898][ T1200]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.363038][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.363175][ T1200]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.363313][ T1200]  netif_change_flags (net/core/dev.c:9820)
[   51.363453][ T1200]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.363586][ T1200]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.363728][ T1200]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.363866][ T1200]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.364039][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.364172][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.364306][ T1200]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.364468][ T1200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.364611][ T1200]  ? __kernel_text_address (kernel/extable.c:79)
[   51.364748][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.364885][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.365023][ T1200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.365157][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.365290][ T1200]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.365429][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.365562][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.365702][ T1200]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.365839][ T1200]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.365979][ T1200]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.366114][ T1200]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.366248][ T1200]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.366391][ T1200]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.366561][ T1200]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.366703][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.366835][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.366977][ T1200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.367110][ T1200]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.367243][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.367378][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.367519][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.367658][ T1200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.367793][ T1200]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.367927][ T1200]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.368068][ T1200]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.368202][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.368334][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.368471][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.368612][ T1200]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.368747][ T1200]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.368881][ T1200]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.369022][ T1200]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.369157][ T1200]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.369293][ T1200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.369431][ T1200]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.369566][ T1200]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.369714][ T1200]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.369847][ T1200]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.369984][ T1200]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.370121][ T1200]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.370255][ T1200]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.370430][ T1200]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.370564][ T1200]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.370704][ T1200]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.370867][ T1200]  ? move_addr_to_kernel (net/socket.c:258)
[   51.371007][ T1200]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.371141][ T1200]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.371274][ T1200]  ___sys_sendmsg (net/socket.c:2752)
[   51.371406][ T1200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.371577][ T1200]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.371729][ T1200]  __sys_sendmsg (net/socket.c:2784)
[   51.371868][ T1200]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.372005][ T1200]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.372174][ T1200]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.372308][ T1200]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.372447][ T1200]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.372582][ T1200]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.372724][ T1200]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.372857][ T1200]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.373028][ T1200] RIP: 0033:0x7fce7acf208e
[   51.373170][ T1200] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.373652][ T1200] RSP: 002b:00007fff84614d70 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.373853][ T1200] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fce7acf208e
[   51.374057][ T1200] RDX: 0000000000000000 RSI: 00007fff84614e20 RDI: 0000000000000005
[   51.374255][ T1200] RBP: 00007fff84614d80 R08: 0000000000000000 R09: 0000000000000000
[   51.374469][ T1200] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.374674][ T1200] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff846154f0
| [   51.490487][ T1202] ------------[ cut here ]------------
| [   51.490669][ T1202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1202
| [   51.490942][ T1202] Modules linked in:
| [   51.491331][ T1202] Tainted: [W]=WARN
[   51.491438][ T1202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.491611][ T1202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.491787][ T1202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.492268][ T1202] RSP: 0018:ffa0000003e97020 EFLAGS: 00010286
[   51.492442][ T1202] RAX: 00000000ffffffa6 RBX: ff1100000ce5a040 RCX: 1ff40000007d2dca
[   51.492648][ T1202] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce5a0fc
[   51.492848][ T1202] RBP: ff11000009ce4000 R08: 1fe22000019cb421 R09: ff1100000e6ed158
[   51.493051][ T1202] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   51.493250][ T1202] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.493459][ T1202] FS:  00007f7142735840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   51.493699][ T1202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.493866][ T1202] CR2: 000000000c002988 CR3: 000000000b889003 CR4: 0000000000771ef0
[   51.494075][ T1202] PKRU: 55555554
[   51.494175][ T1202] Call Trace:
[   51.494276][ T1202]  <TASK>
[   51.494347][ T1202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.494490][ T1202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.494592][ T1202]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.494734][ T1202]  __dev_notify_flags (net/core/dev.c:9787)
[   51.494870][ T1202]  ? netif_change_name (net/core/dev.c:1495)
[   51.495010][ T1202]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   51.495169][ T1202]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.495310][ T1202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.495449][ T1202]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.495586][ T1202]  netif_change_flags (net/core/dev.c:9820)
[   51.495729][ T1202]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.495862][ T1202]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.496005][ T1202]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.496141][ T1202]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.496309][ T1202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.496448][ T1202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.496580][ T1202]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.496718][ T1202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.496851][ T1202]  ? __kernel_text_address (kernel/extable.c:79)
[   51.496991][ T1202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.497127][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.497260][ T1202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.497395][ T1202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.497533][ T1202]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.498084][ T1202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.498219][ T1202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.498352][ T1202]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.498491][ T1202]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.498632][ T1202]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.498766][ T1202]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.498901][ T1202]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.499042][ T1202]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.499179][ T1202]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.499316][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.499454][ T1202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.499587][ T1202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.499727][ T1202]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.499861][ T1202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.500003][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.500138][ T1202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.500272][ T1202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.500405][ T1202]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.500545][ T1202]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.500686][ T1202]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.500820][ T1202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.500954][ T1202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.501094][ T1202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.501230][ T1202]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.501363][ T1202]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.501502][ T1202]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.501641][ T1202]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.501778][ T1202]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.501917][ T1202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.502057][ T1202]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.502194][ T1202]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.502331][ T1202]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.502470][ T1202]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.502611][ T1202]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.502747][ T1202]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.502885][ T1202]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.503030][ T1202]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.503166][ T1202]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.503300][ T1202]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.503473][ T1202]  ? move_addr_to_kernel (net/socket.c:258)
[   51.503615][ T1202]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.503750][ T1202]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.503887][ T1202]  ___sys_sendmsg (net/socket.c:2752)
[   51.504027][ T1202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.504193][ T1202]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.504342][ T1202]  __sys_sendmsg (net/socket.c:2784)
[   51.504482][ T1202]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.504620][ T1202]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.504790][ T1202]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.504926][ T1202]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.505066][ T1202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.505202][ T1202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.505335][ T1202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.505476][ T1202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.505647][ T1202] RIP: 0033:0x7f714296f08e
[   51.505790][ T1202] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.506275][ T1202] RSP: 002b:00007ffc25cf9700 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.506483][ T1202] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f714296f08e
[   51.506688][ T1202] RDX: 0000000000000000 RSI: 00007ffc25cf97b0 RDI: 0000000000000005
[   51.506890][ T1202] RBP: 00007ffc25cf9710 R08: 0000000000000000 R09: 0000000000000000
[   51.507112][ T1202] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.507314][ T1202] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc25cf9e80
| [   51.545693][ T1203] ------------[ cut here ]------------
| [   51.545905][ T1203] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1203
| [   51.546236][ T1203] Modules linked in:
| [   51.547131][ T1203] Tainted: [W]=WARN
[   51.547279][ T1203] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.547534][ T1203] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.547774][ T1203] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.548307][ T1203] RSP: 0018:ffa0000003ea7020 EFLAGS: 00010286
[   51.548536][ T1203] RAX: 00000000ffffffa6 RBX: ff1100000de5eac0 RCX: 1ff40000007d4dca
[   51.548795][ T1203] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de5eb7c
[   51.549052][ T1203] RBP: ff11000009ce4000 R08: 1fe2200001bcbd71 R09: ff1100000e6e8b58
[   51.549296][ T1203] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   51.549551][ T1203] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.549814][ T1203] FS:  00007fa3b2c48840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   51.550109][ T1203] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.550324][ T1203] CR2: 0000000032760988 CR3: 000000000fd5e004 CR4: 0000000000771ef0
[   51.550581][ T1203] PKRU: 55555554
[   51.550742][ T1203] Call Trace:
[   51.550891][ T1203]  <TASK>
[   51.551016][ T1203]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.551201][ T1203]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.551350][ T1203]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.551540][ T1203]  __dev_notify_flags (net/core/dev.c:9787)
[   51.551742][ T1203]  ? netif_change_name (net/core/dev.c:1495)
[   51.551924][ T1203]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.552117][ T1203]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.552299][ T1203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.552491][ T1203]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.552686][ T1203]  netif_change_flags (net/core/dev.c:9820)
[   51.552870][ T1203]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.553064][ T1203]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.553259][ T1203]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.553453][ T1203]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.553682][ T1203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.553864][ T1203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.554056][ T1203]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.554236][ T1203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.554427][ T1203]  ? __kernel_text_address (kernel/extable.c:79)
[   51.554626][ T1203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.554814][ T1203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.555001][ T1203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.555185][ T1203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.555367][ T1203]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.555557][ T1203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.555751][ T1203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.555934][ T1203]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.556129][ T1203]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.556310][ T1203]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.556500][ T1203]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.556698][ T1203]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.556883][ T1203]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.557080][ T1203]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.557264][ T1203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.557451][ T1203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.557651][ T1203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.557832][ T1203]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.558021][ T1203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.558205][ T1203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.558386][ T1203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.558574][ T1203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.558769][ T1203]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.558952][ T1203]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.559147][ T1203]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.559329][ T1203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.559520][ T1203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.559715][ T1203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.559898][ T1203]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.560087][ T1203]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.560271][ T1203]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.560463][ T1203]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.560664][ T1203]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.560854][ T1203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.561050][ T1203]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.561238][ T1203]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.561430][ T1203]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.561625][ T1203]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.561809][ T1203]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.562006][ T1203]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.562191][ T1203]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.562375][ T1203]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.562565][ T1203]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.562758][ T1203]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.562971][ T1203]  ? move_addr_to_kernel (net/socket.c:258)
[   51.563161][ T1203]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.563346][ T1203]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.563536][ T1203]  ___sys_sendmsg (net/socket.c:2752)
[   51.563734][ T1203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.563949][ T1203]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.564152][ T1203]  __sys_sendmsg (net/socket.c:2784)
[   51.564335][ T1203]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.564523][ T1203]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.564754][ T1203]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.564935][ T1203]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.565126][ T1203]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.565307][ T1203]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.565497][ T1203]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.565694][ T1203]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.565906][ T1203] RIP: 0033:0x7fa3b2e8208e
[   51.566102][ T1203] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.566646][ T1203] RSP: 002b:00007fffa6cadce0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.566895][ T1203] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa3b2e8208e
[   51.567150][ T1203] RDX: 0000000000000000 RSI: 00007fffa6cadd90 RDI: 0000000000000005
[   51.567398][ T1203] RBP: 00007fffa6cadcf0 R08: 0000000000000000 R09: 0000000000000000
[   51.567666][ T1203] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.567912][ T1203] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa6cae460
| [   51.670055][ T1206] ------------[ cut here ]------------
| [   51.670242][ T1206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1206
| [   51.670517][ T1206] Modules linked in:
| [   51.670968][ T1206] Tainted: [W]=WARN
[   51.671078][ T1206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.671258][ T1206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.671437][ T1206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.671946][ T1206] RSP: 0018:ffa0000003ec7020 EFLAGS: 00010286
[   51.672139][ T1206] RAX: 00000000ffffffa6 RBX: ff1100000e59d540 RCX: 1ff40000007d8dca
[   51.672336][ T1206] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000e59d5fc
[   51.672545][ T1206] RBP: ff11000009ce4000 R08: 1fe2200001cb3ac1 R09: ff1100000fa52e58
[   51.672753][ T1206] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   51.672958][ T1206] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.673191][ T1206] FS:  00007f3592892840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   51.673473][ T1206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.673648][ T1206] CR2: 00007f3592b621a0 CR3: 000000000fc57006 CR4: 0000000000771ef0
[   51.673858][ T1206] PKRU: 55555554
[   51.673959][ T1206] Call Trace:
[   51.674071][ T1206]  <TASK>
[   51.674147][ T1206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.674383][ T1206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.674490][ T1206]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.674644][ T1206]  __dev_notify_flags (net/core/dev.c:9787)
[   51.674794][ T1206]  ? netif_change_name (net/core/dev.c:1495)
[   51.675038][ T1206]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   51.675171][ T1206]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.675304][ T1206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.675469][ T1206]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.675704][ T1206]  netif_change_flags (net/core/dev.c:9820)
[   51.675859][ T1206]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.675998][ T1206]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.676141][ T1206]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.676363][ T1206]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.676537][ T1206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.676690][ T1206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.676837][ T1206]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.677067][ T1206]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.677206][ T1206]  ? __kernel_text_address (kernel/extable.c:79)
[   51.677340][ T1206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.677479][ T1206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.677704][ T1206]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.677841][ T1206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.677978][ T1206]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.678111][ T1206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.678333][ T1206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.678476][ T1206]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.678613][ T1206]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.678747][ T1206]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.678995][ T1206]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.679146][ T1206]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.679286][ T1206]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.679429][ T1206]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.679656][ T1206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.679797][ T1206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.679938][ T1206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.680073][ T1206]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.680291][ T1206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.680434][ T1206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.680572][ T1206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.680796][ T1206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.680936][ T1206]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.681074][ T1206]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.681226][ T1206]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.681366][ T1206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.681603][ T1206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.681737][ T1206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.681871][ T1206]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.682014][ T1206]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.682236][ T1206]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.682370][ T1206]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.682516][ T1206]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.682761][ T1206]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.682915][ T1206]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.683063][ T1206]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.683199][ T1206]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.683335][ T1206]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.683564][ T1206]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.683728][ T1206]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.683862][ T1206]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.684015][ T1206]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.684254][ T1206]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.684411][ T1206]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.684609][ T1206]  ? move_addr_to_kernel (net/socket.c:258)
[   51.684842][ T1206]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.684978][ T1206]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.685119][ T1206]  ___sys_sendmsg (net/socket.c:2752)
[   51.685256][ T1206]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.685520][ T1206]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.685677][ T1206]  __sys_sendmsg (net/socket.c:2784)
[   51.685810][ T1206]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.685943][ T1206]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.686216][ T1206]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.686350][ T1206]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.686498][ T1206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.686639][ T1206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.686881][ T1206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.687018][ T1206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.687190][ T1206] RIP: 0033:0x7f3592acc08e
[   51.687339][ T1206] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.689096][ T1206] RSP: 002b:00007ffd4629ea60 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.689317][ T1206] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f3592acc08e
[   51.689527][ T1206] RDX: 0000000000000000 RSI: 00007ffd4629eb10 RDI: 0000000000000005
[   51.689845][ T1206] RBP: 00007ffd4629ea70 R08: 0000000000000000 R09: 0000000000000000
[   51.690076][ T1206] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.690300][ T1206] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd4629f1e0
| [   51.721183][ T1207] ------------[ cut here ]------------
| [   51.721357][ T1207] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1207
| [   51.722303][ T1207] Modules linked in:
| [   51.723006][ T1207] Tainted: [W]=WARN
[   51.723108][ T1207] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.723281][ T1207] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.723476][ T1207] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.724081][ T1207] RSP: 0018:ffa0000003ed7020 EFLAGS: 00010286
[   51.724258][ T1207] RAX: 00000000ffffffa6 RBX: ff1100000a5ea040 RCX: 1ff40000007dadca
[   51.724482][ T1207] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a5ea0fc
[   51.724799][ T1207] RBP: ff11000009ce4000 R08: 1fe22000014bd421 R09: ff1100000ebf2e58
[   51.725004][ T1207] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   51.725202][ T1207] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.725400][ T1207] FS:  00007fb927c77840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   51.725766][ T1207] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.725936][ T1207] CR2: 0000000031f0d988 CR3: 00000000113dc002 CR4: 0000000000771ef0
[   51.726156][ T1207] PKRU: 55555554
[   51.726262][ T1207] Call Trace:
[   51.726381][ T1207]  <TASK>
[   51.726457][ T1207]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.726595][ T1207]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.726823][ T1207]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.726963][ T1207]  __dev_notify_flags (net/core/dev.c:9787)
[   51.727102][ T1207]  ? netif_change_name (net/core/dev.c:1495)
[   51.727255][ T1207]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.727398][ T1207]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.727544][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.727804][ T1207]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.727940][ T1207]  netif_change_flags (net/core/dev.c:9820)
[   51.728078][ T1207]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.728210][ T1207]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.728358][ T1207]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.728505][ T1207]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.728774][ T1207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.728910][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.729057][ T1207]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.729194][ T1207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.729328][ T1207]  ? __kernel_text_address (kernel/extable.c:79)
[   51.729485][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.729720][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.729871][ T1207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.730011][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.730143][ T1207]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.730283][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.730431][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.730565][ T1207]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.730774][ T1207]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.730906][ T1207]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.731061][ T1207]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.731198][ T1207]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.731335][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.731478][ T1207]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.731712][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.731848][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.731983][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.732124][ T1207]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.732260][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.732403][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.732548][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.732767][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.732900][ T1207]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.733051][ T1207]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.733202][ T1207]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.733352][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.733492][ T1207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.733703][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.733836][ T1207]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.733985][ T1207]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.734125][ T1207]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.734266][ T1207]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.734406][ T1207]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.734554][ T1207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.734779][ T1207]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.734914][ T1207]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.735053][ T1207]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.735194][ T1207]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.735346][ T1207]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.735493][ T1207]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.735721][ T1207]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.735864][ T1207]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.736018][ T1207]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.736156][ T1207]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.736341][ T1207]  ? move_addr_to_kernel (net/socket.c:258)
[   51.736486][ T1207]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.736694][ T1207]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.736830][ T1207]  ___sys_sendmsg (net/socket.c:2752)
[   51.736977][ T1207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.737161][ T1207]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.737307][ T1207]  __sys_sendmsg (net/socket.c:2784)
[   51.737445][ T1207]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.737696][ T1207]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.737883][ T1207]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.738021][ T1207]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.738164][ T1207]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.738301][ T1207]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.738449][ T1207]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.738667][ T1207]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.738837][ T1207] RIP: 0033:0x7fb927eb108e
[   51.738981][ T1207] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.739479][ T1207] RSP: 002b:00007ffc7eabdca0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.739709][ T1207] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb927eb108e
[   51.739918][ T1207] RDX: 0000000000000000 RSI: 00007ffc7eabdd50 RDI: 0000000000000005
[   51.740130][ T1207] RBP: 00007ffc7eabdcb0 R08: 0000000000000000 R09: 0000000000000000
[   51.740346][ T1207] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.740558][ T1207] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc7eabe420
| [   51.805971][ T1209] ------------[ cut here ]------------
| [   51.806188][ T1209] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1209
| [   51.806538][ T1209] Modules linked in:
| [   51.807116][ T1209] Tainted: [W]=WARN
[   51.807275][ T1209] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.807522][ T1209] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.807767][ T1209] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.808339][ T1209] RSP: 0018:ffa0000003ef7020 EFLAGS: 00010286
[   51.808567][ T1209] RAX: 00000000ffffffa6 RBX: ff1100000de5e580 RCX: 1ff40000007dedca
[   51.808829][ T1209] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000de5e63c
[   51.809091][ T1209] RBP: ff11000009ce4000 R08: 1fe2200001bcbcc9 R09: ff1100000f900b58
[   51.809348][ T1209] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   51.809610][ T1209] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.809865][ T1209] FS:  00007f2afafec840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   51.810162][ T1209] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.810393][ T1209] CR2: 000000000943b988 CR3: 000000000bc37001 CR4: 0000000000771ef0
[   51.810664][ T1209] PKRU: 55555554
[   51.810820][ T1209] Call Trace:
[   51.810977][ T1209]  <TASK>
[   51.811101][ T1209]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.811320][ T1209]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.811519][ T1209]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.811749][ T1209]  __dev_notify_flags (net/core/dev.c:9787)
[   51.811944][ T1209]  ? netif_change_name (net/core/dev.c:1495)
[   51.812134][ T1209]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   51.812324][ T1209]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.812523][ T1209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.812735][ T1209]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.812928][ T1209]  netif_change_flags (net/core/dev.c:9820)
[   51.813137][ T1209]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.813328][ T1209]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.813554][ T1209]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.813767][ T1209]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.813999][ T1209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.814199][ T1209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.814382][ T1209]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.814583][ T1209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.814786][ T1209]  ? __kernel_text_address (kernel/extable.c:79)
[   51.814988][ T1209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.815197][ T1209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.815397][ T1209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.815623][ T1209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.815827][ T1209]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.816028][ T1209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.816236][ T1209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.816444][ T1209]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.816651][ T1209]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.816834][ T1209]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.817034][ T1209]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.817258][ T1209]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.817472][ T1209]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.817691][ T1209]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.817888][ T1209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.818096][ T1209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.818282][ T1209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.818498][ T1209]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.818717][ T1209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.818943][ T1209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.819148][ T1209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.819350][ T1209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.819547][ T1209]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.819746][ T1209]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.819936][ T1209]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.820137][ T1209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.820325][ T1209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.820523][ T1209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.820738][ T1209]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.820939][ T1209]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.821139][ T1209]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.821348][ T1209]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.821608][ T1209]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.821800][ T1209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.821987][ T1209]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.822176][ T1209]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.822383][ T1209]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.822588][ T1209]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.822810][ T1209]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.823011][ T1209]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.823221][ T1209]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.823429][ T1209]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.823651][ T1209]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.823850][ T1209]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.824090][ T1209]  ? move_addr_to_kernel (net/socket.c:258)
[   51.824289][ T1209]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.824491][ T1209]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.824713][ T1209]  ___sys_sendmsg (net/socket.c:2752)
[   51.824910][ T1209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.825162][ T1209]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.825379][ T1209]  __sys_sendmsg (net/socket.c:2784)
[   51.825573][ T1209]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.825767][ T1209]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.825992][ T1209]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.826196][ T1209]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.826384][ T1209]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.826574][ T1209]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.826772][ T1209]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.826982][ T1209]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.827213][ T1209] RIP: 0033:0x7f2afb22608e
[   51.827427][ T1209] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.828048][ T1209] RSP: 002b:00007ffd1fa7e010 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.828310][ T1209] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2afb22608e
[   51.828687][ T1209] RDX: 0000000000000000 RSI: 00007ffd1fa7e0c0 RDI: 0000000000000005
[   51.828947][ T1209] RBP: 00007ffd1fa7e020 R08: 0000000000000000 R09: 0000000000000000
[   51.829235][ T1209] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.829513][ T1209] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd1fa7e790
| [   51.855297][ T1210] ------------[ cut here ]------------
| [   51.855473][ T1210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1210
| [   51.856309][ T1210] Modules linked in:
| [   51.856888][ T1210] Tainted: [W]=WARN
[   51.857003][ T1210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.857183][ T1210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.857373][ T1210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.858024][ T1210] RSP: 0018:ffa0000003ef7020 EFLAGS: 00010286
[   51.858208][ T1210] RAX: 00000000ffffffa6 RBX: ff1100000a8a8e40 RCX: 1ff40000007dedca
[   51.858415][ T1210] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a8a8efc
[   51.858705][ T1210] RBP: ff11000009ce4000 R08: 1fe22000015151e1 R09: ff1100000922d158
[   51.858922][ T1210] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   51.859129][ T1210] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.859350][ T1210] FS:  00007f88deaae840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   51.859591][ T1210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.859840][ T1210] CR2: 000000000c204988 CR3: 000000000e6bd001 CR4: 0000000000771ef0
[   51.860068][ T1210] PKRU: 55555554
[   51.860174][ T1210] Call Trace:
[   51.860275][ T1210]  <TASK>
[   51.860354][ T1210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.860504][ T1210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.860670][ T1210]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.860868][ T1210]  __dev_notify_flags (net/core/dev.c:9787)
[   51.861020][ T1210]  ? netif_change_name (net/core/dev.c:1495)
[   51.861161][ T1210]  ? __dev_change_flags (net/core/dev.c:9752)
[   51.861297][ T1210]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.861441][ T1210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.861583][ T1210]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.861779][ T1210]  netif_change_flags (net/core/dev.c:9820)
[   51.861915][ T1210]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.862081][ T1210]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.862218][ T1210]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.862362][ T1210]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.862559][ T1210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.862764][ T1210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.862918][ T1210]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.863059][ T1210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.863197][ T1210]  ? __kernel_text_address (kernel/extable.c:79)
[   51.863343][ T1210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.863495][ T1210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.863699][ T1210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.863852][ T1210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.863998][ T1210]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.864148][ T1210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.864287][ T1210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.864454][ T1210]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.864664][ T1210]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.864799][ T1210]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.864941][ T1210]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.865097][ T1210]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.865240][ T1210]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.865388][ T1210]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.865530][ T1210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.865733][ T1210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.865885][ T1210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.866031][ T1210]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.866174][ T1210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.866310][ T1210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.866456][ T1210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.866652][ T1210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.866789][ T1210]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.866935][ T1210]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.867073][ T1210]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.867231][ T1210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.867369][ T1210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.867518][ T1210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.867720][ T1210]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.867866][ T1210]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.868011][ T1210]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.868144][ T1210]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.868293][ T1210]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.868438][ T1210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.868574][ T1210]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.868772][ T1210]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.868910][ T1210]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.869070][ T1210]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.869216][ T1210]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.869372][ T1210]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.869528][ T1210]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.869721][ T1210]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.869855][ T1210]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.869993][ T1210]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.870164][ T1210]  ? move_addr_to_kernel (net/socket.c:258)
[   51.870317][ T1210]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.870458][ T1210]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.870658][ T1210]  ___sys_sendmsg (net/socket.c:2752)
[   51.870792][ T1210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.870972][ T1210]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.871121][ T1210]  __sys_sendmsg (net/socket.c:2784)
[   51.871262][ T1210]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.871399][ T1210]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.871594][ T1210]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.871791][ T1210]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.871938][ T1210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.872074][ T1210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.872225][ T1210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.872370][ T1210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.872697][ T1210] RIP: 0033:0x7f88dece808e
[   51.872839][ T1210] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.873371][ T1210] RSP: 002b:00007ffce3b3bd80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.873579][ T1210] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f88dece808e
[   51.873852][ T1210] RDX: 0000000000000000 RSI: 00007ffce3b3be30 RDI: 0000000000000005
[   51.874075][ T1210] RBP: 00007ffce3b3bd90 R08: 0000000000000000 R09: 0000000000000000
[   51.874298][ T1210] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.874510][ T1210] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffce3b3c500
| [   51.958629][ T1213] ------------[ cut here ]------------
| [   51.958838][ T1213] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/1213
| [   51.959159][ T1213] Modules linked in:
| [   51.959663][ T1213] Tainted: [W]=WARN
[   51.959829][ T1213] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   51.960065][ T1213] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   51.960293][ T1213] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   51.960872][ T1213] RSP: 0018:ffa0000003f27020 EFLAGS: 00010286
[   51.961112][ T1213] RAX: 00000000ffffffa6 RBX: ff1100000c052740 RCX: 1ff40000007e4dca
[   51.961369][ T1213] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c0527fc
[   51.961643][ T1213] RBP: ff11000009ce4000 R08: 1fe220000180a501 R09: ff1100000f8b8b58
[   51.961893][ T1213] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   51.962162][ T1213] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   51.962432][ T1213] FS:  00007fc439b2b840(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   51.962803][ T1213] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   51.963044][ T1213] CR2: 000000001974d988 CR3: 000000000c482003 CR4: 0000000000771ef0
[   51.963306][ T1213] PKRU: 55555554
[   51.963480][ T1213] Call Trace:
[   51.963650][ T1213]  <TASK>
[   51.963776][ T1213]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   51.963973][ T1213]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   51.964150][ T1213]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   51.964346][ T1213]  __dev_notify_flags (net/core/dev.c:9787)
[   51.964566][ T1213]  ? netif_change_name (net/core/dev.c:1495)
[   51.964763][ T1213]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   51.964946][ T1213]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   51.965143][ T1213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.965331][ T1213]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   51.965529][ T1213]  netif_change_flags (net/core/dev.c:9820)
[   51.965743][ T1213]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   51.965926][ T1213]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   51.966121][ T1213]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   51.966306][ T1213]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   51.966533][ T1213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   51.966731][ T1213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.966932][ T1213]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   51.967126][ T1213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.967315][ T1213]  ? __kernel_text_address (kernel/extable.c:79)
[   51.967512][ T1213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.967723][ T1213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.967929][ T1213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.968128][ T1213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.968317][ T1213]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   51.968511][ T1213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.968713][ T1213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.968922][ T1213]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   51.969128][ T1213]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   51.969311][ T1213]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   51.969517][ T1213]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   51.969717][ T1213]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   51.969919][ T1213]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   51.970119][ T1213]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   51.970312][ T1213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.970502][ T1213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.970697][ T1213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.970891][ T1213]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   51.971092][ T1213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.971293][ T1213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.971496][ T1213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.971691][ T1213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.971873][ T1213]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   51.972065][ T1213]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   51.972248][ T1213]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   51.972467][ T1213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.972931][ T1213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.973129][ T1213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.973334][ T1213]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   51.973536][ T1213]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   51.973754][ T1213]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   51.973954][ T1213]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   51.974169][ T1213]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   51.974376][ T1213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   51.974566][ T1213]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   51.974766][ T1213]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   51.974950][ T1213]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   51.975141][ T1213]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   51.975331][ T1213]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   51.975542][ T1213]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   51.975752][ T1213]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   51.975962][ T1213]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   51.976172][ T1213]  ? copy_msghdr_from_user (net/socket.c:2635)
[   51.976688][ T1213]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   51.976920][ T1213]  ? move_addr_to_kernel (net/socket.c:258)
[   51.977125][ T1213]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   51.977327][ T1213]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   51.977538][ T1213]  ___sys_sendmsg (net/socket.c:2752)
[   51.977751][ T1213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   51.977966][ T1213]  ? copy_msghdr_from_user (net/socket.c:2603)
[   51.978180][ T1213]  __sys_sendmsg (net/socket.c:2784)
[   51.978367][ T1213]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   51.978564][ T1213]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   51.978795][ T1213]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   51.978990][ T1213]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   51.979185][ T1213]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   51.979369][ T1213]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   51.979564][ T1213]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   51.979763][ T1213]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   51.980008][ T1213] RIP: 0033:0x7fc439d6508e
[   51.980212][ T1213] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   51.980763][ T1213] RSP: 002b:00007ffc9ec099c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   51.981030][ T1213] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc439d6508e
[   51.981288][ T1213] RDX: 0000000000000000 RSI: 00007ffc9ec09a70 RDI: 0000000000000005
[   51.981540][ T1213] RBP: 00007ffc9ec099d0 R08: 0000000000000000 R09: 0000000000000000
[   51.981799][ T1213] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf2e
[   51.982084][ T1213] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc9ec0a140
| [   67.812230][ T1549] ------------[ cut here ]------------
| [   67.812406][ T1549] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1549
| [   67.813663][ T1549] Modules linked in:
| [   67.814162][ T1549] Tainted: [W]=WARN
[   67.814263][ T1549] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.814431][ T1549] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.814755][ T1549] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.815234][ T1549] RSP: 0018:ffa0000004f47020 EFLAGS: 00010286
[   67.815404][ T1549] RAX: 00000000ffffffa6 RBX: ff1100000c249e00 RCX: 1ff40000009e8dca
[   67.815726][ T1549] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000c249ebc
[   67.815928][ T1549] RBP: ff11000009ce4000 R08: 1fe22000018493d9 R09: ff11000010025158
[   67.816135][ T1549] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   67.816332][ T1549] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.816540][ T1549] FS:  00007f680f30d840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   67.816864][ T1549] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.817040][ T1549] CR2: 000000003607b988 CR3: 0000000005f4e006 CR4: 0000000000771ef0
[   67.817239][ T1549] PKRU: 55555554
[   67.817339][ T1549] Call Trace:
[   67.817439][ T1549]  <TASK>
[   67.817516][ T1549]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.817738][ T1549]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.817842][ T1549]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.817981][ T1549]  __dev_notify_flags (net/core/dev.c:9787)
[   67.818116][ T1549]  ? netif_change_name (net/core/dev.c:1495)
[   67.818249][ T1549]  ? __dev_change_flags (net/core/dev.c:9752)
[   67.818382][ T1549]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.818519][ T1549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.818747][ T1549]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.818886][ T1549]  netif_change_flags (net/core/dev.c:9820)
[   67.819026][ T1549]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   67.819162][ T1549]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.819299][ T1549]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.819433][ T1549]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.819686][ T1549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.819822][ T1549]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.819959][ T1549]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.820097][ T1549]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.820233][ T1549]  ? __kernel_text_address (kernel/extable.c:79)
[   67.820367][ T1549]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.820505][ T1549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.820716][ T1549]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.820850][ T1549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.820991][ T1549]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.821122][ T1549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.821253][ T1549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.821386][ T1549]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.821526][ T1549]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.821748][ T1549]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.821882][ T1549]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.822020][ T1549]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.822157][ T1549]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.822292][ T1549]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.822428][ T1549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.822563][ T1549]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.822777][ T1549]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.822911][ T1549]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.823045][ T1549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.823180][ T1549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.823312][ T1549]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.823442][ T1549]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.823583][ T1549]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.823796][ T1549]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.823930][ T1549]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.824067][ T1549]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.824200][ T1549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.824334][ T1549]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.824468][ T1549]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.824693][ T1549]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.824828][ T1549]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.824966][ T1549]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.825102][ T1549]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.825238][ T1549]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.825370][ T1549]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.825510][ T1549]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.825722][ T1549]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.825855][ T1549]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.825993][ T1549]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.826124][ T1549]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.826257][ T1549]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.826393][ T1549]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.826533][ T1549]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.826757][ T1549]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.826921][ T1549]  ? move_addr_to_kernel (net/socket.c:258)
[   67.827058][ T1549]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.827189][ T1549]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.827348][ T1549]  ___sys_sendmsg (net/socket.c:2752)
[   67.827482][ T1549]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.827745][ T1549]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.827888][ T1549]  __sys_sendmsg (net/socket.c:2784)
[   67.828025][ T1549]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.828160][ T1549]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.828346][ T1549]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.828477][ T1549]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.828707][ T1549]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.828840][ T1549]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.828979][ T1549]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.829112][ T1549]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.829278][ T1549] RIP: 0033:0x7f680f54708e
[   67.829423][ T1549] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.829979][ T1549] RSP: 002b:00007ffd5e9cc660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.830181][ T1549] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f680f54708e
[   67.830379][ T1549] RDX: 0000000000000000 RSI: 00007ffd5e9cc710 RDI: 0000000000000005
[   67.830586][ T1549] RBP: 00007ffd5e9cc670 R08: 0000000000000000 R09: 0000000000000000
[   67.830878][ T1549] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf3e
[   67.831080][ T1549] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd5e9ccde0
| [   67.944885][ T1551] ------------[ cut here ]------------
| [   67.945065][ T1551] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1551
| [   67.945332][ T1551] Modules linked in:
| [   67.945729][ T1551] Tainted: [W]=WARN
[   67.945830][ T1551] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.946003][ T1551] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.946175][ T1551] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.946664][ T1551] RSP: 0018:ffa0000004a07020 EFLAGS: 00010286
[   67.946833][ T1551] RAX: 00000000ffffffa6 RBX: ff11000004b91000 RCX: 1ff4000000940dca
[   67.947036][ T1551] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004b910bc
[   67.947236][ T1551] RBP: ff11000009ce4000 R08: 1fe2200000972219 R09: ff1100000e8b2e58
[   67.947435][ T1551] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   67.947643][ T1551] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.947843][ T1551] FS:  00007f8d1a795840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   67.948079][ T1551] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.948249][ T1551] CR2: 000000002d279988 CR3: 00000000120c4004 CR4: 0000000000771ef0
[   67.948467][ T1551] PKRU: 55555554
[   67.948577][ T1551] Call Trace:
[   67.948683][ T1551]  <TASK>
[   67.948753][ T1551]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.948890][ T1551]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.948997][ T1551]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.949131][ T1551]  __dev_notify_flags (net/core/dev.c:9787)
[   67.949267][ T1551]  ? netif_change_name (net/core/dev.c:1495)
[   67.949401][ T1551]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   67.949541][ T1551]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.949677][ T1551]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.949811][ T1551]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.949948][ T1551]  netif_change_flags (net/core/dev.c:9820)
[   67.950090][ T1551]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   67.950225][ T1551]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.950363][ T1551]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.950504][ T1551]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.950676][ T1551]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.950811][ T1551]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.950944][ T1551]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.951082][ T1551]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.951215][ T1551]  ? __kernel_text_address (kernel/extable.c:79)
[   67.951349][ T1551]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.951484][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.951630][ T1551]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.951764][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.951898][ T1551]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.952038][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.952170][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.952307][ T1551]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.952441][ T1551]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.952579][ T1551]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.952721][ T1551]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.952856][ T1551]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.952999][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.953136][ T1551]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.953269][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.953400][ T1551]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.953537][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.953675][ T1551]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.953809][ T1551]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.953944][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.954081][ T1551]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.954213][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.954346][ T1551]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.954480][ T1551]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.954626][ T1551]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   67.954759][ T1551]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.954891][ T1551]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.955030][ T1551]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.955168][ T1551]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.955300][ T1551]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.955433][ T1551]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   67.955571][ T1551]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   67.955714][ T1551]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   67.955851][ T1551]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   67.955988][ T1551]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   67.956128][ T1551]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   67.956262][ T1551]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   67.956399][ T1551]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.956538][ T1551]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   67.956677][ T1551]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   67.956811][ T1551]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   67.956947][ T1551]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   67.957085][ T1551]  ? copy_msghdr_from_user (net/socket.c:2635)
[   67.957219][ T1551]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   67.957386][ T1551]  ? move_addr_to_kernel (net/socket.c:258)
[   67.957526][ T1551]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.957666][ T1551]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.957801][ T1551]  ___sys_sendmsg (net/socket.c:2752)
[   67.957933][ T1551]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   67.958104][ T1551]  ? copy_msghdr_from_user (net/socket.c:2603)
[   67.958252][ T1551]  __sys_sendmsg (net/socket.c:2784)
[   67.958385][ T1551]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   67.958523][ T1551]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   67.958698][ T1551]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   67.958831][ T1551]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.958969][ T1551]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   67.959103][ T1551]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   67.959238][ T1551]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   67.959372][ T1551]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   67.959542][ T1551] RIP: 0033:0x7f8d1a9cf08e
[   67.959691][ T1551] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   67.960171][ T1551] RSP: 002b:00007fffeebd2140 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   67.960373][ T1551] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f8d1a9cf08e
[   67.960574][ T1551] RDX: 0000000000000000 RSI: 00007fffeebd21f0 RDI: 0000000000000005
[   67.960777][ T1551] RBP: 00007fffeebd2150 R08: 0000000000000000 R09: 0000000000000000
[   67.960979][ T1551] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf3e
[   67.961180][ T1551] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffeebd28c0
| [   67.989160][ T1552] ------------[ cut here ]------------
| [   67.989313][ T1552] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/1552
| [   67.989594][ T1552] Modules linked in:
| [   67.989980][ T1552] Tainted: [W]=WARN
[   67.990078][ T1552] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   67.990241][ T1552] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   67.990412][ T1552] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   67.990892][ T1552] RSP: 0018:ffa0000004f47020 EFLAGS: 00010286
[   67.991068][ T1552] RAX: 00000000ffffffa6 RBX: ff11000005ef5000 RCX: 1ff40000009e8dca
[   67.991264][ T1552] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000005ef50bc
[   67.991460][ T1552] RBP: ff11000009ce4000 R08: 1fe2200000bdea19 R09: ff1100000e8b5158
[   67.991670][ T1552] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   67.992198][ T1552] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   67.992397][ T1552] FS:  00007f280fe10840(0000) GS:ff110000c6cc7000(0000) knlGS:0000000000000000
[   67.992639][ T1552] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   67.992808][ T1552] CR2: 00007f28100e01a0 CR3: 000000000eac5001 CR4: 0000000000771ef0
[   67.993021][ T1552] PKRU: 55555554
[   67.993119][ T1552] Call Trace:
[   67.993217][ T1552]  <TASK>
[   67.993286][ T1552]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   67.993422][ T1552]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   67.993527][ T1552]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   67.993667][ T1552]  __dev_notify_flags (net/core/dev.c:9787)
[   67.993804][ T1552]  ? netif_change_name (net/core/dev.c:1495)
[   67.993936][ T1552]  ? __dev_change_flags (net/core/dev.c:9752)
[   67.994079][ T1552]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   67.994210][ T1552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.994343][ T1552]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   67.994478][ T1552]  netif_change_flags (net/core/dev.c:9820)
[   67.995159][ T1552]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   67.995297][ T1552]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   67.995432][ T1552]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   67.995571][ T1552]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   67.995828][ T1552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   67.995963][ T1552]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   67.996098][ T1552]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   67.996239][ T1552]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   67.996373][ T1552]  ? __kernel_text_address (kernel/extable.c:79)
[   67.996511][ T1552]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   67.996735][ T1552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.996868][ T1552]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.997007][ T1552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.997140][ T1552]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   67.997273][ T1552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.997405][ T1552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   67.997543][ T1552]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   67.997763][ T1552]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   67.997898][ T1552]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   67.998039][ T1552]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   67.998173][ T1552]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   67.998308][ T1552]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   67.998444][ T1552]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   67.998583][ T1552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.998783][ T1552]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.998916][ T1552]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.999054][ T1552]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   67.999185][ T1552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.999319][ T1552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   67.999450][ T1552]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   67.999590][ T1552]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   67.999802][ T1552]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   67.999937][ T1552]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.000073][ T1552]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.000205][ T1552]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.000337][ T1552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.000467][ T1552]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.000665][ T1552]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.000797][ T1552]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.000934][ T1552]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.001073][ T1552]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.001205][ T1552]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.001341][ T1552]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.001472][ T1552]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.001666][ T1552]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.001801][ T1552]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.001934][ T1552]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.002069][ T1552]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.002202][ T1552]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.002335][ T1552]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.002468][ T1552]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.002660][ T1552]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.002791][ T1552]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.002954][ T1552]  ? move_addr_to_kernel (net/socket.c:258)
[   68.003092][ T1552]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.003223][ T1552]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.003357][ T1552]  ___sys_sendmsg (net/socket.c:2752)
[   68.003487][ T1552]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.003705][ T1552]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.003851][ T1552]  __sys_sendmsg (net/socket.c:2784)
[   68.003986][ T1552]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.004118][ T1552]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.004284][ T1552]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.004415][ T1552]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.004555][ T1552]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.004694][ T1552]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.004826][ T1552]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.004960][ T1552]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.005129][ T1552] RIP: 0033:0x7f281004a08e
[   68.005267][ T1552] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.005743][ T1552] RSP: 002b:00007fff83dc8d00 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.005944][ T1552] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f281004a08e
[   68.006144][ T1552] RDX: 0000000000000000 RSI: 00007fff83dc8db0 RDI: 0000000000000005
[   68.006342][ T1552] RBP: 00007fff83dc8d10 R08: 0000000000000000 R09: 0000000000000000
[   68.006542][ T1552] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf3e
[   68.006743][ T1552] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff83dc9480
| [   68.115627][ T1555] ------------[ cut here ]------------
| [   68.115805][ T1555] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/1555
| [   68.116091][ T1555] Modules linked in:
| [   68.116512][ T1555] Tainted: [W]=WARN
[   68.117209][ T1555] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.117389][ T1555] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.117572][ T1555] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.118114][ T1555] RSP: 0018:ffa0000004f57020 EFLAGS: 00010286
[   68.118297][ T1555] RAX: 00000000ffffffa6 RBX: ff11000009606c80 RCX: 1ff40000009eadca
[   68.118521][ T1555] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009606d3c
[   68.118743][ T1555] RBP: ff11000009ce4000 R08: 1fe22000012c0da9 R09: ff1100000e468b58
[   68.118954][ T1555] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   68.119164][ T1555] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000001
[   68.119377][ T1555] FS:  00007fcb95e48840(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   68.119673][ T1555] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.119840][ T1555] CR2: 0000000023136988 CR3: 000000000fdf1002 CR4: 0000000000771ef0
[   68.120045][ T1555] PKRU: 55555554
[   68.120148][ T1555] Call Trace:
[   68.120257][ T1555]  <TASK>
[   68.120329][ T1555]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.120467][ T1555]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.120579][ T1555]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   68.120719][ T1555]  __dev_notify_flags (net/core/dev.c:9787)
[   68.120852][ T1555]  ? netif_change_name (net/core/dev.c:1495)
[   68.121031][ T1555]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   68.121174][ T1555]  ? netif_set_allmulti (./include/net/netdev_lock.h:33)
[   68.121307][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.121443][ T1555]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   68.121609][ T1555]  netif_change_flags (net/core/dev.c:9820)
[   68.121751][ T1555]  ? unwind_get_return_address (arch/x86/kernel/unwind_orc.c:385 arch/x86/kernel/unwind_orc.c:380)
[   68.121891][ T1555]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   68.122045][ T1555]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   68.122200][ T1555]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   68.122382][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   68.122540][ T1555]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.122684][ T1555]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   68.122819][ T1555]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.122952][ T1555]  ? __kernel_text_address (kernel/extable.c:79)
[   68.123091][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.123234][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.123372][ T1555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.123523][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.123679][ T1555]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.123818][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.123956][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.124100][ T1555]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   68.124241][ T1555]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   68.124377][ T1555]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   68.124517][ T1555]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   68.124668][ T1555]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   68.124811][ T1555]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   68.124953][ T1555]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   68.125104][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.125241][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.125395][ T1555]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.125541][ T1555]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   68.125691][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.125828][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.125965][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.126119][ T1555]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.126264][ T1555]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.126405][ T1555]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   68.126551][ T1555]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   68.126692][ T1555]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.126841][ T1555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.126978][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.127122][ T1555]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.127260][ T1555]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   68.127412][ T1555]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   68.127552][ T1555]  ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[   68.127699][ T1555]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   68.127861][ T1555]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   68.127999][ T1555]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   68.128134][ T1555]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   68.128274][ T1555]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   68.128407][ T1555]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   68.128550][ T1555]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   68.128690][ T1555]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   68.128830][ T1555]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   68.128971][ T1555]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   68.129104][ T1555]  ? copy_msghdr_from_user (net/socket.c:2635)
[   68.129249][ T1555]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   68.129424][ T1555]  ? move_addr_to_kernel (net/socket.c:258)
[   68.129584][ T1555]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   68.129731][ T1555]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   68.129866][ T1555]  ___sys_sendmsg (net/socket.c:2752)
[   68.130006][ T1555]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   68.130179][ T1555]  ? copy_msghdr_from_user (net/socket.c:2603)
[   68.130334][ T1555]  __sys_sendmsg (net/socket.c:2784)
[   68.130468][ T1555]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   68.130629][ T1555]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   68.130800][ T1555]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   68.130945][ T1555]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.131090][ T1555]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   68.131230][ T1555]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   68.131373][ T1555]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   68.131510][ T1555]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   68.131690][ T1555] RIP: 0033:0x7fcb9608208e
[   68.131845][ T1555] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   68.132340][ T1555] RSP: 002b:00007ffe6b40eba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   68.132549][ T1555] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fcb9608208e
[   68.132764][ T1555] RDX: 0000000000000000 RSI: 00007ffe6b40ec50 RDI: 0000000000000005
[   68.132977][ T1555] RBP: 00007ffe6b40ebb0 R08: 0000000000000000 R09: 0000000000000000
[   68.133175][ T1555] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10cf3f
[   68.133388][ T1555] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe6b40f320
| [   68.261691][   T12] ------------[ cut here ]------------
| [   68.261847][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.262109][   T12] Modules linked in:
| [   68.262513][   T12] Tainted: [W]=WARN
[   68.262627][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.262787][   T12] Workqueue: netns cleanup_net
[   68.262924][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.263094][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.263584][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.263759][   T12] RAX: 00000000ffffffa6 RBX: ff11000004b903c0 RCX: 1ff4000000018eed
[   68.263963][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004b9047c
[   68.264167][   T12] RBP: ff11000009dac000 R08: 1fe2200000972091 R09: ff11000001aed1d0
[   68.264360][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.264559][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.264775][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.264998][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.265158][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.265349][   T12] PKRU: 55555554
[   68.265444][   T12] Call Trace:
[   68.265547][   T12]  <TASK>
[   68.265615][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.265777][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.265938][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.266078][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.266201][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.266322][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.266448][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.266583][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.266737][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.266877][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.267029][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.267151][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.267274][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.267413][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.267564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.267694][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.267828][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.267958][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.268111][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.268240][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.268366][   T12]  kthread (kernel/kthread.c:436)
[   68.268457][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.268621][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.268749][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.268889][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.269049][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.269181][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.269306][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.271703][   T12] ------------[ cut here ]------------
| [   68.271856][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.272116][   T12] Modules linked in:
| [   68.272501][   T12] Tainted: [W]=WARN
[   68.272609][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.272760][   T12] Workqueue: netns cleanup_net
[   68.272891][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.273055][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.275642][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.275830][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf418c0 RCX: 1ff4000000018eed
[   68.276022][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf4197c
[   68.276212][   T12] RBP: ff1100000f6bc000 R08: 1fe22000019e8331 R09: ff11000001aed1d0
[   68.276420][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.276633][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.276835][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.277064][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.277220][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.277421][   T12] PKRU: 55555554
[   68.277528][   T12] Call Trace:
[   68.277625][   T12]  <TASK>
[   68.277698][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.277866][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.278028][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.278148][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.278271][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.278390][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.278526][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.278663][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.278803][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.278934][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.279061][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.279181][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.279319][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.279440][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.279564][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.279701][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.279832][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.279955][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.280085][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.280222][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.280353][   T12]  kthread (kernel/kthread.c:436)
[   68.280449][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.280616][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.280736][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.280863][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.281035][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.281154][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.281298][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.285395][   T12] ------------[ cut here ]------------
| [   68.285581][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.285937][   T12] Modules linked in:
| [   68.286340][   T12] Tainted: [W]=WARN
[   68.286513][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.286681][   T12] Workqueue: netns cleanup_net
[   68.286808][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.286977][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.287503][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.287661][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf40200 RCX: 1ff4000000018eed
[   68.287843][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf402bc
[   68.288033][   T12] RBP: ff11000009f31000 R08: 1fe22000019e8059 R09: ff11000001aed1d0
[   68.288292][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.288488][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.288783][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.288998][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.289160][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.289419][   T12] PKRU: 55555554
[   68.289512][   T12] Call Trace:
[   68.289617][   T12]  <TASK>
[   68.289679][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.289842][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.290074][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.290203][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.290334][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.290452][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.290669][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.290789][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.290934][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.291069][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.291262][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.291390][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.291518][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.291730][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.291865][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.292011][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.292142][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.292279][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.292480][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.292620][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.292752][   T12]  kthread (kernel/kthread.c:436)
[   68.292856][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.293080][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.293198][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.293320][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.293552][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.293751][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.293886][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.296904][   T12] ------------[ cut here ]------------
| [   68.297048][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.297299][   T12] Modules linked in:
| [   68.297691][   T12] Tainted: [W]=WARN
[   68.297788][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.297964][   T12] Workqueue: netns cleanup_net
[   68.298107][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.298271][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.298730][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.298885][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf40900 RCX: 1ff4000000018eed
[   68.299082][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf409bc
[   68.299271][   T12] RBP: ff1100000fa6c000 R08: 1fe22000019e8139 R09: ff11000001aed1d0
[   68.299465][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.299674][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.299851][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.300070][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.300236][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.300431][   T12] PKRU: 55555554
[   68.300525][   T12] Call Trace:
[   68.300618][   T12]  <TASK>
[   68.300681][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.300846][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.301008][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.301130][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.301249][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.301370][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.301490][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.301620][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.301740][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.301864][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.301991][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.302125][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.302263][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.302391][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.302520][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.302644][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.302775][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.302893][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.303045][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.303176][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.303294][   T12]  kthread (kernel/kthread.c:436)
[   68.303390][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.303553][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.303694][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.303814][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.303978][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.304108][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.304232][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.306411][   T12] ------------[ cut here ]------------
| [   68.306532][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.306780][   T12] Modules linked in:
| [   68.307156][   T12] Tainted: [W]=WARN
[   68.307245][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.307410][   T12] Workqueue: netns cleanup_net
[   68.307549][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.308649][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.309166][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.309323][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf403c0 RCX: 1ff4000000018eed
[   68.309523][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf4047c
[   68.309773][   T12] RBP: ff11000007939000 R08: 1fe22000019e8091 R09: ff11000001aed1d0
[   68.309976][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.310176][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.310369][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.310652][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.310804][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.311005][   T12] PKRU: 55555554
[   68.311110][   T12] Call Trace:
[   68.311203][   T12]  <TASK>
[   68.311268][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.311432][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.311594][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.311771][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.311908][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.312031][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.312163][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.312294][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.312417][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.312541][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.312713][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.312842][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.312964][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.313088][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.313221][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.313349][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.313472][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.313649][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.313779][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.313910][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.314035][   T12]  kthread (kernel/kthread.c:436)
[   68.314129][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.314286][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.314406][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.314544][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.314754][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.314872][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.315030][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.329740][   T12] ------------[ cut here ]------------
| [   68.329898][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.330178][   T12] Modules linked in:
| [   68.330606][   T12] Tainted: [W]=WARN
[   68.330712][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.330871][   T12] Workqueue: netns cleanup_net
[   68.331033][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.331203][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.331728][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.331888][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cf41a80 RCX: 1ff4000000018eaf
[   68.332095][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cf41b3c
[   68.332306][   T12] RBP: ff110000092d9000 R08: 1fe22000019e8369 R09: ff11000001aed1d0
[   68.332507][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   68.332752][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008f9c000
[   68.332953][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.333234][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.333405][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.333674][   T12] PKRU: 55555554
[   68.333772][   T12] Call Trace:
[   68.333867][   T12]  <TASK>
[   68.333935][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.334071][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.334173][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.334312][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.334447][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.334592][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.334776][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.334904][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.335079][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.335245][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.335391][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.335566][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.335748][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.335887][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.336058][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.336189][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.336319][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.336460][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.336594][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.336777][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.336961][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.337105][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.337237][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.337376][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.337512][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.337691][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.337819][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.337958][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.338100][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.338237][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.338382][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.338536][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.338672][   T12]  kthread (kernel/kthread.c:436)
[   68.338771][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.338937][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.339080][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.339218][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.339379][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.339524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.339664][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.343379][   T12] ------------[ cut here ]------------
| [   68.343536][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.343810][   T12] Modules linked in:
| [   68.344220][   T12] Tainted: [W]=WARN
[   68.344315][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.344483][   T12] Workqueue: netns cleanup_net
[   68.344626][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.344791][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.345265][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.345424][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b72b1c0 RCX: 1ff4000000018eaf
[   68.345623][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000b72b27c
[   68.345823][   T12] RBP: ff11000008f9c000 R08: 1fe22000016e5651 R09: ff11000001aed1d0
[   68.346055][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   68.346243][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000e871000
[   68.346445][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.346708][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.346874][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.347093][   T12] PKRU: 55555554
[   68.347188][   T12] Call Trace:
[   68.347282][   T12]  <TASK>
[   68.347348][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.347476][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.347622][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.347745][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.347885][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.348014][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.348142][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.348267][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.348394][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.348564][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.348736][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.348873][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.349050][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.349175][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.349301][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.349462][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.349653][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.349791][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.349920][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.350057][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.350202][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.350353][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.350485][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.350625][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.350757][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.350885][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.351014][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.351147][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.351276][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.351407][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.351541][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.351690][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.351824][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.351950][   T12]  kthread (kernel/kthread.c:436)
[   68.352054][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.352213][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.352347][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.352478][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.352648][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.352784][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.352912][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.355782][   T12] ------------[ cut here ]------------
| [   68.355938][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.356197][   T12] Modules linked in:
| [   68.356593][   T12] Tainted: [W]=WARN
[   68.356696][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.356853][   T12] Workqueue: netns cleanup_net
[   68.356990][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.357155][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.357636][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.357808][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cc5d700 RCX: 1ff4000000018eaf
[   68.358040][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cc5d7bc
[   68.358254][   T12] RBP: ff1100000e871000 R08: 1fe220000198baf9 R09: ff11000001aed1d0
[   68.358450][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   68.358668][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   68.358861][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.359103][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.359259][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.359468][   T12] PKRU: 55555554
[   68.359568][   T12] Call Trace:
[   68.359668][   T12]  <TASK>
[   68.359734][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.359883][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.360042][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.360148][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.360286][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.360490][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.360688][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.360826][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.360984][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.361151][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.361322][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.361448][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.361622][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.361749][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.361883][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.362054][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.362186][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.362318][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.362456][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.362588][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.362731][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.362859][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.362988][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.363125][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.363251][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.363381][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.363546][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.363681][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.363819][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.363949][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.364078][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.364233][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.364369][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.364501][   T12]  kthread (kernel/kthread.c:436)
[   68.364602][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.364770][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.364897][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.365027][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.365188][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.365323][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.365448][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.377279][   T12] ------------[ cut here ]------------
| [   68.377424][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.377776][   T12] Modules linked in:
| [   68.378184][   T12] Tainted: [W]=WARN
[   68.378278][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.378518][   T12] Workqueue: netns cleanup_net
[   68.378652][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.378810][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.379363][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.379604][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cdc83c0 RCX: 1ff4000000018ed5
[   68.379815][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc847c
[   68.380017][   T12] RBP: ff110000092d9000 R08: 1fe22000019b9091 R09: ff11000001aed1d0
[   68.380288][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.380468][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.380672][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.380962][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.381130][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.381409][   T12] PKRU: 55555554
[   68.381506][   T12] Call Trace:
[   68.381609][   T12]  <TASK>
[   68.381673][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.381844][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.382078][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.382209][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.382336][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.382524][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.382796][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.382951][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.383097][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.383228][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.383426][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.383559][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.383704][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.383827][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.384034][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.384167][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.384294][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.384432][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.384649][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.384776][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.384914][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.385042][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.385254][   T12]  kthread (kernel/kthread.c:436)
[   68.385347][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.385524][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.385662][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.385783][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.385943][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.386080][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.386276][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.390015][   T12] ------------[ cut here ]------------
| [   68.390154][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.390394][   T12] Modules linked in:
| [   68.390856][   T12] Tainted: [W]=WARN
[   68.390949][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.391182][   T12] Workqueue: netns cleanup_net
[   68.391308][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.391464][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.392048][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.392202][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cdc98c0 RCX: 1ff4000000018ed5
[   68.392383][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000cdc997c
[   68.392569][   T12] RBP: ff11000008f9c000 R08: 1fe22000019b9331 R09: ff11000001aed1d0
[   68.392797][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.393035][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.393216][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.393426][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.393710][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.393895][   T12] PKRU: 55555554
[   68.393990][   T12] Call Trace:
[   68.394080][   T12]  <TASK>
[   68.394144][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.394300][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.394528][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.394701][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.394822][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.394982][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.395105][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.395302][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.395425][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.395688][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.395811][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.395932][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.396063][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.396189][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.396310][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.396432][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.396556][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.396728][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.396853][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.396976][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.397102][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.397226][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.397345][   T12]  kthread (kernel/kthread.c:436)
[   68.397436][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.397594][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.397774][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.397895][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.398052][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.398178][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.398299][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.404442][   T12] ------------[ cut here ]------------
| [   68.404580][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.405261][   T12] Modules linked in:
| [   68.405708][   T12] Tainted: [W]=WARN
[   68.405802][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.405954][   T12] Workqueue: netns cleanup_net
[   68.406090][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.406247][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.406735][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.406886][   T12] RAX: 00000000ffffffa6 RBX: ff11000009604740 RCX: 1ff4000000018ed5
[   68.407117][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096047fc
[   68.407295][   T12] RBP: ff1100000e871000 R08: 1fe22000012c0901 R09: ff11000001aed1d0
[   68.407473][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.407709][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.407890][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.408121][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.408274][   T12] CR2: 00005650d460c100 CR3: 000000002974d004 CR4: 0000000000771ef0
[   68.408455][   T12] PKRU: 55555554
[   68.408551][   T12] Call Trace:
[   68.408692][   T12]  <TASK>
[   68.408755][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.408911][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.409065][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.409186][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.409307][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.409463][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.409593][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.409762][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.409883][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.410007][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.410129][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.410249][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.410374][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.410495][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.410670][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.410793][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.410912][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.411038][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.411162][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.411281][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.411407][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.411537][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.411707][   T12]  kthread (kernel/kthread.c:436)
[   68.411798][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.411947][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.412070][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.412190][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.412345][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.412465][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.412592][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.483059][   T12] ------------[ cut here ]------------
| [   68.483208][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.483451][   T12] Modules linked in:
| [   68.483951][   T12] Tainted: [W]=WARN
[   68.484051][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.484202][   T12] Workqueue: netns cleanup_net
[   68.484379][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.484567][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.485028][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.485182][   T12] RAX: 00000000ffffffa6 RBX: ff11000009605540 RCX: 1ff4000000018eed
[   68.485363][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000096055fc
[   68.485551][   T12] RBP: ff110000120fc000 R08: 1fe22000012c0ac1 R09: ff11000001aed1d0
[   68.485742][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.485922][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.486110][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.486332][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.486484][   T12] CR2: 00005650d460c100 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.486704][   T12] PKRU: 55555554
[   68.486793][   T12] Call Trace:
[   68.486881][   T12]  <TASK>
[   68.486946][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.487106][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.487265][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.487388][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.487515][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.487672][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.487796][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.487919][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.488043][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.488165][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.488288][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.488412][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.488552][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.488682][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.488805][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.488931][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.489058][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.489183][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.489308][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.489431][   T12]  kthread (kernel/kthread.c:436)
[   68.489526][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.489681][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.489806][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.489934][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.490089][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.490211][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.490335][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.493403][   T12] ------------[ cut here ]------------
| [   68.493542][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.493794][   T12] Modules linked in:
| [   68.494168][   T12] Tainted: [W]=WARN
[   68.494258][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.494408][   T12] Workqueue: netns cleanup_net
[   68.494539][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.494713][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.495155][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.495306][   T12] RAX: 00000000ffffffa6 RBX: ff11000009605c40 RCX: 1ff4000000018eed
[   68.495492][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009605cfc
[   68.495687][   T12] RBP: ff1100000e989000 R08: 1fe22000012c0ba1 R09: ff11000001aed1d0
[   68.495865][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.496049][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.496230][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.496450][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.496612][   T12] CR2: 00005650d460c100 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.496792][   T12] PKRU: 55555554
[   68.496882][   T12] Call Trace:
[   68.496979][   T12]  <TASK>
[   68.497042][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.497194][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.497343][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.497464][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.497590][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.497731][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.497854][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.497980][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.498100][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.498222][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.498342][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.498459][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.498590][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.498719][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.498841][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.498973][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.499092][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.499216][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.499339][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.499459][   T12]  kthread (kernel/kthread.c:436)
[   68.499554][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.499715][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.499835][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.499957][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.500159][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.500296][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.500417][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.502791][   T12] ------------[ cut here ]------------
| [   68.502921][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.503161][   T12] Modules linked in:
| [   68.503534][   T12] Tainted: [W]=WARN
[   68.504053][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.504205][   T12] Workqueue: netns cleanup_net
[   68.504330][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.504486][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.504994][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.505148][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e40ac0 RCX: 1ff4000000018eed
[   68.505328][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e40b7c
[   68.505520][   T12] RBP: ff1100000e674000 R08: 1fe22000003c8171 R09: ff11000001aed1d0
[   68.505749][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.505930][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.506115][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.506328][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.506479][   T12] CR2: 00005650d460c100 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.506761][   T12] PKRU: 55555554
[   68.506853][   T12] Call Trace:
[   68.506944][   T12]  <TASK>
[   68.507010][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.507163][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.507316][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.507436][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.507562][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.507730][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.507853][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.507978][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.508099][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.508226][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.508349][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.508469][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.508644][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.508764][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.508886][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.509011][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.509130][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.509257][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.509382][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.509507][   T12]  kthread (kernel/kthread.c:436)
[   68.509645][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.509794][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.509918][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.510040][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.510190][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.510311][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.510432][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.512568][   T12] ------------[ cut here ]------------
| [   68.513114][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   68.513357][   T12] Modules linked in:
| [   68.513781][   T12] Tainted: [W]=WARN
[   68.513873][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.514031][   T12] Workqueue: netns cleanup_net
[   68.514156][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.514312][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.514796][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.514949][   T12] RAX: 00000000ffffffa6 RBX: ff11000009470580 RCX: 1ff4000000018eed
[   68.515131][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000947063c
[   68.515355][   T12] RBP: ff1100000e56c000 R08: 1fe220000128e0c9 R09: ff11000001aed1d0
[   68.515544][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.515762][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.515946][   T12] FS:  0000000000000000(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   68.516155][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.516305][   T12] CR2: 00007ffe455b8578 CR3: 0000000009fdc004 CR4: 0000000000771ef0
[   68.516485][   T12] PKRU: 55555554
[   68.516582][   T12] Call Trace:
[   68.516679][   T12]  <TASK>
[   68.516742][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.516895][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.517049][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.517168][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.517289][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.517408][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.517541][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.517669][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.517789][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.517911][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.518040][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.518158][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.518278][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.518398][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.518526][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.518667][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.518786][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.518916][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.519041][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.519163][   T12]  kthread (kernel/kthread.c:436)
[   68.519253][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.519402][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.519528][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.519653][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.519805][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.519926][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.520050][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.522066][   T12] ------------[ cut here ]------------
| [   68.522185][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   68.522417][   T12] Modules linked in:
| [   68.522790][   T12] Tainted: [W]=WARN
[   68.522882][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.523038][   T12] Workqueue: netns cleanup_net
[   68.523163][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.523317][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.523759][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.523913][   T12] RAX: 00000000ffffffa6 RBX: ff11000004b91380 RCX: 1ff4000000018eed
[   68.524095][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000004b9143c
[   68.524275][   T12] RBP: ff1100000fd61000 R08: 1fe2200000972289 R09: ff11000001aed1d0
[   68.524452][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   68.524645][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.524830][   T12] FS:  0000000000000000(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   68.525047][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.525204][   T12] CR2: 00007ffe455b8578 CR3: 0000000009fdc004 CR4: 0000000000771ef0
[   68.525385][   T12] PKRU: 55555554
[   68.525474][   T12] Call Trace:
[   68.525567][   T12]  <TASK>
[   68.525637][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.525793][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.525944][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.526066][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.526188][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.526312][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.526439][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.526576][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.526710][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.526833][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.526956][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.527081][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.527203][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.527324][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.527448][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.527577][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.527703][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.527827][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.527953][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.528078][   T12]  kthread (kernel/kthread.c:436)
[   68.528168][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.528319][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.528441][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.528569][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.528727][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.528849][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.528976][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.542518][   T12] ------------[ cut here ]------------
| [   68.542666][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 0/12
| [   68.542916][   T12] Modules linked in:
| [   68.543333][   T12] Tainted: [W]=WARN
[   68.543429][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.543590][   T12] Workqueue: netns cleanup_net
[   68.543989][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.544155][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.544676][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.544835][   T12] RAX: 00000000ffffffa6 RBX: ff11000001e41700 RCX: 1ff4000000018eaf
[   68.545030][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000001e417bc
[   68.545220][   T12] RBP: ff1100000faa4000 R08: 1fe22000003c82f9 R09: ff11000001aed1d0
[   68.545409][   T12] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   68.545653][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000ffc1000
[   68.545846][   T12] FS:  0000000000000000(0000) GS:ff110000c6e47000(0000) knlGS:0000000000000000
[   68.546126][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.546286][   T12] CR2: 00005650d46c0d40 CR3: 0000000009fdc004 CR4: 0000000000771ef0
[   68.546477][   T12] PKRU: 55555554
[   68.546575][   T12] Call Trace:
[   68.546724][   T12]  <TASK>
[   68.546791][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.546920][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.547021][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.547148][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.547275][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.547401][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.547532][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.547714][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.547874][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.548040][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.548167][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.548324][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.548450][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.548579][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.548786][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.548919][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.549051][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.549179][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.549306][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.549432][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.549564][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.549752][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.549882][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.550011][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.550137][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.550267][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.550392][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.550525][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.550709][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.550837][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.550971][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.551102][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.551229][   T12]  kthread (kernel/kthread.c:436)
[   68.551326][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.551482][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.551667][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.551795][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.551953][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.552084][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.552215][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.555138][   T12] ------------[ cut here ]------------
| [   68.555309][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.555627][   T12] Modules linked in:
| [   68.556111][   T12] Tainted: [W]=WARN
[   68.556252][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.556454][   T12] Workqueue: netns cleanup_net
[   68.556652][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.556877][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.557382][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.557614][   T12] RAX: 00000000ffffffa6 RBX: ff110000091f6200 RCX: 1ff4000000018eaf
[   68.557846][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000091f62bc
[   68.558091][   T12] RBP: ff1100000ffc1000 R08: 1fe220000123ec59 R09: ff11000001aed1d0
[   68.558327][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.558568][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fa69000
[   68.558820][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.559100][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.559306][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.559547][   T12] PKRU: 55555554
[   68.559703][   T12] Call Trace:
[   68.559843][   T12]  <TASK>
[   68.559959][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.560159][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.560364][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.560516][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.560708][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.560880][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.561064][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.561239][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.561414][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.561639][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.561849][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.562040][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.562245][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.562422][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.562618][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.562827][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.563015][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.563222][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.563401][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.563585][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.563775][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.563952][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.564134][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.564311][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.564490][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.564691][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.564869][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.565088][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.565294][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.565475][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.565703][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.565919][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.566115][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.566291][   T12]  kthread (kernel/kthread.c:436)
[   68.566437][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.566667][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.566845][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.567037][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.567242][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.567423][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.567620][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.570752][   T12] ------------[ cut here ]------------
| [   68.570924][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.571235][   T12] Modules linked in:
| [   68.571739][   T12] Tainted: [W]=WARN
[   68.571887][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.572106][   T12] Workqueue: netns cleanup_net
[   68.572289][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.572514][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.573073][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.573291][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce62ac0 RCX: 1ff4000000018eaf
[   68.573561][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce62b7c
[   68.573807][   T12] RBP: ff1100000fa69000 R08: 1fe22000019cc571 R09: ff11000001aed1d0
[   68.574058][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   68.574292][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   68.574537][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.574822][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.575043][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.575295][   T12] PKRU: 55555554
[   68.575453][   T12] Call Trace:
[   68.575629][   T12]  <TASK>
[   68.575744][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.575920][   T12]  ? notifier_call_chain (kernel/notifier.c:85)
[   68.576109][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.576254][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.576428][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.576621][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.576809][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.576989][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.577169][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.577376][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.577611][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.577788][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.577999][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.578175][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.578349][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.578564][   T12]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   68.578754][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.578949][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.579132][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.579307][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.579484][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.579683][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.579856][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.580048][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.580224][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.580400][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.580586][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.580777][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.580954][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.581142][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.581318][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.581506][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.581706][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.581880][   T12]  kthread (kernel/kthread.c:436)
[   68.582035][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.582240][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.582416][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.582613][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.582819][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.583002][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.583180][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.586011][   T12] ------------[ cut here ]------------
| [   68.586174][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.586456][   T12] Modules linked in:
| [   68.587813][   T12] Tainted: [W]=WARN
[   68.588012][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.588263][   T12] Workqueue: netns cleanup_net
[   68.588486][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.588786][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.589325][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.589583][   T12] RAX: 00000000ffffffa6 RBX: ff1100000ce638c0 RCX: 1ff4000000018ed5
[   68.589873][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000ce6397c
[   68.590158][   T12] RBP: ff1100000faa4000 R08: 1fe22000019cc731 R09: ff11000001aed1d0
[   68.590444][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.590748][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.591066][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.591377][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.591650][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.591932][   T12] PKRU: 55555554
[   68.592127][   T12] Call Trace:
[   68.592310][   T12]  <TASK>
[   68.592467][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.592731][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.592984][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.593205][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.593420][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.593694][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.593915][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.594142][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.594361][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.594590][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.595022][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.595188][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.595361][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.595540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.595723][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.595895][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.596078][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.596250][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.596425][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.596619][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.596793][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.596971][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.597147][   T12]  kthread (kernel/kthread.c:436)
[   68.597287][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.597485][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.597681][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.597850][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.598061][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.598230][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.598400][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.601524][   T12] ------------[ cut here ]------------
| [   68.602304][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.602655][   T12] Modules linked in:
| [   68.603229][   T12] Tainted: [W]=WARN
[   68.603415][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.603684][   T12] Workqueue: netns cleanup_net
[   68.603909][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.604174][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.604732][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.604990][   T12] RAX: 00000000ffffffa6 RBX: ff11000009471a80 RCX: 1ff4000000018ed5
[   68.605279][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff11000009471b3c
[   68.605564][   T12] RBP: ff1100000ffc1000 R08: 1fe220000128e369 R09: ff11000001aed1d0
[   68.605856][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.606145][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.606421][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.606750][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.607016][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.607295][   T12] PKRU: 55555554
[   68.607479][   T12] Call Trace:
[   68.607689][   T12]  <TASK>
[   68.607847][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.608110][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.608355][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.608582][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.608817][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.609081][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.609302][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.609527][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.609758][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.610021][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.610287][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.610549][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.610735][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.610906][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.611084][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.611257][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.611431][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.611630][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.611806][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.611980][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.612164][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.612360][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.612547][   T12]  kthread (kernel/kthread.c:436)
[   68.612703][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.612904][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.613085][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.613258][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.613459][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.613649][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.613822][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.618359][   T12] ------------[ cut here ]------------
| [   68.618534][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.618955][   T12] Modules linked in:
| [   68.619639][   T12] Tainted: [W]=WARN
[   68.619899][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.620183][   T12] Workqueue: netns cleanup_net
[   68.620410][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.620806][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.621436][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.621707][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a002200 RCX: 1ff4000000018ed5
[   68.621997][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0022bc
[   68.622271][   T12] RBP: ff1100000fa69000 R08: 1fe2200001400459 R09: ff11000001aed1d0
[   68.622553][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.622842][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.623130][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.623440][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.623710][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.623996][   T12] PKRU: 55555554
[   68.624182][   T12] Call Trace:
[   68.624365][   T12]  <TASK>
[   68.624529][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.624793][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.625042][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.625260][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.625476][   T12]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   68.625750][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.625971][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.626197][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.626413][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.626658][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.626879][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.627102][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.627321][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.627544][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.627771][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.628001][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.628217][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.628435][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.628627][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.628795][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.628974][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.629156][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.629325][   T12]  kthread (kernel/kthread.c:436)
[   68.629463][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.629680][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.629849][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.630029][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.630228][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.630396][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.630574][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.678528][   T12] ------------[ cut here ]------------
| [   68.678714][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.679007][   T12] Modules linked in:
| [   68.679472][   T12] Tainted: [W]=WARN
[   68.679628][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.679824][   T12] Workqueue: netns cleanup_net
[   68.680005][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.680209][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.680721][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.680924][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a003000 RCX: 1ff4000000018eed
[   68.681163][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0030bc
[   68.681388][   T12] RBP: ff11000009ce4000 R08: 1fe2200001400619 R09: ff11000001aed1d0
[   68.681633][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.681856][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.682099][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.682356][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.682560][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.682807][   T12] PKRU: 55555554
[   68.682946][   T12] Call Trace:
[   68.683094][   T12]  <TASK>
[   68.683203][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.683405][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.683618][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.683789][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.683961][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.684139][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.684310][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.684482][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.684674][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.684840][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.685017][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.685187][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.685355][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.685532][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.685717][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.685887][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.686071][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.686238][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.686409][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.686591][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.686773][   T12]  kthread (kernel/kthread.c:436)
[   68.686914][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.687153][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.687322][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.687490][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.687709][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.687878][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.688059][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.690761][   T12] ------------[ cut here ]------------
| [   68.690921][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.691212][   T12] Modules linked in:
| [   68.691798][   T12] Tainted: [W]=WARN
[   68.691933][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.692137][   T12] Workqueue: netns cleanup_net
[   68.692310][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.692520][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.693012][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.693214][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a003700 RCX: 1ff4000000018eed
[   68.693438][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a0037bc
[   68.693678][   T12] RBP: ff11000009e81000 R08: 1fe22000014006f9 R09: ff11000001aed1d0
[   68.693898][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.694134][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.694362][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.694643][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.694840][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.695078][   T12] PKRU: 55555554
[   68.695218][   T12] Call Trace:
[   68.695354][   T12]  <TASK>
[   68.695462][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.695684][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.695883][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.696075][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.696245][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.696414][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.696610][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.696812][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.696988][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.697159][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.697359][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.697540][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.697721][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.697894][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.698075][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.698243][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.698415][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.698592][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.698776][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.698950][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.699129][   T12]  kthread (kernel/kthread.c:436)
[   68.699266][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.699462][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.699651][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.699819][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.700026][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.700226][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.700395][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.703102][   T12] ------------[ cut here ]------------
| [   68.703265][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.703545][   T12] Modules linked in:
| [   68.704021][   T12] Tainted: [W]=WARN
[   68.704157][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.704351][   T12] Workqueue: netns cleanup_net
[   68.704529][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.704742][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.705225][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.705420][   T12] RAX: 00000000ffffffa6 RBX: ff1100000a003e00 RCX: 1ff4000000018eed
[   68.705666][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff1100000a003ebc
[   68.705892][   T12] RBP: ff1100000e9e4000 R08: 1fe22000014007d9 R09: ff11000001aed1d0
[   68.706135][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.706360][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.706607][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.706862][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.707071][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.707300][   T12] PKRU: 55555554
[   68.707463][   T12] Call Trace:
[   68.707631][   T12]  <TASK>
[   68.707740][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.707943][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.708153][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.708321][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.708491][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.708677][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.708853][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.709036][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.709207][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.709372][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.709549][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.709734][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.709904][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.710084][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.710253][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.710422][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.710672][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.710843][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.711027][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.711203][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.711371][   T12]  kthread (kernel/kthread.c:436)
[   68.711518][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.711731][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.711901][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.712081][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.712279][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.712453][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.712648][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.715133][   T12] ------------[ cut here ]------------
| [   68.715293][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.715588][   T12] Modules linked in:
| [   68.716564][   T12] Tainted: [W]=WARN
[   68.716759][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.717014][   T12] Workqueue: netns cleanup_net
[   68.717236][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.717506][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.718053][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.718307][   T12] RAX: 00000000ffffffa6 RBX: ff11000009470040 RCX: 1ff4000000018eed
[   68.718585][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094700fc
[   68.718870][   T12] RBP: ff1100000e404000 R08: 1fe220000128e021 R09: ff11000001aed1d0
[   68.719152][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.719426][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.719721][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.720033][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.720280][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.720564][   T12] PKRU: 55555554
[   68.720756][   T12] Call Trace:
[   68.720939][   T12]  <TASK>
[   68.721103][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.721354][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.721620][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.721839][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.722064][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.722287][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.722515][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.722744][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.723011][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.723268][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.723554][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.723834][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.724105][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.724370][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.724654][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.724920][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.725190][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.725388][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.725572][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.725763][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.725931][   T12]  kthread (kernel/kthread.c:436)
[   68.726083][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.726359][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.726537][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.726724][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.726924][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.727109][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.727289][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.730128][   T12] ------------[ cut here ]------------
| [   68.730291][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 0/12
| [   68.731166][   T12] Modules linked in:
| [   68.731754][   T12] Tainted: [W]=WARN
[   68.731945][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.732206][   T12] Workqueue: netns cleanup_net
[   68.732430][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.732705][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.733268][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   68.733528][   T12] RAX: 00000000ffffffa6 RBX: ff11000009471540 RCX: 1ff4000000018eed
[   68.733814][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094715fc
[   68.734101][   T12] RBP: ff1100000e9a4000 R08: 1fe220000128e2c1 R09: ff11000001aed1d0
[   68.734375][   T12] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   68.734669][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.734960][   T12] FS:  0000000000000000(0000) GS:ff110000c6dc7000(0000) knlGS:0000000000000000
[   68.735291][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.735545][   T12] CR2: 00005650d46b1e98 CR3: 000000002974d005 CR4: 0000000000771ef0
[   68.735836][   T12] PKRU: 55555554
[   68.736030][   T12] Call Trace:
[   68.736229][   T12]  <TASK>
[   68.736440][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.736771][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.737081][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   68.737345][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   68.737631][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.737906][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   68.738182][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.738445][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   68.738705][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.738957][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.739185][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.739440][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.739705][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.739952][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.740204][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.740431][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.740672][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.740888][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.741119][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.741342][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.741565][   T12]  kthread (kernel/kthread.c:436)
[   68.741764][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.742026][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.742246][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.742463][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.742730][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.742975][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.743199][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.766084][   T12] ------------[ cut here ]------------
| [   68.766232][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.766488][   T12] Modules linked in:
| [   68.766890][   T12] Tainted: [W]=WARN
[   68.766995][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.767153][   T12] Workqueue: netns cleanup_net
[   68.767284][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.767449][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.767925][   T12] RSP: 0018:ffa00000000c7748 EFLAGS: 00010286
[   68.768089][   T12] RAX: 00000000ffffffa6 RBX: ff11000009471700 RCX: 1ff4000000018eaf
[   68.768278][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094717bc
[   68.768466][   T12] RBP: ff1100000eb21000 R08: 1fe220000128e2f9 R09: ff11000001aed1d0
[   68.768667][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   68.768855][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000000c77e0
[   68.769051][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.769273][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.769432][   T12] CR2: 00005616c4a7d2b8 CR3: 0000000004aae005 CR4: 0000000000771ef0
[   68.769637][   T12] PKRU: 55555554
[   68.769732][   T12] Call Trace:
[   68.769826][   T12]  <TASK>
[   68.769892][   T12]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   68.770026][   T12]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   68.770123][   T12]  netif_close_many (net/core/dev.c:1804)
[   68.770250][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.770376][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.770510][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.770641][   T12]  ? __dev_close_many (net/core/dev.c:1781)
[   68.770768][   T12]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   68.770927][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   68.771091][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   68.771218][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   68.771344][   T12]  ? default_device_exit_net (net/core/dev.c:13033 (discriminator 1))
[   68.771472][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.771645][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.771779][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.771907][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.772038][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.772165][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.772293][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.772422][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.772556][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.772745][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.772874][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.773005][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.773133][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.773260][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.773389][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.773531][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.773734][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.773866][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.774002][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.774127][   T12]  kthread (kernel/kthread.c:436)
[   68.774221][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.774379][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.774523][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.774706][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.774915][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.775044][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.775172][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   68.777699][   T12] ------------[ cut here ]------------
| [   68.777828][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   68.778071][   T12] Modules linked in:
| [   68.778441][   T12] Tainted: [W]=WARN
[   68.778539][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   68.779075][   T12] Workqueue: netns cleanup_net
[   68.779203][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   68.779361][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 e8 b2 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b324
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 e8 b2 f0 ff       	call   0xfffffffffff0b2fa
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   68.779809][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   68.779968][   T12] RAX: 00000000ffffffa6 RBX: ff11000009455700 RCX: 1ff4000000018ed5
[   68.780150][   T12] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ff110000094557bc
[   68.780330][   T12] RBP: ff1100000eb21000 R08: 1fe220000128aaf9 R09: ff11000001aed1d0
[   68.780516][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   68.780702][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   68.780884][   T12] FS:  0000000000000000(0000) GS:ff110000c6d47000(0000) knlGS:0000000000000000
[   68.781098][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   68.781251][   T12] CR2: 00005616c4a7d2b8 CR3: 0000000004aae005 CR4: 0000000000771ef0
[   68.781433][   T12] PKRU: 55555554
[   68.781530][   T12] Call Trace:
[   68.781626][   T12]  <TASK>
[   68.781690][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   68.781845][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   68.782005][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.782130][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   68.782252][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   68.782375][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   68.782496][   T12]  ? fou_exit_net (net/ipv4/fou_core.c:1228)
[   68.782630][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   68.782755][   T12]  ? netns_install (./include/linux/ns_common.h:26)
[   68.782875][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   68.783006][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   68.783129][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   68.783251][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   68.783374][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   68.783495][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   68.783629][   T12]  process_one_work (kernel/workqueue.c:3314)
[   68.783772][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   68.783894][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   68.784043][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   68.784171][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   68.784292][   T12]  kthread (kernel/kthread.c:436)
[   68.784385][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   68.784540][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   68.784668][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   68.784789][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   68.784944][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   68.785072][   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:netif_close_many:unregister_netdevice_many_notify:default_device_exit_batch
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
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:rtnetlink_event:notifier_call_chain:netif_change_name:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:vti6_init_net
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