======================================
| 0
| xx__-> [   10.090523][  T194] ------------[ cut here ]------------
| [   10.090785][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [   10.091478][  T194] Tainted: [W]=WARN
[   10.091626][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.091885][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.092117][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.092638][  T194] RSP: 0018:ffa0000000897ab0 EFLAGS: 00010286
[   10.092868][  T194] RAX: 00000000ffffffa6 RBX: ff1100000a7ffe00 RCX: 1ff4000000112f1c
[   10.093119][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a7ffeb8
[   10.093365][  T194] RBP: ff1100000c501000 R08: 1fe22000014fffd8 R09: ff1100000c740b80
[   10.093616][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.093885][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c501000
[   10.094148][  T194] FS:  00007fe7dc795840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   10.094428][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.094640][  T194] CR2: 0000000000479648 CR3: 00000000051c7001 CR4: 0000000000771ef0
[   10.094889][  T194] PKRU: 55555554
[   10.095040][  T194] Call Trace:
[   10.095184][  T194]  <TASK>
[   10.095298][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.095476][  T194]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.095677][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.095837][  T194]  register_netdevice (net/core/dev.c:11488)
[   10.096026][  T194]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.096240][  T194]  register_netdev (net/core/dev.c:11552)
[   10.096417][  T194]  loopback_net_init (drivers/net/loopback.c:218)
[   10.096610][  T194]  ops_init (net/core/net_namespace.c:137)
[   10.096778][  T194]  setup_net (net/core/net_namespace.c:446)
[   10.096938][  T194]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.097119][  T194]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.097295][  T194]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.097471][  T194]  copy_net_ns (net/core/net_namespace.c:579)
[   10.097646][  T194]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.097843][  T194]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.098028][  T194]  ksys_unshare (kernel/fork.c:3243)
[   10.098205][  T194]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.098381][  T194]  ? __ia32_sys_open (fs/open.c:1374)
[   10.098559][  T194]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.098735][  T194]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.098926][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.099116][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.099297][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.099475][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.099682][  T194] RIP: 0033:0x7fe7dca57bcb
[   10.099895][  T194] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.100449][  T194] RSP: 002b:00007ffd4e7edf78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.100693][  T194] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe7dca57bcb
[   10.100958][  T194] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.101224][  T194] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.101481][  T194] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd4e7f01a0
[   10.101728][  T194] R13: 0000000000000001 R14: 00007fe7dc7956f8 R15: 00007ffd4e7f089d
| [   10.103398][  T194] ---[ end trace 0000000000000000 ]---
| [   10.111543][  T194] ------------[ cut here ]------------
| [   10.111739][  T194] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/194
| [   10.112347][  T194] Tainted: [W]=WARN
[   10.112492][  T194] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.112701][  T194] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.112934][  T194] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.113444][  T194] RSP: 0018:ffa0000000897a98 EFLAGS: 00010286
[   10.113651][  T194] RAX: 00000000ffffffa6 RBX: ff110000097aaac0 RCX: 1ff4000000112f19
[   10.113901][  T194] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097aab78
[   10.114176][  T194] RBP: ff1100000283c000 R08: 1fe22000012f5570 R09: ff1100000c740b80
[   10.114419][  T194] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.114658][  T194] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000283c000
[   10.114909][  T194] FS:  00007fe7dc795840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   10.115281][  T194] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.115521][  T194] CR2: 0000000000479648 CR3: 00000000051c7001 CR4: 0000000000771ef0
[   10.115760][  T194] PKRU: 55555554
[   10.115916][  T194] Call Trace:
[   10.116065][  T194]  <TASK>
[   10.116194][  T194]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.116373][  T194]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.116550][  T194]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.116694][  T194]  register_netdevice (net/core/dev.c:11488)
[   10.116882][  T194]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.117098][  T194]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.117299][  T194]  register_netdev (net/core/dev.c:11552)
[   10.117482][  T194]  sit_init_net (net/ipv6/sit.c:1860)
[   10.117666][  T194]  ops_init (net/core/net_namespace.c:137)
[   10.117830][  T194]  setup_net (net/core/net_namespace.c:446)
[   10.117987][  T194]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.118166][  T194]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.118380][  T194]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.118559][  T194]  copy_net_ns (net/core/net_namespace.c:579)
[   10.118735][  T194]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.118921][  T194]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.119107][  T194]  ksys_unshare (kernel/fork.c:3243)
[   10.119298][  T194]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.119483][  T194]  ? __ia32_sys_open (fs/open.c:1374)
[   10.119667][  T194]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.119856][  T194]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.120045][  T194]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.120223][  T194]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.120399][  T194]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.120576][  T194]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.120781][  T194] RIP: 0033:0x7fe7dca57bcb
[   10.120990][  T194] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.121490][  T194] RSP: 002b:00007ffd4e7edf78 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.121732][  T194] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe7dca57bcb
[   10.121998][  T194] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.122254][  T194] RBP: 0000000000000001 R08: 0000000000000000 R09: 0000000000000000
[   10.122491][  T194] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffd4e7f01a0
[   10.122727][  T194] R13: 0000000000000001 R14: 00007fe7dc7956f8 R15: 00007ffd4e7f089d
| [   10.124396][  T194] ---[ end trace 0000000000000000 ]---
| [   10.191972][  T198] ------------[ cut here ]------------
| [   10.192148][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [   10.192656][  T198] Tainted: [W]=WARN
[   10.192757][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.192934][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.193150][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.193628][  T198] RSP: 0018:ffa00000008b7ab0 EFLAGS: 00010286
[   10.193800][  T198] RAX: 00000000ffffffa6 RBX: ff110000097aa040 RCX: 1ff4000000116f1c
[   10.194013][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097aa0f8
[   10.194215][  T198] RBP: ff1100000c5cc000 R08: 1fe22000012f5420 R09: ff1100000c6dd180
[   10.194417][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.194617][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c5cc000
[   10.195021][  T198] FS:  00007fdf181ae840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.195263][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.195433][  T198] CR2: 00007fdf183afc20 CR3: 0000000008e0a006 CR4: 0000000000771ef0
[   10.195635][  T198] PKRU: 55555554
[   10.195737][  T198] Call Trace:
[   10.195844][  T198]  <TASK>
[   10.195914][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.196054][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.196191][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.196293][  T198]  register_netdevice (net/core/dev.c:11488)
[   10.196428][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.196596][  T198]  register_netdev (net/core/dev.c:11552)
[   10.196730][  T198]  loopback_net_init (drivers/net/loopback.c:218)
[   10.196872][  T198]  ops_init (net/core/net_namespace.c:137)
[   10.196979][  T198]  setup_net (net/core/net_namespace.c:446)
[   10.197081][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.197216][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.197351][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.197486][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[   10.197622][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.197759][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.197900][  T198]  ksys_unshare (kernel/fork.c:3243)
[   10.198041][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.198178][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[   10.198314][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.198448][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.198581][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.198714][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.198852][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.198992][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.199160][  T198] RIP: 0033:0x7fdf18470bcb
[   10.199299][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.199773][  T198] RSP: 002b:00007ffc9c8ef968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.199986][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdf18470bcb
[   10.200187][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.200388][  T198] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.200588][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9c8f1b90
[   10.200787][  T198] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9c8f389d
| [   10.202141][  T198] ---[ end trace 0000000000000000 ]---
| [   10.205027][  T198] ------------[ cut here ]------------
| [   10.205172][  T198] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/198
| [   10.205672][  T198] Tainted: [W]=WARN
[   10.205772][  T198] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.205944][  T198] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.206120][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.206594][  T198] RSP: 0018:ffa00000008b7a98 EFLAGS: 00010286
[   10.206760][  T198] RAX: 00000000ffffffa6 RBX: ff1100000a742200 RCX: 1ff4000000116f19
[   10.206967][  T198] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a7422b8
[   10.207165][  T198] RBP: ff1100000c981000 R08: 1fe22000014e8458 R09: ff1100000c6dd180
[   10.207365][  T198] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.207562][  T198] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c981000
[   10.207761][  T198] FS:  00007fdf181ae840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.208003][  T198] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.208169][  T198] CR2: 00007fdf183afc20 CR3: 0000000008e0a006 CR4: 0000000000771ef0
[   10.208370][  T198] PKRU: 55555554
[   10.208468][  T198] Call Trace:
[   10.208568][  T198]  <TASK>
[   10.208636][  T198]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.208769][  T198]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.208909][  T198]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.209015][  T198]  register_netdevice (net/core/dev.c:11488)
[   10.209149][  T198]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.209314][  T198]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.209447][  T198]  register_netdev (net/core/dev.c:11552)
[   10.209579][  T198]  sit_init_net (net/ipv6/sit.c:1860)
[   10.209715][  T198]  ops_init (net/core/net_namespace.c:137)
[   10.209819][  T198]  setup_net (net/core/net_namespace.c:446)
[   10.209921][  T198]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.210058][  T198]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.210191][  T198]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.210325][  T198]  copy_net_ns (net/core/net_namespace.c:579)
[   10.210457][  T198]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.210591][  T198]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.210723][  T198]  ksys_unshare (kernel/fork.c:3243)
[   10.210861][  T198]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.210998][  T198]  ? __ia32_sys_open (fs/open.c:1374)
[   10.211130][  T198]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.211264][  T198]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.211397][  T198]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.211529][  T198]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.211663][  T198]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.211800][  T198]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.211974][  T198] RIP: 0033:0x7fdf18470bcb
[   10.212111][  T198] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.212584][  T198] RSP: 002b:00007ffc9c8ef968 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.212784][  T198] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fdf18470bcb
[   10.212991][  T198] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.213189][  T198] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.213385][  T198] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9c8f1b90
[   10.213584][  T198] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc9c8f389d
| [   10.214925][  T198] ---[ end trace 0000000000000000 ]---
| [   10.267098][  T202] ------------[ cut here ]------------
| [   10.267260][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [   10.267769][  T202] Tainted: [W]=WARN
[   10.267879][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.268053][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.268228][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.268702][  T202] RSP: 0018:ffa0000000877ab0 EFLAGS: 00010286
[   10.268877][  T202] RAX: 00000000ffffffa6 RBX: ff1100000a743e00 RCX: 1ff400000010ef1c
[   10.269082][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a743eb8
[   10.269282][  T202] RBP: ff1100000d504000 R08: 1fe22000014e87d8 R09: ff1100000284d180
[   10.269481][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.269678][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d504000
[   10.269885][  T202] FS:  00007f03ab578840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   10.270123][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.270289][  T202] CR2: 00007f03ab7827d0 CR3: 000000000c017001 CR4: 0000000000771ef0
[   10.270490][  T202] PKRU: 55555554
[   10.270590][  T202] Call Trace:
[   10.270692][  T202]  <TASK>
[   10.270761][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.270902][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.271042][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.271144][  T202]  register_netdevice (net/core/dev.c:11488)
[   10.271279][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.271448][  T202]  register_netdev (net/core/dev.c:11552)
[   10.271582][  T202]  loopback_net_init (drivers/net/loopback.c:218)
[   10.271717][  T202]  ops_init (net/core/net_namespace.c:137)
[   10.271822][  T202]  setup_net (net/core/net_namespace.c:446)
[   10.271925][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.272062][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.272197][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.272333][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[   10.272466][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.272600][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.272734][  T202]  ksys_unshare (kernel/fork.c:3243)
[   10.272874][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.273014][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[   10.273149][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.273284][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.273417][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.273548][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.273682][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.274140][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.274308][  T202] RIP: 0033:0x7f03ab83abcb
[   10.274447][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.274921][  T202] RSP: 002b:00007ffc0a58ef98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.275128][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f03ab83abcb
[   10.275326][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.275524][  T202] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.275722][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0a5911c0
[   10.275928][  T202] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0a59289d
| [   10.277285][  T202] ---[ end trace 0000000000000000 ]---
| [   10.280083][  T202] ------------[ cut here ]------------
| [   10.280226][  T202] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/202
| [   10.280725][  T202] Tainted: [W]=WARN
[   10.280833][  T202] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.281004][  T202] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.281177][  T202] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.281650][  T202] RSP: 0018:ffa0000000877a98 EFLAGS: 00010286
[   10.281823][  T202] RAX: 00000000ffffffa6 RBX: ff110000091f0900 RCX: 1ff400000010ef19
[   10.282026][  T202] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f09b8
[   10.282225][  T202] RBP: ff1100000c9e1000 R08: 1fe220000123e138 R09: ff1100000284d180
[   10.282424][  T202] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.282621][  T202] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c9e1000
[   10.282978][  T202] FS:  00007f03ab578840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   10.283214][  T202] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.283382][  T202] CR2: 00007f03ab7827d0 CR3: 000000000c017001 CR4: 0000000000771ef0
[   10.283581][  T202] PKRU: 55555554
[   10.283681][  T202] Call Trace:
[   10.283780][  T202]  <TASK>
[   10.283855][  T202]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.283996][  T202]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.284129][  T202]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.284230][  T202]  register_netdevice (net/core/dev.c:11488)
[   10.284363][  T202]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.284527][  T202]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.284660][  T202]  register_netdev (net/core/dev.c:11552)
[   10.284794][  T202]  sit_init_net (net/ipv6/sit.c:1860)
[   10.284936][  T202]  ops_init (net/core/net_namespace.c:137)
[   10.285044][  T202]  setup_net (net/core/net_namespace.c:446)
[   10.285145][  T202]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.285277][  T202]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.285410][  T202]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.285544][  T202]  copy_net_ns (net/core/net_namespace.c:579)
[   10.285678][  T202]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.285819][  T202]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.285956][  T202]  ksys_unshare (kernel/fork.c:3243)
[   10.286090][  T202]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.286223][  T202]  ? __ia32_sys_open (fs/open.c:1374)
[   10.286359][  T202]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.286492][  T202]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.286625][  T202]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.286757][  T202]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.286898][  T202]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.287038][  T202]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.287203][  T202] RIP: 0033:0x7f03ab83abcb
[   10.287341][  T202] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.287823][  T202] RSP: 002b:00007ffc0a58ef98 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.288026][  T202] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f03ab83abcb
[   10.288224][  T202] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.288421][  T202] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.288619][  T202] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0a5911c0
[   10.288823][  T202] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc0a59289d
| [   10.290158][  T202] ---[ end trace 0000000000000000 ]---
| [   10.356256][  T206] ------------[ cut here ]------------
| [   10.356426][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.356941][  T206] Tainted: [W]=WARN
[   10.357049][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.357218][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.357392][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.357875][  T206] RSP: 0018:ffa0000000907ab0 EFLAGS: 00010286
[   10.358101][  T206] RAX: 00000000ffffffa6 RBX: ff110000091f1a80 RCX: 1ff4000000120f1c
[   10.358349][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f1b38
[   10.358550][  T206] RBP: ff1100000d59c000 R08: 1fe220000123e368 R09: ff1100000255ae80
[   10.358747][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.358955][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d59c000
[   10.359155][  T206] FS:  00007fe45c460840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   10.359390][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.359558][  T206] CR2: 00007fe45c667430 CR3: 000000000ba82005 CR4: 0000000000771ef0
[   10.359763][  T206] PKRU: 55555554
[   10.359872][  T206] Call Trace:
[   10.359976][  T206]  <TASK>
[   10.360046][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.360179][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.360313][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.360416][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.360555][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.360724][  T206]  register_netdev (net/core/dev.c:11552)
[   10.360866][  T206]  loopback_net_init (drivers/net/loopback.c:218)
[   10.361006][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.361109][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.361209][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.361344][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.361477][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.361613][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.361750][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.361891][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.362031][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.362167][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.362303][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.362439][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.362573][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.362707][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.362848][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.362988][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.363123][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.363289][  T206] RIP: 0033:0x7fe45c722bcb
[   10.363427][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.363910][  T206] RSP: 002b:00007ffc1b6ae058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.364117][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe45c722bcb
[   10.364320][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.364518][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.364716][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1b6b0280
[   10.364918][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1b6b089d
| [   10.366260][  T206] ---[ end trace 0000000000000000 ]---
| [   10.369069][  T206] ------------[ cut here ]------------
| [   10.369220][  T206] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/206
| [   10.369725][  T206] Tainted: [W]=WARN
[   10.369831][  T206] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.370003][  T206] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.370175][  T206] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.370649][  T206] RSP: 0018:ffa0000000907a98 EFLAGS: 00010286
[   10.370822][  T206] RAX: 00000000ffffffa6 RBX: ff110000092eac80 RCX: 1ff4000000120f19
[   10.371027][  T206] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092ead38
[   10.371225][  T206] RBP: ff11000009f81000 R08: 1fe220000125d5a8 R09: ff1100000255ae80
[   10.371425][  T206] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   10.371622][  T206] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009f81000
[   10.371829][  T206] FS:  00007fe45c460840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   10.372062][  T206] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.372228][  T206] CR2: 00007fe45c667430 CR3: 000000000ba82005 CR4: 0000000000771ef0
[   10.372425][  T206] PKRU: 55555554
[   10.372523][  T206] Call Trace:
[   10.372622][  T206]  <TASK>
[   10.372691][  T206]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.372831][  T206]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.372968][  T206]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.373070][  T206]  register_netdevice (net/core/dev.c:11488)
[   10.373206][  T206]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.373372][  T206]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.373506][  T206]  register_netdev (net/core/dev.c:11552)
[   10.373639][  T206]  sit_init_net (net/ipv6/sit.c:1860)
[   10.373775][  T206]  ops_init (net/core/net_namespace.c:137)
[   10.373882][  T206]  setup_net (net/core/net_namespace.c:446)
[   10.373988][  T206]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.374121][  T206]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.374254][  T206]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.374389][  T206]  copy_net_ns (net/core/net_namespace.c:579)
[   10.374522][  T206]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.374657][  T206]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.374790][  T206]  ksys_unshare (kernel/fork.c:3243)
[   10.374931][  T206]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.375069][  T206]  ? __ia32_sys_open (fs/open.c:1374)
[   10.375203][  T206]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.375336][  T206]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.375469][  T206]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.375602][  T206]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.375735][  T206]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.375873][  T206]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.376043][  T206] RIP: 0033:0x7fe45c722bcb
[   10.376182][  T206] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.376653][  T206] RSP: 002b:00007ffc1b6ae058 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.376858][  T206] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fe45c722bcb
[   10.377062][  T206] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.377261][  T206] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.377458][  T206] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc1b6b0280
[   10.377656][  T206] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc1b6b089d
| [   10.379005][  T206] ---[ end trace 0000000000000000 ]---
| [   10.440842][  T210] ------------[ cut here ]------------
| [   10.441009][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [   10.441518][  T210] Tainted: [W]=WARN
[   10.441621][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.441791][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.441980][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.442453][  T210] RSP: 0018:ffa0000000937ab0 EFLAGS: 00010286
[   10.442622][  T210] RAX: 00000000ffffffa6 RBX: ff11000008bf4200 RCX: 1ff4000000126f1c
[   10.442827][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bf42b8
[   10.443031][  T210] RBP: ff11000002504000 R08: 1fe220000117e858 R09: ff1100000c9bd180
[   10.443232][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.443431][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002504000
[   10.443630][  T210] FS:  00007f19ba918840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.443871][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.444044][  T210] CR2: 00007f19bab227d0 CR3: 000000000b30d006 CR4: 0000000000771ef0
[   10.444244][  T210] PKRU: 55555554
[   10.444343][  T210] Call Trace:
[   10.444441][  T210]  <TASK>
[   10.444510][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.444647][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.444781][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.444886][  T210]  register_netdevice (net/core/dev.c:11488)
[   10.445024][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.445193][  T210]  register_netdev (net/core/dev.c:11552)
[   10.445326][  T210]  loopback_net_init (drivers/net/loopback.c:218)
[   10.445459][  T210]  ops_init (net/core/net_namespace.c:137)
[   10.445562][  T210]  setup_net (net/core/net_namespace.c:446)
[   10.445663][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.445796][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.446289][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.446428][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   10.446561][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.446696][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.446835][  T210]  ksys_unshare (kernel/fork.c:3243)
[   10.446973][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.447107][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   10.447241][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.447374][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.447507][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.447640][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.447772][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.447910][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.448092][  T210] RIP: 0033:0x7f19babdabcb
[   10.448230][  T210] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.448700][  T210] RSP: 002b:00007ffe99c0f7b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.448907][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19babdabcb
[   10.449112][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.449309][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.449508][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe99c119e0
[   10.449708][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe99c1289d
| [   10.451055][  T210] ---[ end trace 0000000000000000 ]---
| [   10.453972][  T210] ------------[ cut here ]------------
| [   10.454116][  T210] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/210
| [   10.454614][  T210] Tainted: [W]=WARN
[   10.454715][  T210] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.454885][  T210] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.455063][  T210] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.455534][  T210] RSP: 0018:ffa0000000937a98 EFLAGS: 00010286
[   10.455701][  T210] RAX: 00000000ffffffa6 RBX: ff11000008bf5000 RCX: 1ff4000000126f19
[   10.455906][  T210] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bf50b8
[   10.456109][  T210] RBP: ff11000007bf1000 R08: 1fe220000117ea18 R09: ff1100000c9bd180
[   10.456307][  T210] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.456504][  T210] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007bf1000
[   10.456701][  T210] FS:  00007f19ba918840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.456938][  T210] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.457109][  T210] CR2: 00007f19bab227d0 CR3: 000000000b30d006 CR4: 0000000000771ef0
[   10.457308][  T210] PKRU: 55555554
[   10.457406][  T210] Call Trace:
[   10.457506][  T210]  <TASK>
[   10.457574][  T210]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.457708][  T210]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.457847][  T210]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.457951][  T210]  register_netdevice (net/core/dev.c:11488)
[   10.458085][  T210]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.458250][  T210]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.458385][  T210]  register_netdev (net/core/dev.c:11552)
[   10.458517][  T210]  sit_init_net (net/ipv6/sit.c:1860)
[   10.458653][  T210]  ops_init (net/core/net_namespace.c:137)
[   10.458753][  T210]  setup_net (net/core/net_namespace.c:446)
[   10.458859][  T210]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.458994][  T210]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.459128][  T210]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.459261][  T210]  copy_net_ns (net/core/net_namespace.c:579)
[   10.459394][  T210]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.459530][  T210]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.459663][  T210]  ksys_unshare (kernel/fork.c:3243)
[   10.459795][  T210]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.459933][  T210]  ? __ia32_sys_open (fs/open.c:1374)
[   10.460072][  T210]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.460204][  T210]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.460337][  T210]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.460468][  T210]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.460602][  T210]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.460736][  T210]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.460906][  T210] RIP: 0033:0x7f19babdabcb
[   10.461047][  T210] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.461520][  T210] RSP: 002b:00007ffe99c0f7b8 EFLAGS: 00000206 ORIG_RAX: 0000000000000110
[   10.461717][  T210] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f19babdabcb
[   10.461919][  T210] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.462120][  T210] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.462318][  T210] R10: 0000000000000000 R11: 0000000000000206 R12: 00007ffe99c119e0
[   10.462513][  T210] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffe99c1289d
| [   10.463831][  T210] ---[ end trace 0000000000000000 ]---
| [   10.520342][  T214] ------------[ cut here ]------------
| [   10.520534][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.521796][  T214] Tainted: [W]=WARN
[   10.522001][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.522219][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.522438][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.522968][  T214] RSP: 0018:ffa0000000597ab0 EFLAGS: 00010286
[   10.523181][  T214] RAX: 00000000ffffffa6 RBX: ff1100000a53c580 RCX: 1ff40000000b2f1c
[   10.523424][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a53c638
[   10.523676][  T214] RBP: ff11000007591000 R08: 1fe22000014a78c8 R09: ff1100000c2e0b80
[   10.523934][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.524183][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000007591000
[   10.524428][  T214] FS:  00007fc801bb4840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   10.524703][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.524926][  T214] CR2: 00007fc801dc0690 CR3: 0000000004b1c002 CR4: 0000000000771ef0
[   10.525182][  T214] PKRU: 55555554
[   10.525326][  T214] Call Trace:
[   10.525475][  T214]  <TASK>
[   10.525588][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.525767][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.525962][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.526112][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.526297][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.526509][  T214]  register_netdev (net/core/dev.c:11552)
[   10.526689][  T214]  loopback_net_init (drivers/net/loopback.c:218)
[   10.526884][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.527042][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.527193][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.527371][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.527563][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.527744][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.527937][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.528129][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.528308][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.528489][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.528672][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.528866][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.529053][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.529233][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.529417][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.529608][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.529789][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.530027][  T214] RIP: 0033:0x7fc801e76bcb
[   10.530211][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.530724][  T214] RSP: 002b:00007ffc3e03e6f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.530993][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc801e76bcb
[   10.531236][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.531478][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.531722][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3e040920
[   10.531995][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3e04189d
| [   10.533652][  T214] ---[ end trace 0000000000000000 ]---
| [   10.536892][  T214] ------------[ cut here ]------------
| [   10.537080][  T214] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/214
| [   10.537666][  T214] Tainted: [W]=WARN
[   10.537825][  T214] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.538046][  T214] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.538276][  T214] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.538785][  T214] RSP: 0018:ffa0000000597a98 EFLAGS: 00010286
[   10.539019][  T214] RAX: 00000000ffffffa6 RBX: ff1100000a53d380 RCX: 1ff40000000b2f19
[   10.539265][  T214] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a53d438
[   10.539511][  T214] RBP: ff11000001dc4000 R08: 1fe22000014a7a88 R09: ff1100000c2e0b80
[   10.539753][  T214] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   10.540080][  T214] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000001dc4000
[   10.540393][  T214] FS:  00007fc801bb4840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   10.540723][  T214] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.541009][  T214] CR2: 00007fc801dc0690 CR3: 0000000004b1c002 CR4: 0000000000771ef0
[   10.541308][  T214] PKRU: 55555554
[   10.541505][  T214] Call Trace:
[   10.541704][  T214]  <TASK>
[   10.541882][  T214]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.542128][  T214]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.542360][  T214]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.542558][  T214]  register_netdevice (net/core/dev.c:11488)
[   10.542789][  T214]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.543074][  T214]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.543310][  T214]  register_netdev (net/core/dev.c:11552)
[   10.543542][  T214]  sit_init_net (net/ipv6/sit.c:1860)
[   10.543776][  T214]  ops_init (net/core/net_namespace.c:137)
[   10.543997][  T214]  setup_net (net/core/net_namespace.c:446)
[   10.544198][  T214]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.544426][  T214]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.544657][  T214]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.544901][  T214]  copy_net_ns (net/core/net_namespace.c:579)
[   10.545144][  T214]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.545379][  T214]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.545614][  T214]  ksys_unshare (kernel/fork.c:3243)
[   10.545860][  T214]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.546101][  T214]  ? __ia32_sys_open (fs/open.c:1374)
[   10.546334][  T214]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.546564][  T214]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.546800][  T214]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.547102][  T214]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.547311][  T214]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.547491][  T214]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.547699][  T214] RIP: 0033:0x7fc801e76bcb
[   10.547893][  T214] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.548416][  T214] RSP: 002b:00007ffc3e03e6f8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.548660][  T214] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc801e76bcb
[   10.548915][  T214] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.549162][  T214] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.549405][  T214] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc3e040920
[   10.549646][  T214] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffc3e04189d
| [   10.551320][  T214] ---[ end trace 0000000000000000 ]---
| [   10.613593][  T218] ------------[ cut here ]------------
| [   10.613762][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/218
| [   10.614275][  T218] Tainted: [W]=WARN
[   10.614376][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.614543][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.614716][  T218] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.615196][  T218] RSP: 0018:ffa0000000977ab0 EFLAGS: 00010286
[   10.615366][  T218] RAX: 00000000ffffffa6 RBX: ff1100000c07e900 RCX: 1ff400000012ef1c
[   10.615564][  T218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c07e9b8
[   10.615762][  T218] RBP: ff11000008974000 R08: 1fe220000180fd38 R09: ff1100000c5f2e80
[   10.615970][  T218] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.616168][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008974000
[   10.616365][  T218] FS:  00007fc86a475840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.616595][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.616762][  T218] CR2: 00007fc86a681690 CR3: 000000000c56e001 CR4: 0000000000771ef0
[   10.616973][  T218] PKRU: 55555554
[   10.617073][  T218] Call Trace:
[   10.617172][  T218]  <TASK>
[   10.617239][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.617372][  T218]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.617504][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.617605][  T218]  register_netdevice (net/core/dev.c:11488)
[   10.617740][  T218]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.617913][  T218]  register_netdev (net/core/dev.c:11552)
[   10.618051][  T218]  loopback_net_init (drivers/net/loopback.c:218)
[   10.618185][  T218]  ops_init (net/core/net_namespace.c:137)
[   10.618285][  T218]  setup_net (net/core/net_namespace.c:446)
[   10.618385][  T218]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.618517][  T218]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.618651][  T218]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.618785][  T218]  copy_net_ns (net/core/net_namespace.c:579)
[   10.618923][  T218]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.619064][  T218]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.619198][  T218]  ksys_unshare (kernel/fork.c:3243)
[   10.619331][  T218]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.619465][  T218]  ? __ia32_sys_open (fs/open.c:1374)
[   10.619599][  T218]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.619731][  T218]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.620012][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.620145][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.620278][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.620410][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.620574][  T218] RIP: 0033:0x7fc86a737bcb
[   10.620711][  T218] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.621189][  T218] RSP: 002b:00007ffd9c250df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.621388][  T218] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc86a737bcb
[   10.621585][  T218] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.621783][  T218] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.621988][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9c253020
[   10.622186][  T218] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9c25389d
| [   10.623511][  T218] ---[ end trace 0000000000000000 ]---
| [   10.626345][  T218] ------------[ cut here ]------------
| [   10.626496][  T218] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/218
| [   10.627001][  T218] Tainted: [W]=WARN
[   10.627100][  T218] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.627265][  T218] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.627434][  T218] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.627906][  T218] RSP: 0018:ffa0000000977a98 EFLAGS: 00010286
[   10.628075][  T218] RAX: 00000000ffffffa6 RBX: ff1100000c07f700 RCX: 1ff400000012ef19
[   10.628272][  T218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c07f7b8
[   10.628467][  T218] RBP: ff1100000890c000 R08: 1fe220000180fef8 R09: ff1100000c5f2e80
[   10.628663][  T218] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   10.628863][  T218] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000890c000
[   10.629064][  T218] FS:  00007fc86a475840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.629294][  T218] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.629459][  T218] CR2: 00007fc86a681690 CR3: 000000000c56e001 CR4: 0000000000771ef0
[   10.629657][  T218] PKRU: 55555554
[   10.629756][  T218] Call Trace:
[   10.629859][  T218]  <TASK>
[   10.629926][  T218]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.630061][  T218]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.630193][  T218]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.630293][  T218]  register_netdevice (net/core/dev.c:11488)
[   10.630428][  T218]  ? unregister_netdevice_queue (./include/linux/list.h:162)
[   10.630593][  T218]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.630725][  T218]  register_netdev (net/core/dev.c:11552)
[   10.630863][  T218]  sit_init_net (net/ipv6/sit.c:1860)
[   10.631000][  T218]  ops_init (net/core/net_namespace.c:137)
[   10.631101][  T218]  setup_net (net/core/net_namespace.c:446)
[   10.631201][  T218]  ? unregister_pernet_device (net/core/net_namespace.c:1503)
[   10.631334][  T218]  ? lockdep_init_map_type (kernel/locking/lockdep.c:4973)
[   10.631467][  T218]  ? mutex_init_lockdep (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 kernel/locking/mutex.c:185)
[   10.631600][  T218]  copy_net_ns (net/core/net_namespace.c:579)
[   10.631733][  T218]  create_new_namespaces (kernel/nsproxy.c:132)
[   10.631874][  T218]  unshare_nsproxy_namespaces (kernel/nsproxy.c:234 (discriminator 4))
[   10.632010][  T218]  ksys_unshare (kernel/fork.c:3243)
[   10.632145][  T218]  ? walk_process_tree (kernel/fork.c:3036 (discriminator 19))
[   10.632278][  T218]  ? __ia32_sys_open (fs/open.c:1374)
[   10.632412][  T218]  __x64_sys_unshare (kernel/fork.c:3317 kernel/fork.c:3315 kernel/fork.c:3315)
[   10.632543][  T218]  ? do_syscall_64 (./include/linux/entry-common.h:177 arch/x86/entry/syscall_64.c:89)
[   10.632674][  T218]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.632810][  T218]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.632942][  T218]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.633079][  T218]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.633242][  T218] RIP: 0033:0x7fc86a737bcb
[   10.633380][  T218] Code: 73 01 c3 48 8b 0d 2d 82 0f 00 f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 90 f3 0f 1e fa b8 10 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 8b 0d fd 81 0f 00 f7 d8 64 89 01 48
All code
========
   0:	73 01                	jae    0x3
   2:	c3                   	ret
   3:	48 8b 0d 2d 82 0f 00 	mov    0xf822d(%rip),%rcx        # 0xf8237
   a:	f7 d8                	neg    %eax
   c:	64 89 01             	mov    %eax,%fs:(%rcx)
   f:	48 83 c8 ff          	or     $0xffffffffffffffff,%rax
  13:	c3                   	ret
  14:	66 2e 0f 1f 84 00 00 	cs nopw 0x0(%rax,%rax,1)
  1b:	00 00 00 
  1e:	90                   	nop
  1f:	f3 0f 1e fa          	endbr64
  23:	b8 10 01 00 00       	mov    $0x110,%eax
  28:	0f 05                	syscall
  2a:*	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax		<-- trapping instruction
  30:	73 01                	jae    0x33
  32:	c3                   	ret
  33:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf8237
  3a:	f7 d8                	neg    %eax
  3c:	64 89 01             	mov    %eax,%fs:(%rcx)
  3f:	48                   	rex.W

Code starting with the faulting instruction
===========================================
   0:	48 3d 01 f0 ff ff    	cmp    $0xfffffffffffff001,%rax
   6:	73 01                	jae    0x9
   8:	c3                   	ret
   9:	48 8b 0d fd 81 0f 00 	mov    0xf81fd(%rip),%rcx        # 0xf820d
  10:	f7 d8                	neg    %eax
  12:	64 89 01             	mov    %eax,%fs:(%rcx)
  15:	48                   	rex.W
[   10.633851][  T218] RSP: 002b:00007ffd9c250df8 EFLAGS: 00000202 ORIG_RAX: 0000000000000110
[   10.634054][  T218] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc86a737bcb
[   10.634251][  T218] RDX: 0000000000000000 RSI: 0000000000477309 RDI: 0000000040000000
[   10.634446][  T218] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000
[   10.634642][  T218] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9c253020
[   10.634842][  T218] R13: 0000000000000001 R14: 0000000000000003 R15: 00007ffd9c25389d
| [   10.636164][  T218] ---[ end trace 0000000000000000 ]---
| [   10.733773][  T226] ------------[ cut here ]------------
| [   10.734021][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/226
| [   10.734584][  T226] Tainted: [W]=WARN
[   10.734688][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.734873][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.735058][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.735540][  T226] RSP: 0018:ffa0000000986e20 EFLAGS: 00010286
[   10.735714][  T226] RAX: 00000000ffffffa6 RBX: ff1100000757d1c0 RCX: 1ff4000000130d8a
[   10.735929][  T226] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000757d278
[   10.736139][  T226] RBP: ff1100000c584000 R08: 1fe2200000eafa50 R09: ff1100000b8b8b80
[   10.736342][  T226] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.736546][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000021e8088
[   10.736757][  T226] FS:  00007f8a55327840(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   10.737008][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.737181][  T226] CR2: 00005617b52f3758 CR3: 000000000b8a6004 CR4: 0000000000771ef0
[   10.737386][  T226] PKRU: 55555554
[   10.737489][  T226] Call Trace:
[   10.737590][  T226]  <TASK>
[   10.737660][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.737799][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.737910][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.738051][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.738186][  T226]  __dev_notify_flags (net/core/dev.c:9787)
[   10.738324][  T226]  ? netif_change_name (net/core/dev.c:1495)
[   10.738462][  T226]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.738599][  T226]  ? __queue_work (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/workqueue.c:2402 (discriminator 2))
[   10.738734][  T226]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.738879][  T226]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.739023][  T226]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   10.739159][  T226]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   10.739297][  T226]  veth_newlink (drivers/net/veth.c:1871)
[   10.739434][  T226]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   10.739569][  T226]  ? kasan_save_stack (mm/kasan/common.c:57)
[   10.739706][  T226]  ? kasan_save_track (mm/kasan/common.c:78)
[   10.739850][  T226]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   10.740003][  T226]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   10.740141][  T226]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   10.740279][  T226]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.740414][  T226]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.740552][  T226]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   10.740688][  T226]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   10.740832][  T226]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.740972][  T226]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.741109][  T226]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.741252][  T226]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.741391][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.741529][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.741664][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.741799][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.741951][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.742089][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.742226][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.742362][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.742498][  T226]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.742633][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.742770][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.742911][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.743055][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.743193][  T226]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.743330][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.743468][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.743603][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.743742][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.743885][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.744026][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.744162][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.744298][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.744434][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.744572][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.744708][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.744849][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.745022][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.745162][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.745298][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.745436][  T226]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.745609][  T226]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.745745][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.745884][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.746029][  T226]  ? 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)
[   10.746167][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.746306][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.746441][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.746575][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.746709][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.746882][  T226] RIP: 0033:0x7f8a5556108e
[   10.747027][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.747534][  T226] RSP: 002b:00007fffade5b020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.747741][  T226] RAX: ffffffffffffffda RBX: 00007fffade5b7c8 RCX: 00007f8a5556108e
[   10.747953][  T226] RDX: 0000000000000000 RSI: 00007fffade5b0d0 RDI: 0000000000000005
[   10.748160][  T226] RBP: 00007fffade5b030 R08: 0000000000000000 R09: 0000000000000000
[   10.748363][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   10.748564][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffade5b790
| [   10.749928][  T226] ---[ end trace 0000000000000000 ]---
| [   10.756316][  T226] ------------[ cut here ]------------
| [   10.756469][  T226] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/226
| [   10.756989][  T226] Tainted: [W]=WARN
[   10.757090][  T226] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.757258][  T226] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.757433][  T226] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.757918][  T226] RSP: 0018:ffa00000009871a0 EFLAGS: 00010286
[   10.758094][  T226] RAX: 00000000ffffffa6 RBX: ff11000009e1e040 RCX: 1ff4000000130dfa
[   10.758296][  T226] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009e1e0f8
[   10.758499][  T226] RBP: ff1100000c581000 R08: 1fe22000013c3c20 R09: ff1100000b8b8b80
[   10.758700][  T226] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   10.758907][  T226] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   10.759114][  T226] FS:  00007f8a55327840(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   10.759352][  T226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.759521][  T226] CR2: 00005617b52f3758 CR3: 000000000b8a6004 CR4: 0000000000771ef0
[   10.759723][  T226] PKRU: 55555554
[   10.759829][  T226] Call Trace:
[   10.759930][  T226]  <TASK>
[   10.760004][  T226]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.760140][  T226]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.760242][  T226]  __dev_notify_flags (net/core/dev.c:9787)
[   10.760376][  T226]  ? netif_change_name (net/core/dev.c:1495)
[   10.760512][  T226]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   10.760647][  T226]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   10.760783][  T226]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   10.760922][  T226]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   10.762659][  T226]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   10.762793][  T226]  ? __dev_get_by_name (net/core/dev.c:883)
[   10.762933][  T226]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   10.763076][  T226]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   10.763214][  T226]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.763350][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.763485][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.763620][  T226]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.763757][  T226]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.763899][  T226]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.764037][  T226]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.764170][  T226]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.764305][  T226]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.764439][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.764575][  T226]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.764708][  T226]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.765364][  T226]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.765501][  T226]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.765635][  T226]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.765772][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.765969][  T226]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.766160][  T226]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.766296][  T226]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.766431][  T226]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.766565][  T226]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.766699][  T226]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.766890][  T226]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.767032][  T226]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.767166][  T226]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.767300][  T226]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.767467][  T226]  ? move_addr_to_kernel (net/socket.c:258)
[   10.767605][  T226]  ___sys_sendmsg (net/socket.c:2752)
[   10.767740][  T226]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.767934][  T226]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.768111][  T226]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   10.768246][  T226]  __sys_sendmsg (net/socket.c:2784)
[   10.768380][  T226]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.768518][  T226]  ? 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)
[   10.768654][  T226]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.768789][  T226]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.768983][  T226]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.769121][  T226]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.769256][  T226]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.769421][  T226] RIP: 0033:0x7f8a5556108e
[   10.769561][  T226] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.770104][  T226] RSP: 002b:00007fffade5b020 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.770309][  T226] RAX: ffffffffffffffda RBX: 00007fffade5b7c8 RCX: 00007f8a5556108e
[   10.770510][  T226] RDX: 0000000000000000 RSI: 00007fffade5b0d0 RDI: 0000000000000005
[   10.770711][  T226] RBP: 00007fffade5b030 R08: 0000000000000000 R09: 0000000000000000
[   10.770972][  T226] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   10.771174][  T226] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffade5b790
| [   10.781629][  T226] ip (226) used greatest stack depth: 23784 bytes left
| [   10.854487][  T230] ------------[ cut here ]------------
| [   10.854645][  T230] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/230
| [   10.855153][  T230] Tainted: [W]=WARN
[   10.855254][  T230] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.855419][  T230] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.855589][  T230] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.856068][  T230] RSP: 0018:ffa00000009c7020 EFLAGS: 00010286
[   10.856235][  T230] RAX: 00000000ffffffa6 RBX: ff110000021d03c0 RCX: 1ff4000000138dca
[   10.856435][  T230] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000021d0478
[   10.856630][  T230] RBP: ff1100000c581000 R08: 1fe220000043a090 R09: ff1100000d6a8b58
[   10.856839][  T230] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.857042][  T230] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c581ce1
[   10.857239][  T230] FS:  00007f6854fb2840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.857469][  T230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.857635][  T230] CR2: 00007f68552821a0 CR3: 0000000002587004 CR4: 0000000000771ef0
[   10.857839][  T230] PKRU: 55555554
[   10.857939][  T230] Call Trace:
[   10.858041][  T230]  <TASK>
[   10.858108][  T230]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.858246][  T230]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.858347][  T230]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.858479][  T230]  __dev_notify_flags (net/core/dev.c:9787)
[   10.858610][  T230]  ? netif_change_name (net/core/dev.c:1495)
[   10.858741][  T230]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.858880][  T230]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.859017][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.859148][  T230]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   10.859282][  T230]  netif_change_flags (net/core/dev.c:9820)
[   10.859415][  T230]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.859549][  T230]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.859681][  T230]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.859850][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.859986][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.860117][  T230]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.860248][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.860381][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.860516][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.860647][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.860779][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.860913][  T230]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.861049][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.861180][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.861312][  T230]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.861443][  T230]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   10.861574][  T230]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.861708][  T230]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.861922][  T230]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.862062][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.862195][  T230]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.862327][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.862458][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.862588][  T230]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.862721][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.862917][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.863104][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.863236][  T230]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.863367][  T230]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.863498][  T230]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.863630][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.863760][  T230]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.863981][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.864115][  T230]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.864245][  T230]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.864377][  T230]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.864509][  T230]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.864641][  T230]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.864774][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   10.864992][  T230]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   10.865128][  T230]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.865261][  T230]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.865393][  T230]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.865526][  T230]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.865659][  T230]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.865791][  T230]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.865997][  T230]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.866128][  T230]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.866263][  T230]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.866426][  T230]  ? move_addr_to_kernel (net/socket.c:258)
[   10.866559][  T230]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.866691][  T230]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.866887][  T230]  ___sys_sendmsg (net/socket.c:2752)
[   10.867022][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.867185][  T230]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.867328][  T230]  __sys_sendmsg (net/socket.c:2784)
[   10.867460][  T230]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.867592][  T230]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.867757][  T230]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   10.867978][  T230]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.868111][  T230]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.868242][  T230]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.868376][  T230]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.868508][  T230]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.868671][  T230] RIP: 0033:0x7f68551ec08e
[   10.868813][  T230] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   10.869284][  T230] RSP: 002b:00007fffa1670b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.869485][  T230] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f68551ec08e
[   10.869682][  T230] RDX: 0000000000000000 RSI: 00007fffa1670be0 RDI: 0000000000000005
[   10.869881][  T230] RBP: 00007fffa1670b40 R08: 0000000000000000 R09: 0000000000000000
[   10.870078][  T230] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   10.870277][  T230] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffa16712b0
| [   10.871594][  T230] ---[ end trace 0000000000000000 ]---
| [   10.949154][  T233] ------------[ cut here ]------------
| [   10.949313][  T233] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/233
| [   10.949819][  T233] Tainted: [W]=WARN
[   10.949918][  T233] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.950093][  T233] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.950263][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.950731][  T233] RSP: 0018:ffa00000009f7020 EFLAGS: 00010286
[   10.950976][  T233] RAX: 00000000ffffffa6 RBX: ff1100000a5bce40 RCX: 1ff400000013edca
[   10.951173][  T233] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a5bcef8
[   10.951371][  T233] RBP: ff1100000c584000 R08: 1fe22000014b79e0 R09: ff1100000d6d0b58
[   10.951569][  T233] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   10.951765][  T233] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c584ce1
[   10.952044][  T233] FS:  00007fc725280840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   10.952275][  T233] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.952443][  T233] CR2: 00007fc7255501a0 CR3: 000000000d6b3003 CR4: 0000000000771ef0
[   10.952640][  T233] PKRU: 55555554
[   10.952738][  T233] Call Trace:
[   10.952920][  T233]  <TASK>
[   10.952993][  T233]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.953212][  T233]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.953312][  T233]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   10.953445][  T233]  __dev_notify_flags (net/core/dev.c:9787)
[   10.953578][  T233]  ? netif_change_name (net/core/dev.c:1495)
[   10.953710][  T233]  ? __dev_change_flags (net/core/dev.c:9752)
[   10.953919][  T233]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   10.954054][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.954186][  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))
[   10.954320][  T233]  netif_change_flags (net/core/dev.c:9820)
[   10.954454][  T233]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   10.954588][  T233]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   10.954720][  T233]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   10.954963][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   10.955096][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.955228][  T233]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   10.955361][  T233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.955496][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.955630][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.955762][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.955980][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.956113][  T233]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   10.956244][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.956375][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.956509][  T233]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   10.956641][  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)
[   10.956773][  T233]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   10.956992][  T233]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   10.957126][  T233]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   10.957260][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   10.957395][  T233]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   10.957529][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.957663][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.957794][  T233]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   10.958010][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.958142][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.958274][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.958406][  T233]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   10.958539][  T233]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   10.958673][  T233]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   10.958893][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.959029][  T233]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.959161][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.959294][  T233]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.959425][  T233]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   10.959557][  T233]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   10.959690][  T233]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   10.959898][  T233]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   10.960038][  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))
[   10.960169][  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))
[   10.960303][  T233]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   10.960436][  T233]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.960569][  T233]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   10.960702][  T233]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   10.960921][  T233]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   10.961060][  T233]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   10.961194][  T233]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   10.961325][  T233]  ? copy_msghdr_from_user (net/socket.c:2635)
[   10.961459][  T233]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   10.961622][  T233]  ? move_addr_to_kernel (net/socket.c:258)
[   10.961757][  T233]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   10.961944][  T233]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   10.962085][  T233]  ___sys_sendmsg (net/socket.c:2752)
[   10.962217][  T233]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   10.962382][  T233]  ? copy_msghdr_from_user (net/socket.c:2603)
[   10.962526][  T233]  __sys_sendmsg (net/socket.c:2784)
[   10.962658][  T233]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   10.962793][  T233]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   10.963018][  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)
[   10.963153][  T233]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   10.963287][  T233]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   10.963418][  T233]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   10.963551][  T233]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   10.963684][  T233]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   10.963900][  T233] RIP: 0033:0x7fc7254ba08e
[   10.964042][  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
[   10.964512][  T233] RSP: 002b:00007ffd7650c320 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   10.964711][  T233] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc7254ba08e
[   10.964967][  T233] RDX: 0000000000000000 RSI: 00007ffd7650c3d0 RDI: 0000000000000005
[   10.965166][  T233] RBP: 00007ffd7650c330 R08: 0000000000000000 R09: 0000000000000000
[   10.965365][  T233] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   10.965561][  T233] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd7650caa0
| [   10.966903][  T233] ---[ end trace 0000000000000000 ]---
| [   10.968344][   T46] ------------[ cut here ]------------
| [   10.968553][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 1/46
| [   10.969280][   T46] Tainted: [W]=WARN
[   10.969420][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   10.969629][   T46] Workqueue: events_unbound linkwatch_event
[   10.970034][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   10.970247][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   10.970726][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   10.970959][   T46] RAX: 00000000ffffffa6 RBX: ff1100000a5bde00 RCX: 1ff4000000065f02
[   10.971191][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a5bdeb8
[   10.971422][   T46] RBP: ff1100000c581000 R08: 1fe22000014b7bd8 R09: ff11000002070ba8
[   10.971651][   T46] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   10.971896][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   10.972144][   T46] FS:  0000000000000000(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   10.972407][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   10.972611][   T46] CR2: 00007fa2fab0d574 CR3: 0000000037f49006 CR4: 0000000000771ef0
[   10.972855][   T46] PKRU: 55555554
[   10.972997][   T46] Call Trace:
[   10.973137][   T46]  <TASK>
[   10.973249][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   10.973421][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   10.973592][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   10.973734][   T46]  netif_state_change (net/core/dev.c:1605)
[   10.973916][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   10.974124][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   10.974296][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   10.974469][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   10.974643][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   10.974830][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   10.975010][   T46]  process_one_work (kernel/workqueue.c:3314)
[   10.975187][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   10.975359][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   10.975534][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   10.975711][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   10.975896][   T46]  kthread (kernel/kthread.c:436)
[   10.976044][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   10.976249][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.976420][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   10.976593][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   10.976795][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   10.976989][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   10.977162][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   10.978678][   T46] ---[ end trace 0000000000000000 ]---
| [   11.002961][  T234] ------------[ cut here ]------------
| [   11.003121][  T234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/234
| [   11.003638][  T234] Tainted: [W]=WARN
[   11.003741][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.003927][  T234] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.004108][  T234] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.004593][  T234] RSP: 0018:ffa0000000a06e20 EFLAGS: 00010286
[   11.004767][  T234] RAX: 00000000ffffffa6 RBX: ff11000004bb8ac0 RCX: 1ff4000000140d8a
[   11.004985][  T234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004bb8b78
[   11.005189][  T234] RBP: ff1100000c504000 R08: 1fe2200000977170 R09: ff1100000d6d2e80
[   11.005396][  T234] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.005600][  T234] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b819908
[   11.005814][  T234] FS:  00007f5051f47840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.006063][  T234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.006238][  T234] CR2: 000000000042ebe0 CR3: 000000000b9bf001 CR4: 0000000000771ef0
[   11.006443][  T234] PKRU: 55555554
[   11.006546][  T234] Call Trace:
[   11.006648][  T234]  <TASK>
[   11.006720][  T234]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.006865][  T234]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.006975][  T234]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.007147][  T234]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.007285][  T234]  __dev_notify_flags (net/core/dev.c:9787)
[   11.007423][  T234]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.007561][  T234]  ? netif_change_name (net/core/dev.c:1495)
[   11.007699][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.007844][  T234]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.007986][  T234]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.008122][  T234]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.008259][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.008396][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.008533][  T234]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.008671][  T234]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.008815][  T234]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.008955][  T234]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.009095][  T234]  veth_newlink (drivers/net/veth.c:1871)
[   11.009233][  T234]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.009370][  T234]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.009506][  T234]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.009644][  T234]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.009793][  T234]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.009937][  T234]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.010081][  T234]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.010217][  T234]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.010356][  T234]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.010495][  T234]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.010634][  T234]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.010772][  T234]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.010982][  T234]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.011124][  T234]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.011265][  T234]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.011405][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.011540][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.011675][  T234]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.011873][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.012013][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.012150][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.012287][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.012424][  T234]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.012559][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.012697][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.012913][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.013057][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.013233][  T234]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.013369][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.013509][  T234]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.013645][  T234]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.013784][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.013925][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.014067][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.014206][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.014344][  T234]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.014481][  T234]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.014619][  T234]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.014758][  T234]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.014900][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.015074][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   11.015214][  T234]  ___sys_sendmsg (net/socket.c:2752)
[   11.015350][  T234]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.015491][  T234]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.015665][  T234]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.015809][  T234]  __sys_sendmsg (net/socket.c:2784)
[   11.015946][  T234]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.016091][  T234]  ? 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)
[   11.016228][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.016366][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.016503][  T234]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.016640][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.016776][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.016971][  T234] RIP: 0033:0x7f505218108e
[   11.017115][  T234] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.017603][  T234] RSP: 002b:00007fff4f6cab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.017816][  T234] RAX: ffffffffffffffda RBX: 00007fff4f6cb2e8 RCX: 00007f505218108e
[   11.018025][  T234] RDX: 0000000000000000 RSI: 00007fff4f6cabf0 RDI: 0000000000000005
[   11.018229][  T234] RBP: 00007fff4f6cab50 R08: 0000000000000000 R09: 0000000000000000
[   11.018433][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.018636][  T234] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4f6cb2b0
| [   11.020022][  T234] ---[ end trace 0000000000000000 ]---
| [   11.032967][  T234] ------------[ cut here ]------------
| [   11.033124][  T234] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/234
| [   11.033635][  T234] Tainted: [W]=WARN
[   11.033739][  T234] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.033914][  T234] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.034095][  T234] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.034577][  T234] RSP: 0018:ffa0000000a071a0 EFLAGS: 00010286
[   11.034746][  T234] RAX: 00000000ffffffa6 RBX: ff1100000ca4b8c0 RCX: 1ff4000000140dfa
[   11.034956][  T234] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca4b978
[   11.035158][  T234] RBP: ff110000089e1000 R08: 1fe2200001949730 R09: ff1100000d6d2e80
[   11.035361][  T234] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.035566][  T234] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.035770][  T234] FS:  00007f5051f47840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.036020][  T234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.036190][  T234] CR2: 000000000042ebe0 CR3: 000000000b9bf001 CR4: 0000000000771ef0
[   11.036393][  T234] PKRU: 55555554
[   11.036494][  T234] Call Trace:
[   11.036595][  T234]  <TASK>
[   11.036665][  T234]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.036801][  T234]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.036912][  T234]  __dev_notify_flags (net/core/dev.c:9787)
[   11.037053][  T234]  ? netif_change_name (net/core/dev.c:1495)
[   11.037190][  T234]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.037326][  T234]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.037463][  T234]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.037600][  T234]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.037737][  T234]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.037878][  T234]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.038017][  T234]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.038157][  T234]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.038297][  T234]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.038434][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.038570][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.038705][  T234]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.038850][  T234]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.038990][  T234]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.039125][  T234]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.039260][  T234]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.039396][  T234]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.039532][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.039669][  T234]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.039809][  T234]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.039946][  T234]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.040087][  T234]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.040222][  T234]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.040361][  T234]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.040496][  T234]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.040633][  T234]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.040770][  T234]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.040914][  T234]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.041055][  T234]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.041190][  T234]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.041325][  T234]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.041463][  T234]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.041598][  T234]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.041734][  T234]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.041907][  T234]  ? move_addr_to_kernel (net/socket.c:258)
[   11.042053][  T234]  ___sys_sendmsg (net/socket.c:2752)
[   11.042189][  T234]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.042328][  T234]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.042502][  T234]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.042639][  T234]  __sys_sendmsg (net/socket.c:2784)
[   11.042774][  T234]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.042918][  T234]  ? 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)
[   11.043056][  T234]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.043192][  T234]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.043327][  T234]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.043462][  T234]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.043597][  T234]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.043766][  T234] RIP: 0033:0x7f505218108e
[   11.043912][  T234] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.044398][  T234] RSP: 002b:00007fff4f6cab40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.044602][  T234] RAX: ffffffffffffffda RBX: 00007fff4f6cb2e8 RCX: 00007f505218108e
[   11.044809][  T234] RDX: 0000000000000000 RSI: 00007fff4f6cabf0 RDI: 0000000000000005
[   11.045018][  T234] RBP: 00007fff4f6cab50 R08: 0000000000000000 R09: 0000000000000000
[   11.045219][  T234] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.045421][  T234] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4f6cb2b0
| [   11.046769][  T234] ---[ end trace 0000000000000000 ]---
| [   11.126871][  T237] ------------[ cut here ]------------
| [   11.127038][  T237] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/237
| [   11.127547][  T237] Tainted: [W]=WARN
[   11.127649][  T237] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.127828][  T237] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.128013][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.128490][  T237] RSP: 0018:ffa0000000a17020 EFLAGS: 00010286
[   11.128661][  T237] RAX: 00000000ffffffa6 RBX: ff1100000b22fe00 RCX: 1ff4000000142dca
[   11.128929][  T237] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b22feb8
[   11.129134][  T237] RBP: ff110000089e1000 R08: 1fe2200001645fd8 R09: ff11000009e3d158
[   11.129334][  T237] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.129537][  T237] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000089e1ce1
[   11.129738][  T237] FS:  00007f00f8d28840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.130054][  T237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.130240][  T237] CR2: 000000001ff90988 CR3: 000000000c47f002 CR4: 0000000000771ef0
[   11.130440][  T237] PKRU: 55555554
[   11.130542][  T237] Call Trace:
[   11.130643][  T237]  <TASK>
[   11.130712][  T237]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.130853][  T237]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.130959][  T237]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.131093][  T237]  __dev_notify_flags (net/core/dev.c:9787)
[   11.131228][  T237]  ? netif_change_name (net/core/dev.c:1495)
[   11.131362][  T237]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.131498][  T237]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.131631][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.131766][  T237]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.131909][  T237]  netif_change_flags (net/core/dev.c:9820)
[   11.132051][  T237]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.132187][  T237]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.132321][  T237]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.132492][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.132626][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.132759][  T237]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.132898][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.133037][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.133173][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.133308][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.133443][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.133578][  T237]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.133710][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.133852][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.133989][  T237]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.134125][  T237]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.134260][  T237]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.134393][  T237]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.134528][  T237]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.134663][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.134798][  T237]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.134939][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.135075][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.135209][  T237]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.135345][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.135480][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.135612][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.135745][  T237]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.135884][  T237]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.136023][  T237]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.136158][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.136291][  T237]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.136424][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.136560][  T237]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.136692][  T237]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.136833][  T237]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.136973][  T237]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.137107][  T237]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.137242][  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))
[   11.137375][  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))
[   11.137511][  T237]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.137646][  T237]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.137781][  T237]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.137919][  T237]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.138058][  T237]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.138194][  T237]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.138328][  T237]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.138462][  T237]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.138598][  T237]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.138764][  T237]  ? move_addr_to_kernel (net/socket.c:258)
[   11.138905][  T237]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.139042][  T237]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.139177][  T237]  ___sys_sendmsg (net/socket.c:2752)
[   11.139310][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.139476][  T237]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.139620][  T237]  __sys_sendmsg (net/socket.c:2784)
[   11.139753][  T237]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.139891][  T237]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.140064][  T237]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.140200][  T237]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.140335][  T237]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.140468][  T237]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.140603][  T237]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.140737][  T237]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.140909][  T237] RIP: 0033:0x7f00f8f6208e
[   11.141053][  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
[   11.141531][  T237] RSP: 002b:00007ffec0079040 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.141736][  T237] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f00f8f6208e
[   11.141945][  T237] RDX: 0000000000000000 RSI: 00007ffec00790f0 RDI: 0000000000000005
[   11.142148][  T237] RBP: 00007ffec0079050 R08: 0000000000000000 R09: 0000000000000000
[   11.142348][  T237] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.142548][  T237] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec00797c0
| [   11.143883][  T237] ---[ end trace 0000000000000000 ]---
| [   11.222331][  T240] ------------[ cut here ]------------
| [   11.222486][  T240] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/240
| [   11.223007][  T240] Tainted: [W]=WARN
[   11.223107][  T240] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.223276][  T240] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.223450][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.223933][  T240] RSP: 0018:ffa00000006b7020 EFLAGS: 00010286
[   11.224106][  T240] RAX: 00000000ffffffa6 RBX: ff110000091f1700 RCX: 1ff40000000d6dca
[   11.224306][  T240] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f17b8
[   11.224506][  T240] RBP: ff1100000c504000 R08: 1fe220000123e2f8 R09: ff1100000b8bae58
[   11.224703][  T240] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.224909][  T240] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c504ce1
[   11.225114][  T240] FS:  00007f9b1acc6840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.225349][  T240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.225519][  T240] CR2: 0000000021e7c988 CR3: 000000000b9bc006 CR4: 0000000000771ef0
[   11.225719][  T240] PKRU: 55555554
[   11.225823][  T240] Call Trace:
[   11.225923][  T240]  <TASK>
[   11.225997][  T240]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.226135][  T240]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.226237][  T240]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.226370][  T240]  __dev_notify_flags (net/core/dev.c:9787)
[   11.226506][  T240]  ? netif_change_name (net/core/dev.c:1495)
[   11.226641][  T240]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.226775][  T240]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.226914][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.227055][  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))
[   11.227191][  T240]  netif_change_flags (net/core/dev.c:9820)
[   11.227327][  T240]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.227464][  T240]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.227599][  T240]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.227766][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.227907][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.228046][  T240]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.228179][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.228315][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.228450][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.228584][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.228721][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.228863][  T240]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.229000][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.229135][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.229268][  T240]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.229404][  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)
[   11.229539][  T240]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.229672][  T240]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.229814][  T240]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.229954][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.230092][  T240]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.230227][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.230361][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.230494][  T240]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.230630][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.230763][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.230904][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.231043][  T240]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.231181][  T240]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.231315][  T240]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.231448][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.231582][  T240]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.231716][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.231854][  T240]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.231993][  T240]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.232127][  T240]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.232259][  T240]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.232392][  T240]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.232528][  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))
[   11.232660][  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))
[   11.232795][  T240]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.232938][  T240]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.233077][  T240]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.233210][  T240]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.233347][  T240]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.233481][  T240]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.233618][  T240]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.233752][  T240]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.233892][  T240]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.234063][  T240]  ? move_addr_to_kernel (net/socket.c:258)
[   11.234199][  T240]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.234334][  T240]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.234471][  T240]  ___sys_sendmsg (net/socket.c:2752)
[   11.234604][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.234769][  T240]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.234919][  T240]  __sys_sendmsg (net/socket.c:2784)
[   11.235056][  T240]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.235190][  T240]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.235358][  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)
[   11.235492][  T240]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.235625][  T240]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.235758][  T240]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.235899][  T240]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.236040][  T240]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.236208][  T240] RIP: 0033:0x7f9b1af0008e
[   11.236348][  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
[   11.236834][  T240] RSP: 002b:00007ffdf5784e20 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.237041][  T240] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9b1af0008e
[   11.237241][  T240] RDX: 0000000000000000 RSI: 00007ffdf5784ed0 RDI: 0000000000000005
[   11.237443][  T240] RBP: 00007ffdf5784e30 R08: 0000000000000000 R09: 0000000000000000
[   11.237643][  T240] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.237849][  T240] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdf57855a0
| [   11.239209][  T240] ---[ end trace 0000000000000000 ]---
| [   11.240442][   T71] ------------[ cut here ]------------
| [   11.240587][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/71
| [   11.241177][   T71] Tainted: [W]=WARN
[   11.241273][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.241432][   T71] Workqueue: events_unbound linkwatch_event
[   11.241597][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.241762][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.242220][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   11.242379][   T71] RAX: 00000000ffffffa6 RBX: ff110000097ab700 RCX: 1ff4000000098f02
[   11.242565][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097ab7b8
[   11.242751][   T71] RBP: ff1100000c504000 R08: 1fe22000012f56f8 R09: ff11000005bfaea8
[   11.242957][   T71] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.243144][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.243334][   T71] FS:  0000000000000000(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   11.243551][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.243708][   T71] CR2: 00005617ab967d5c CR3: 00000000027d0005 CR4: 0000000000771ef0
[   11.243901][   T71] PKRU: 55555554
[   11.243997][   T71] Call Trace:
[   11.244092][   T71]  <TASK>
[   11.244157][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.244284][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.244416][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.244511][   T71]  netif_state_change (net/core/dev.c:1605)
[   11.244636][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.244793][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.244924][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.245054][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.245181][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.245305][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.245431][   T71]  process_one_work (kernel/workqueue.c:3314)
[   11.245561][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.245685][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.245819][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.245946][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.246075][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.246201][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.246325][   T71]  kthread (kernel/kthread.c:436)
[   11.246419][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.246574][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.246700][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.246838][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.246998][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.247124][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.247249][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.248447][   T71] ---[ end trace 0000000000000000 ]---
| [   11.249136][   T71] ------------[ cut here ]------------
| [   11.249276][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/71
| [   11.249865][   T71] Tainted: [W]=WARN
[   11.249971][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.250127][   T71] Workqueue: events_unbound linkwatch_event
[   11.250288][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.250449][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.250908][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   11.251071][   T71] RAX: 00000000ffffffa6 RBX: ff110000097aa580 RCX: 1ff4000000098f02
[   11.251254][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097aa638
[   11.251438][   T71] RBP: ff110000089e1000 R08: 1fe22000012f54c8 R09: ff11000005bfaea8
[   11.251620][   T71] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   11.251813][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.252007][   T71] FS:  0000000000000000(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   11.252222][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.252377][   T71] CR2: 00007f00f8df5574 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   11.252565][   T71] PKRU: 55555554
[   11.252657][   T71] Call Trace:
[   11.252748][   T71]  <TASK>
[   11.252818][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.252942][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.253071][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.253165][   T71]  netif_state_change (net/core/dev.c:1605)
[   11.253290][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.253448][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.253572][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.253696][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.253830][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.253957][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.254081][   T71]  process_one_work (kernel/workqueue.c:3314)
[   11.254208][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.254345][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.254472][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.254596][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.254718][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.254847][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.254976][   T71]  kthread (kernel/kthread.c:436)
[   11.255070][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.255223][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.255348][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.255471][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.255623][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.255747][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.255877][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.257065][   T71] ---[ end trace 0000000000000000 ]---
| [   11.284729][  T241] ------------[ cut here ]------------
| [   11.284898][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/241
| [   11.285424][  T241] Tainted: [W]=WARN
[   11.285529][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.285701][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.285885][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.286376][  T241] RSP: 0018:ffa0000000a36e20 EFLAGS: 00010286
[   11.286550][  T241] RAX: 00000000ffffffa6 RBX: ff110000091f0ac0 RCX: 1ff4000000146d8a
[   11.286756][  T241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f0b78
[   11.286972][  T241] RBP: ff110000082e9000 R08: 1fe220000123e170 R09: ff1100000b8bd180
[   11.287179][  T241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.287385][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094b0408
[   11.287591][  T241] FS:  00007fef7b775840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.287837][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.288015][  T241] CR2: 000000000042ebe0 CR3: 000000000d693003 CR4: 0000000000771ef0
[   11.288220][  T241] PKRU: 55555554
[   11.288326][  T241] Call Trace:
[   11.288430][  T241]  <TASK>
[   11.288500][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.288638][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.288740][  T241]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.288917][  T241]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.289057][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   11.289193][  T241]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.289330][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   11.289466][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.289604][  T241]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.289740][  T241]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.289881][  T241]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.290022][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.290158][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.290295][  T241]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.290434][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.290569][  T241]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.290706][  T241]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.290850][  T241]  veth_newlink (drivers/net/veth.c:1871)
[   11.290993][  T241]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.291131][  T241]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.291269][  T241]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.291407][  T241]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.291556][  T241]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.291693][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.291837][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.291977][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.292116][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.292254][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.292395][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.292533][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.292671][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.292819][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.292966][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.293105][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.293243][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.293379][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.293521][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.293658][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.293796][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.293938][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.294077][  T241]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.294213][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.294350][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.294486][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.294625][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.294762][  T241]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.294904][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.295048][  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))
[   11.295184][  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))
[   11.295322][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.295459][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.295597][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.295736][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.295879][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.296021][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.296161][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.296298][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.296434][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.296603][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.296744][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   11.296885][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.297028][  T241]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.297202][  T241]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.297341][  T241]  __sys_sendmsg (net/socket.c:2784)
[   11.297479][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.297618][  T241]  ? 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)
[   11.297755][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.297901][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.298040][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.298177][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.298313][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.298483][  T241] RIP: 0033:0x7fef7b9af08e
[   11.298625][  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
[   11.299118][  T241] RSP: 002b:00007ffe779d6070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.299324][  T241] RAX: ffffffffffffffda RBX: 00007ffe779d6818 RCX: 00007fef7b9af08e
[   11.299528][  T241] RDX: 0000000000000000 RSI: 00007ffe779d6120 RDI: 0000000000000005
[   11.299731][  T241] RBP: 00007ffe779d6080 R08: 0000000000000000 R09: 0000000000000000
[   11.299940][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.300148][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe779d67e0
| [   11.301511][  T241] ---[ end trace 0000000000000000 ]---
| [   11.315364][  T241] ------------[ cut here ]------------
| [   11.315526][  T241] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/241
| [   11.316050][  T241] Tainted: [W]=WARN
[   11.316152][  T241] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.316324][  T241] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.316500][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.316988][  T241] RSP: 0018:ffa0000000a371a0 EFLAGS: 00010286
[   11.317158][  T241] RAX: 00000000ffffffa6 RBX: ff1100000c0fb8c0 RCX: 1ff4000000146dfa
[   11.317363][  T241] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0fb978
[   11.317564][  T241] RBP: ff11000009e84000 R08: 1fe220000181f730 R09: ff1100000b8bd180
[   11.317764][  T241] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.317977][  T241] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.318181][  T241] FS:  00007fef7b775840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.318418][  T241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.318587][  T241] CR2: 000000000042ebe0 CR3: 000000000d693003 CR4: 0000000000771ef0
[   11.318790][  T241] PKRU: 55555554
[   11.318896][  T241] Call Trace:
[   11.319000][  T241]  <TASK>
[   11.319071][  T241]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.319208][  T241]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.319310][  T241]  __dev_notify_flags (net/core/dev.c:9787)
[   11.319447][  T241]  ? netif_change_name (net/core/dev.c:1495)
[   11.319584][  T241]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.319717][  T241]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.320716][  T241]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.320948][  T241]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.321149][  T241]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.321286][  T241]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.321422][  T241]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.321561][  T241]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.321699][  T241]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.321842][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.321981][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.322117][  T241]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.322256][  T241]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.322392][  T241]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.322527][  T241]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.322662][  T241]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.322797][  T241]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.322936][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.323077][  T241]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.323213][  T241]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.323349][  T241]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.323484][  T241]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.323621][  T241]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.323758][  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))
[   11.323899][  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))
[   11.324044][  T241]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.324182][  T241]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.324318][  T241]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.324454][  T241]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.324590][  T241]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.324728][  T241]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.324870][  T241]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.325009][  T241]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.325144][  T241]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.325313][  T241]  ? move_addr_to_kernel (net/socket.c:258)
[   11.325452][  T241]  ___sys_sendmsg (net/socket.c:2752)
[   11.325588][  T241]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.325728][  T241]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.325906][  T241]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.326048][  T241]  __sys_sendmsg (net/socket.c:2784)
[   11.326184][  T241]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.326325][  T241]  ? 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)
[   11.326460][  T241]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.326598][  T241]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.326734][  T241]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.326874][  T241]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.327015][  T241]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.327184][  T241] RIP: 0033:0x7fef7b9af08e
[   11.327326][  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
[   11.327814][  T241] RSP: 002b:00007ffe779d6070 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.328025][  T241] RAX: ffffffffffffffda RBX: 00007ffe779d6818 RCX: 00007fef7b9af08e
[   11.328229][  T241] RDX: 0000000000000000 RSI: 00007ffe779d6120 RDI: 0000000000000005
[   11.328432][  T241] RBP: 00007ffe779d6080 R08: 0000000000000000 R09: 0000000000000000
[   11.328634][  T241] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.328842][  T241] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe779d67e0
| [   11.330207][  T241] ---[ end trace 0000000000000000 ]---
| [   11.414336][  T244] ------------[ cut here ]------------
| [   11.414501][  T244] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/244
| [   11.415016][  T244] Tainted: [W]=WARN
[   11.415117][  T244] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.415285][  T244] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.415458][  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 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.415945][  T244] RSP: 0018:ffa0000000a57020 EFLAGS: 00010286
[   11.416118][  T244] RAX: 00000000ffffffa6 RBX: ff1100000a4bdc40 RCX: 1ff400000014adca
[   11.416317][  T244] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4bdcf8
[   11.416515][  T244] RBP: ff11000009e84000 R08: 1fe2200001497ba0 R09: ff1100000c6a2e58
[   11.416713][  T244] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.416915][  T244] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009e84ce1
[   11.417117][  T244] FS:  00007fededbde840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   11.417349][  T244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.417518][  T244] CR2: 0000000002ceb988 CR3: 000000000c9b6002 CR4: 0000000000771ef0
[   11.417716][  T244] PKRU: 55555554
[   11.417819][  T244] Call Trace:
[   11.417919][  T244]  <TASK>
[   11.417993][  T244]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.418128][  T244]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.418229][  T244]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.418363][  T244]  __dev_notify_flags (net/core/dev.c:9787)
[   11.418497][  T244]  ? netif_change_name (net/core/dev.c:1495)
[   11.418631][  T244]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.418764][  T244]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.418905][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.419045][  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))
[   11.419180][  T244]  netif_change_flags (net/core/dev.c:9820)
[   11.419314][  T244]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.419449][  T244]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.419583][  T244]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.419750][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.419890][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.420030][  T244]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.420162][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.420295][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.420430][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.420562][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.420695][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.420835][  T244]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.420972][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.421104][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.421238][  T244]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.421371][  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)
[   11.421504][  T244]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.421637][  T244]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.421772][  T244]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.421942][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.422083][  T244]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.422216][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.422349][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.422482][  T244]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.422617][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.422749][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.422885][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.423022][  T244]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.423156][  T244]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.423290][  T244]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.423424][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.423558][  T244]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.423690][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.423829][  T244]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.423966][  T244]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.424100][  T244]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.424232][  T244]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.424365][  T244]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.424500][  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))
[   11.424633][  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))
[   11.424768][  T244]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.424907][  T244]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.425046][  T244]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.425179][  T244]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.425313][  T244]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.425446][  T244]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.425580][  T244]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.425713][  T244]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.425850][  T244]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.426020][  T244]  ? move_addr_to_kernel (net/socket.c:258)
[   11.426153][  T244]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.426286][  T244]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.426419][  T244]  ___sys_sendmsg (net/socket.c:2752)
[   11.426551][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.426716][  T244]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.426861][  T244]  __sys_sendmsg (net/socket.c:2784)
[   11.426999][  T244]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.427133][  T244]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.427301][  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)
[   11.427435][  T244]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.427569][  T244]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.427701][  T244]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.427840][  T244]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.427978][  T244]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.428145][  T244] RIP: 0033:0x7fedede1808e
[   11.428283][  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
[   11.428754][  T244] RSP: 002b:00007fff6d462de0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.428965][  T244] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fedede1808e
[   11.429163][  T244] RDX: 0000000000000000 RSI: 00007fff6d462e90 RDI: 0000000000000005
[   11.429362][  T244] RBP: 00007fff6d462df0 R08: 0000000000000000 R09: 0000000000000000
[   11.429560][  T244] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.429757][  T244] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff6d463560
| [   11.431100][  T244] ---[ end trace 0000000000000000 ]---
| [   11.514305][  T247] ------------[ cut here ]------------
| [   11.514466][  T247] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/247
| [   11.514984][  T247] Tainted: [W]=WARN
[   11.515086][  T247] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.515252][  T247] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.515426][  T247] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.515904][  T247] RSP: 0018:ffa0000000a77020 EFLAGS: 00010286
[   11.516079][  T247] RAX: 00000000ffffffa6 RBX: ff11000008bf43c0 RCX: 1ff400000014edca
[   11.516277][  T247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bf4478
[   11.516473][  T247] RBP: ff110000082e9000 R08: 1fe220000117e890 R09: ff1100000a632e58
[   11.516673][  T247] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   11.516876][  T247] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000082e9ce1
[   11.517082][  T247] FS:  00007f2a79b2a840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   11.517317][  T247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.517486][  T247] CR2: 000000000440f988 CR3: 000000000c041005 CR4: 0000000000771ef0
[   11.517687][  T247] PKRU: 55555554
[   11.517788][  T247] Call Trace:
[   11.517893][  T247]  <TASK>
[   11.517966][  T247]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.518102][  T247]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.518204][  T247]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.518337][  T247]  __dev_notify_flags (net/core/dev.c:9787)
[   11.518472][  T247]  ? netif_change_name (net/core/dev.c:1495)
[   11.518607][  T247]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.518741][  T247]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.518880][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.519021][  T247]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.519158][  T247]  netif_change_flags (net/core/dev.c:9820)
[   11.519293][  T247]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.519429][  T247]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.519564][  T247]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.519729][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.519869][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.520008][  T247]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.520140][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.520277][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.520414][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.520547][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.520681][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.520908][  T247]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.521132][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.521268][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.521401][  T247]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.521535][  T247]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.521670][  T247]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.521881][  T247]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.522021][  T247]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.522157][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.522292][  T247]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.522427][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.522561][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.522695][  T247]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.522906][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.523045][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.523178][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523310][  T247]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.523445][  T247]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.523579][  T247]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.523712][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.523930][  T247]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.524067][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.524202][  T247]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.524335][  T247]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.524470][  T247]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.524603][  T247]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.524737][  T247]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.524883][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.525023][  T247]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.525158][  T247]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.525293][  T247]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.525426][  T247]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.525561][  T247]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.525696][  T247]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.525836][  T247]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.525976][  T247]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.526111][  T247]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.526244][  T247]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.526409][  T247]  ? move_addr_to_kernel (net/socket.c:258)
[   11.526545][  T247]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.526679][  T247]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.526818][  T247]  ___sys_sendmsg (net/socket.c:2752)
[   11.526957][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.527124][  T247]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.527267][  T247]  __sys_sendmsg (net/socket.c:2784)
[   11.527400][  T247]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.527534][  T247]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.527702][  T247]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.527843][  T247]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.527984][  T247]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.528118][  T247]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.528252][  T247]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.528386][  T247]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.528551][  T247] RIP: 0033:0x7f2a79d6408e
[   11.528689][  T247] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.529176][  T247] RSP: 002b:00007fff592c03e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.529378][  T247] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f2a79d6408e
[   11.529577][  T247] RDX: 0000000000000000 RSI: 00007fff592c0490 RDI: 0000000000000005
[   11.529776][  T247] RBP: 00007fff592c03f0 R08: 0000000000000000 R09: 0000000000000000
[   11.529985][  T247] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.530184][  T247] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff592c0b60
| [   11.531515][  T247] ---[ end trace 0000000000000000 ]---
| [   11.532698][   T46] ------------[ cut here ]------------
| [   11.532848][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   11.533385][   T46] Tainted: [W]=WARN
[   11.533482][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.533637][   T46] Workqueue: events_unbound linkwatch_event
[   11.533798][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.533974][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.534417][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   11.534573][   T46] RAX: 00000000ffffffa6 RBX: ff1100000a53d380 RCX: 1ff4000000065f02
[   11.534759][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a53d438
[   11.534966][   T46] RBP: ff110000082e9000 R08: 1fe22000014a7a88 R09: ff11000002070ba8
[   11.535153][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.535339][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.535526][   T46] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.535747][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.535913][   T46] CR2: 00007f19ca3ad574 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   11.536104][   T46] PKRU: 55555554
[   11.536197][   T46] Call Trace:
[   11.536291][   T46]  <TASK>
[   11.536355][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.536480][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.536606][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.536700][   T46]  netif_state_change (net/core/dev.c:1605)
[   11.536831][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.536992][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.537122][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.537248][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.537373][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.537496][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.537620][   T46]  process_one_work (kernel/workqueue.c:3314)
[   11.537748][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.537878][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.538009][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.538136][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.538258][   T46]  kthread (kernel/kthread.c:436)
[   11.538351][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.538507][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.538631][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.538757][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.538920][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.539051][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.539175][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.540374][   T46] ---[ end trace 0000000000000000 ]---
| [   11.541147][   T46] ------------[ cut here ]------------
| [   11.541277][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 1/46
| [   11.541814][   T46] Tainted: [W]=WARN
[   11.541910][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.542072][   T46] Workqueue: events_unbound linkwatch_event
[   11.542232][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.542392][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.542849][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   11.543009][   T46] RAX: 00000000ffffffa6 RBX: ff1100000a53cac0 RCX: 1ff4000000065f02
[   11.543195][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a53cb78
[   11.543379][   T46] RBP: ff11000009e84000 R08: 1fe22000014a7970 R09: ff11000002070ba8
[   11.543568][   T46] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.543752][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.543942][   T46] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.544164][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.544318][   T46] CR2: 00007f19ca3ad574 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   11.544504][   T46] PKRU: 55555554
[   11.544596][   T46] Call Trace:
[   11.544687][   T46]  <TASK>
[   11.544751][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.544880][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.545016][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.545110][   T46]  netif_state_change (net/core/dev.c:1605)
[   11.545236][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.545392][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.545514][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.545638][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.545764][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.545894][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.546025][   T46]  process_one_work (kernel/workqueue.c:3314)
[   11.546151][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.546278][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.546407][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.546534][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.546658][   T46]  kthread (kernel/kthread.c:436)
[   11.546752][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.546912][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.547041][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.547168][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.547322][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.547447][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.547573][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.548763][   T46] ---[ end trace 0000000000000000 ]---
| [   11.574729][  T248] ------------[ cut here ]------------
| [   11.574940][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/248
| [   11.575555][  T248] Tainted: [W]=WARN
[   11.575704][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.576092][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.576403][  T248] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.577044][  T248] RSP: 0018:ffa0000000a86e20 EFLAGS: 00010286
[   11.577343][  T248] RAX: 00000000ffffffa6 RBX: ff1100000757de00 RCX: 1ff4000000150d8a
[   11.577679][  T248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000757deb8
[   11.578039][  T248] RBP: ff1100000938c000 R08: 1fe2200000eafbd8 R09: ff1100000c812e80
[   11.578379][  T248] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.578625][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000b176008
[   11.578888][  T248] FS:  00007f4e64b54840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   11.579184][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.579403][  T248] CR2: 000000000042ebe0 CR3: 000000000c142002 CR4: 0000000000771ef0
[   11.579654][  T248] PKRU: 55555554
[   11.579816][  T248] Call Trace:
[   11.579973][  T248]  <TASK>
[   11.580092][  T248]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.580277][  T248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.580428][  T248]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.580649][  T248]  ? ref_tracker_alloc (./include/linux/spinlock.h:408 (discriminator 3) lib/ref_tracker.c:281 (discriminator 3))
[   11.580845][  T248]  __dev_notify_flags (net/core/dev.c:9787)
[   11.581034][  T248]  ? ref_tracker_dir_print (lib/ref_tracker.c:200)
[   11.581217][  T248]  ? netif_change_name (net/core/dev.c:1495)
[   11.581400][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.581582][  T248]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.581765][  T248]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.581968][  T248]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.582152][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.582336][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.582520][  T248]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.582705][  T248]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.582899][  T248]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.583089][  T248]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.583277][  T248]  veth_newlink (drivers/net/veth.c:1871)
[   11.583463][  T248]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.583644][  T248]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.583848][  T248]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.584034][  T248]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.584230][  T248]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.584413][  T248]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.584600][  T248]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.584784][  T248]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.585023][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.585213][  T248]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.585400][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.585583][  T248]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.585766][  T248]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.585981][  T248]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.586176][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.586363][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.586546][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.586729][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.586926][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.587118][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.587302][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.587486][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.587671][  T248]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.587868][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.588062][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.588246][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.588431][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.588615][  T248]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.588797][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.589002][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.589187][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.589373][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.589557][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.589740][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.589937][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.590131][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.590316][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.590505][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.590689][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.590886][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.591110][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   11.591302][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   11.591484][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.591670][  T248]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.591906][  T248]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.592100][  T248]  __sys_sendmsg (net/socket.c:2784)
[   11.592285][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.592472][  T248]  ? 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)
[   11.592655][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.592853][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.593072][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.593273][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.593480][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.593717][  T248] RIP: 0033:0x7f4e64d8e08e
[   11.593935][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.594489][  T248] RSP: 002b:00007ffc40abb1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.594751][  T248] RAX: ffffffffffffffda RBX: 00007ffc40abb948 RCX: 00007f4e64d8e08e
[   11.595033][  T248] RDX: 0000000000000000 RSI: 00007ffc40abb250 RDI: 0000000000000005
[   11.595281][  T248] RBP: 00007ffc40abb1b0 R08: 0000000000000000 R09: 0000000000000000
[   11.595530][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.595788][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc40abb910
| [   11.597565][  T248] ---[ end trace 0000000000000000 ]---
| [   11.603840][  T248] ------------[ cut here ]------------
| [   11.604001][  T248] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/248
| [   11.604511][  T248] Tainted: [W]=WARN
[   11.604613][  T248] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.604782][  T248] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.604970][  T248] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.605452][  T248] RSP: 0018:ffa0000000a871a0 EFLAGS: 00010286
[   11.605623][  T248] RAX: 00000000ffffffa6 RBX: ff1100000c234580 RCX: 1ff4000000150dfa
[   11.605836][  T248] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c234638
[   11.606046][  T248] RBP: ff11000009cc9000 R08: 1fe22000018468c8 R09: ff1100000c812e80
[   11.606248][  T248] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.606451][  T248] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.606654][  T248] FS:  00007f4e64b54840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.606898][  T248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.607075][  T248] CR2: 00007f19ca3ad574 CR3: 000000000c142003 CR4: 0000000000771ef0
[   11.607278][  T248] PKRU: 55555554
[   11.607379][  T248] Call Trace:
[   11.607480][  T248]  <TASK>
[   11.607550][  T248]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.607688][  T248]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.607791][  T248]  __dev_notify_flags (net/core/dev.c:9787)
[   11.607935][  T248]  ? netif_change_name (net/core/dev.c:1495)
[   11.608076][  T248]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.608213][  T248]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.608352][  T248]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.608490][  T248]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.608628][  T248]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.608764][  T248]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.608907][  T248]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.609053][  T248]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.609193][  T248]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.609330][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.609465][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.609601][  T248]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.609743][  T248]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.609885][  T248]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.610026][  T248]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.610161][  T248]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.610297][  T248]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.610431][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.610570][  T248]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.610706][  T248]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.610848][  T248]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.610990][  T248]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.611125][  T248]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.611264][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.611399][  T248]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.611537][  T248]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.611675][  T248]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.611819][  T248]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.611963][  T248]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.612100][  T248]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.612237][  T248]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.612377][  T248]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.612513][  T248]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.612649][  T248]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.612821][  T248]  ? move_addr_to_kernel (net/socket.c:258)
[   11.612966][  T248]  ___sys_sendmsg (net/socket.c:2752)
[   11.613104][  T248]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.613246][  T248]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.613418][  T248]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.613558][  T248]  __sys_sendmsg (net/socket.c:2784)
[   11.613694][  T248]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.613839][  T248]  ? 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)
[   11.613981][  T248]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.614118][  T248]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.614255][  T248]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.614390][  T248]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.614525][  T248]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.614693][  T248] RIP: 0033:0x7f4e64d8e08e
[   11.614840][  T248] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.615332][  T248] RSP: 002b:00007ffc40abb1a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.615538][  T248] RAX: ffffffffffffffda RBX: 00007ffc40abb948 RCX: 00007f4e64d8e08e
[   11.615740][  T248] RDX: 0000000000000000 RSI: 00007ffc40abb250 RDI: 0000000000000005
[   11.615959][  T248] RBP: 00007ffc40abb1b0 R08: 0000000000000000 R09: 0000000000000000
[   11.616164][  T248] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd12
[   11.616367][  T248] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc40abb910
| [   11.617729][  T248] ---[ end trace 0000000000000000 ]---
| [   11.691914][  T251] ------------[ cut here ]------------
| [   11.692115][  T251] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/251
| [   11.692709][  T251] Tainted: [W]=WARN
[   11.692872][  T251] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.693093][  T251] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.693314][  T251] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.693844][  T251] RSP: 0018:ffa0000000aa7020 EFLAGS: 00010286
[   11.694064][  T251] RAX: 00000000ffffffa6 RBX: ff1100000a573e00 RCX: 1ff4000000154dca
[   11.694306][  T251] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a573eb8
[   11.694549][  T251] RBP: ff11000009cc9000 R08: 1fe22000014ae7d8 R09: ff1100000c19ae58
[   11.694791][  T251] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   11.695056][  T251] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009cc9ce1
[   11.695303][  T251] FS:  00007f789b06e840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   11.695582][  T251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.695794][  T251] CR2: 000000002d9f6988 CR3: 000000000f8bf001 CR4: 0000000000771ef0
[   11.696062][  T251] PKRU: 55555554
[   11.696208][  T251] Call Trace:
[   11.696355][  T251]  <TASK>
[   11.696469][  T251]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.696649][  T251]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.696797][  T251]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.696994][  T251]  __dev_notify_flags (net/core/dev.c:9787)
[   11.697178][  T251]  ? netif_change_name (net/core/dev.c:1495)
[   11.697356][  T251]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.697537][  T251]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.697715][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.697907][  T251]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.698097][  T251]  netif_change_flags (net/core/dev.c:9820)
[   11.698281][  T251]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.698463][  T251]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.698644][  T251]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.698868][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.699057][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.699239][  T251]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.699417][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.699597][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.699778][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.699982][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.700164][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.700345][  T251]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.700525][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.700703][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.700895][  T251]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.701086][  T251]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.701271][  T251]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.701455][  T251]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.701636][  T251]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.701830][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.702021][  T251]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.702206][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.702388][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.702567][  T251]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.702748][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.702944][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.703132][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.703314][  T251]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.703494][  T251]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.703673][  T251]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.703866][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.704055][  T251]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.704237][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.704420][  T251]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.704598][  T251]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.704777][  T251]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.704975][  T251]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.705156][  T251]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.705338][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.705517][  T251]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.705702][  T251]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.705893][  T251]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.706084][  T251]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.706267][  T251]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.706449][  T251]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.706630][  T251]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.706823][  T251]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.707012][  T251]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.707198][  T251]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.707412][  T251]  ? move_addr_to_kernel (net/socket.c:258)
[   11.707595][  T251]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.707775][  T251]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.707976][  T251]  ___sys_sendmsg (net/socket.c:2752)
[   11.708155][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.708371][  T251]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.708562][  T251]  __sys_sendmsg (net/socket.c:2784)
[   11.708742][  T251]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.708933][  T251]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.709157][  T251]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.709338][  T251]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.709518][  T251]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.709696][  T251]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.709890][  T251]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.710082][  T251]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.710295][  T251] RIP: 0033:0x7f789b2a808e
[   11.710479][  T251] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.711011][  T251] RSP: 002b:00007fff68b83b30 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.711258][  T251] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f789b2a808e
[   11.711501][  T251] RDX: 0000000000000000 RSI: 00007fff68b83be0 RDI: 0000000000000005
[   11.711745][  T251] RBP: 00007fff68b83b40 R08: 0000000000000000 R09: 0000000000000000
[   11.712006][  T251] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   11.712252][  T251] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff68b842b0
| [   11.713927][  T251] ---[ end trace 0000000000000000 ]---
| [   11.777313][   T46] ------------[ cut here ]------------
| [   11.777460][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/46
| [   11.777999][   T46] Tainted: [W]=WARN
[   11.778093][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.778250][   T46] Workqueue: events_unbound linkwatch_event
[   11.778410][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.778571][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.779023][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   11.779180][   T46] RAX: 00000000ffffffa6 RBX: ff11000009e1e3c0 RCX: 1ff4000000065f02
[   11.779366][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009e1e478
[   11.779548][   T46] RBP: ff1100000c584000 R08: 1fe22000013c3c90 R09: ff11000002070ba8
[   11.779731][   T46] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   11.779933][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.780123][   T46] FS:  0000000000000000(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   11.780340][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.780494][   T46] CR2: 00005617ab967d5c CR3: 00000000027d0006 CR4: 0000000000771ef0
[   11.780680][   T46] PKRU: 55555554
[   11.780777][   T46] Call Trace:
[   11.780876][   T46]  <TASK>
[   11.780941][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.781074][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.781212][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.781307][   T46]  netif_state_change (net/core/dev.c:1605)
[   11.781431][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.781589][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.781713][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.781843][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.781973][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.782096][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.782220][   T46]  process_one_work (kernel/workqueue.c:3314)
[   11.782349][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.782472][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.782599][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.782727][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.782858][   T46]  kthread (kernel/kthread.c:436)
[   11.782954][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.783108][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.783235][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.783359][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.783514][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.783638][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.783762][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.785656][   T46] ---[ end trace 0000000000000000 ]---
| [   11.804156][  T254] ------------[ cut here ]------------
| [   11.804322][  T254] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/254
| [   11.805290][  T254] Tainted: [W]=WARN
[   11.805395][  T254] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.805568][  T254] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.805742][  T254] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.806233][  T254] RSP: 0018:ffa0000000ad7020 EFLAGS: 00010286
[   11.806403][  T254] RAX: 00000000ffffffa6 RBX: ff110000021d0900 RCX: 1ff400000015adca
[   11.806603][  T254] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000021d09b8
[   11.806809][  T254] RBP: ff1100000938c000 R08: 1fe220000043a138 R09: ff1100000c9bd158
[   11.807016][  T254] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   11.807216][  T254] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000938cce1
[   11.807417][  T254] FS:  00007f228e3d2840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.807653][  T254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.807825][  T254] CR2: 00007f228e6a21a0 CR3: 000000000f8d1002 CR4: 0000000000771ef0
[   11.808034][  T254] PKRU: 55555554
[   11.808134][  T254] Call Trace:
[   11.808234][  T254]  <TASK>
[   11.808303][  T254]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.808439][  T254]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.808542][  T254]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.808678][  T254]  __dev_notify_flags (net/core/dev.c:9787)
[   11.808818][  T254]  ? netif_change_name (net/core/dev.c:1495)
[   11.808958][  T254]  ? __dev_change_flags (net/core/dev.c:9752)
[   11.809092][  T254]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   11.809226][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.809360][  T254]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   11.809497][  T254]  netif_change_flags (net/core/dev.c:9820)
[   11.809632][  T254]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   11.809768][  T254]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   11.809908][  T254]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   11.810081][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   11.810214][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.810349][  T254]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   11.810483][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.810619][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.810754][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.810893][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.811033][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.811168][  T254]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   11.811303][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.811438][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.811572][  T254]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   11.811706][  T254]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   11.811845][  T254]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   11.811983][  T254]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   11.812120][  T254]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   11.812256][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   11.812395][  T254]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.812533][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.812667][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.812801][  T254]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.812942][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.813079][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.813213][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.813347][  T254]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.813481][  T254]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.813616][  T254]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.813751][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.813889][  T254]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.814026][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.814161][  T254]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.814297][  T254]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.814432][  T254]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.814565][  T254]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.814699][  T254]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.814841][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.814979][  T254]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.815114][  T254]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.815250][  T254]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.815385][  T254]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.815520][  T254]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.815656][  T254]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.815790][  T254]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.815931][  T254]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.816069][  T254]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.816203][  T254]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.816368][  T254]  ? move_addr_to_kernel (net/socket.c:258)
[   11.816503][  T254]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   11.816638][  T254]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.816773][  T254]  ___sys_sendmsg (net/socket.c:2752)
[   11.816911][  T254]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   11.817082][  T254]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.817225][  T254]  __sys_sendmsg (net/socket.c:2784)
[   11.817362][  T254]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.817496][  T254]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   11.817664][  T254]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   11.817797][  T254]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.817937][  T254]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.818075][  T254]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.818209][  T254]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.818343][  T254]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.818508][  T254] RIP: 0033:0x7f228e60c08e
[   11.818647][  T254] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.819132][  T254] RSP: 002b:00007fff351f1d50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.819337][  T254] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f228e60c08e
[   11.819537][  T254] RDX: 0000000000000000 RSI: 00007fff351f1e00 RDI: 0000000000000005
[   11.819738][  T254] RBP: 00007fff351f1d60 R08: 0000000000000000 R09: 0000000000000000
[   11.819945][  T254] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   11.820153][  T254] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff351f24d0
| [   11.821496][  T254] ---[ end trace 0000000000000000 ]---
| [   11.822698][   T71] ------------[ cut here ]------------
| [   11.823101][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/71
| [   11.823633][   T71] Tainted: [W]=WARN
[   11.823727][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.823889][   T71] Workqueue: events_unbound linkwatch_event
[   11.824053][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.824215][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.824657][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   11.824827][   T71] RAX: 00000000ffffffa6 RBX: ff110000021d11c0 RCX: 1ff4000000098f02
[   11.825015][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000021d1278
[   11.825200][   T71] RBP: ff1100000938c000 R08: 1fe220000043a250 R09: ff11000005bfaea8
[   11.825387][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.825571][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.825755][   T71] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.825992][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.826148][   T71] CR2: 00007f228e6a21a0 CR3: 000000000f8d1002 CR4: 0000000000771ef0
[   11.826335][   T71] PKRU: 55555554
[   11.826427][   T71] Call Trace:
[   11.826520][   T71]  <TASK>
[   11.826584][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.826710][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.826843][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.826938][   T71]  netif_state_change (net/core/dev.c:1605)
[   11.827068][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.827228][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.827351][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.827476][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.827603][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.827727][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.827859][   T71]  process_one_work (kernel/workqueue.c:3314)
[   11.827993][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.828118][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.828246][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.828372][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.828496][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.828622][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.828747][   T71]  kthread (kernel/kthread.c:436)
[   11.828847][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.829008][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.829133][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.829258][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.829413][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.829537][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.829662][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.830857][   T71] ---[ end trace 0000000000000000 ]---
| [   11.831551][   T71] ------------[ cut here ]------------
| [   11.831676][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/71
| [   11.832222][   T71] Tainted: [W]=WARN
[   11.832316][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.832475][   T71] Workqueue: events_unbound linkwatch_event
[   11.832634][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.832797][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.833411][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   11.833568][   T71] RAX: 00000000ffffffa6 RBX: ff1100000a5bd380 RCX: 1ff4000000098f02
[   11.833753][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a5bd438
[   11.834076][   T71] RBP: ff11000009cc9000 R08: 1fe22000014b7a88 R09: ff11000005bfaea8
[   11.834263][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   11.834450][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   11.834635][   T71] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.834982][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.835140][   T71] CR2: 00007f228e6a21a0 CR3: 0000000037f49003 CR4: 0000000000771ef0
[   11.835325][   T71] PKRU: 55555554
[   11.835418][   T71] Call Trace:
[   11.835555][   T71]  <TASK>
[   11.835620][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.835746][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   11.835919][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.836018][   T71]  netif_state_change (net/core/dev.c:1605)
[   11.836142][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   11.836298][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   11.836421][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   11.836620][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.836747][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   11.836919][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   11.837049][   T71]  process_one_work (kernel/workqueue.c:3314)
[   11.837177][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   11.837301][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.837430][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   11.837704][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.837876][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   11.838006][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   11.838130][   T71]  kthread (kernel/kthread.c:436)
[   11.838225][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.838378][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.838503][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   11.838627][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   11.838784][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   11.838958][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   11.839082][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   11.840319][   T71] ---[ end trace 0000000000000000 ]---
| [   11.877375][  T255] ------------[ cut here ]------------
| [   11.877570][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/255
| [   11.878206][  T255] Tainted: [W]=WARN
[   11.878358][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.878577][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.878816][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.879354][  T255] RSP: 0018:ffa0000000ae6e20 EFLAGS: 00010286
[   11.879574][  T255] RAX: 00000000ffffffa6 RBX: ff11000004bb8e40 RCX: 1ff400000015cd8a
[   11.879925][  T255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004bb8ef8
[   11.880260][  T255] RBP: ff1100000d751000 R08: 1fe22000009771e0 R09: ff1100000c648b80
[   11.880595][  T255] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   11.880937][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000009853508
[   11.881275][  T255] FS:  00007f97b3a5a840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   11.881619][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.881847][  T255] CR2: 00007f97b3dc1f6d CR3: 000000000d469002 CR4: 0000000000771ef0
[   11.882114][  T255] PKRU: 55555554
[   11.882266][  T255] Call Trace:
[   11.882415][  T255]  <TASK>
[   11.882532][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.882717][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.882883][  T255]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   11.883110][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   11.883296][  T255]  ? __mod_timer (kernel/time/timer.c:1139 (discriminator 3))
[   11.883484][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   11.883667][  T255]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.883865][  T255]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.884057][  T255]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.884245][  T255]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   11.884428][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.884613][  T255]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   11.884798][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.885003][  T255]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   11.885187][  T255]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   11.885374][  T255]  veth_newlink (drivers/net/veth.c:1871)
[   11.885559][  T255]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   11.885742][  T255]  ? kasan_save_stack (mm/kasan/common.c:57)
[   11.885940][  T255]  ? kasan_save_track (mm/kasan/common.c:78)
[   11.886134][  T255]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   11.886334][  T255]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   11.886518][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   11.886703][  T255]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.886900][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.887093][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   11.887277][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   11.887464][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.887650][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.887848][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.888043][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.888231][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.888416][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.888600][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.888782][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.888991][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.889181][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.889365][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.889549][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.889732][  T255]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.889925][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.890120][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.890302][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.890491][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.890675][  T255]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.890874][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.891069][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.891251][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.891438][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.891623][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.891820][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.892016][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.892206][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.892392][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.892577][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.892763][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.892968][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.893185][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.893377][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.893562][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.893749][  T255]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.893991][  T255]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.894178][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.894363][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.894550][  T255]  ? 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)
[   11.894736][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.894937][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.895131][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.895315][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.895500][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.895717][  T255] RIP: 0033:0x7f97b3c9408e
[   11.895919][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.896454][  T255] RSP: 002b:00007ffdb5d351a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.896706][  T255] RAX: ffffffffffffffda RBX: 00007ffdb5d35948 RCX: 00007f97b3c9408e
[   11.896978][  T255] RDX: 0000000000000000 RSI: 00007ffdb5d35250 RDI: 0000000000000005
[   11.897232][  T255] RBP: 00007ffdb5d351b0 R08: 0000000000000000 R09: 0000000000000000
[   11.897483][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   11.897735][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb5d35910
| [   11.899468][  T255] ---[ end trace 0000000000000000 ]---
| [   11.905530][  T255] ------------[ cut here ]------------
| [   11.905690][  T255] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/255
| [   11.906225][  T255] Tainted: [W]=WARN
[   11.906328][  T255] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   11.906498][  T255] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   11.906676][  T255] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   11.907172][  T255] RSP: 0018:ffa0000000ae71a0 EFLAGS: 00010286
[   11.907346][  T255] RAX: 00000000ffffffa6 RBX: ff1100000a5bcac0 RCX: 1ff400000015cdfa
[   11.907551][  T255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a5bcb78
[   11.907756][  T255] RBP: ff1100000d754000 R08: 1fe22000014b7970 R09: ff1100000c648b80
[   11.907971][  T255] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   11.908178][  T255] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   11.908386][  T255] FS:  00007f97b3a5a840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   11.908629][  T255] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   11.908808][  T255] CR2: 00007f228e6a21a0 CR3: 000000000d469004 CR4: 0000000000771ef0
[   11.909021][  T255] PKRU: 55555554
[   11.909125][  T255] Call Trace:
[   11.909228][  T255]  <TASK>
[   11.909299][  T255]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   11.909439][  T255]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   11.909544][  T255]  __dev_notify_flags (net/core/dev.c:9787)
[   11.909682][  T255]  ? netif_change_name (net/core/dev.c:1495)
[   11.909823][  T255]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   11.909963][  T255]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   11.910101][  T255]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   11.910239][  T255]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   11.910376][  T255]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   11.910512][  T255]  ? __dev_get_by_name (net/core/dev.c:883)
[   11.910647][  T255]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   11.910788][  T255]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   11.910936][  T255]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   11.911083][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.911221][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.911359][  T255]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   11.911502][  T255]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   11.911641][  T255]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   11.911778][  T255]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   11.911920][  T255]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   11.912065][  T255]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.912202][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.912340][  T255]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   11.912477][  T255]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   11.912614][  T255]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   11.912752][  T255]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   11.912895][  T255]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   11.913039][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   11.913177][  T255]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   11.913316][  T255]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   11.913454][  T255]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   11.913592][  T255]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   11.913730][  T255]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   11.913873][  T255]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   11.914015][  T255]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   11.914156][  T255]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   11.914294][  T255]  ? copy_msghdr_from_user (net/socket.c:2635)
[   11.914465][  T255]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   11.914635][  T255]  ? move_addr_to_kernel (net/socket.c:258)
[   11.914775][  T255]  ___sys_sendmsg (net/socket.c:2752)
[   11.914918][  T255]  ? copy_msghdr_from_user (net/socket.c:2603)
[   11.915064][  T255]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   11.915240][  T255]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   11.915380][  T255]  __sys_sendmsg (net/socket.c:2784)
[   11.915517][  T255]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   11.915657][  T255]  ? 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)
[   11.915793][  T255]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   11.915936][  T255]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   11.916078][  T255]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   11.916215][  T255]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   11.916354][  T255]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   11.916524][  T255] RIP: 0033:0x7f97b3c9408e
[   11.916771][  T255] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   11.917361][  T255] RSP: 002b:00007ffdb5d351a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   11.917572][  T255] RAX: ffffffffffffffda RBX: 00007ffdb5d35948 RCX: 00007f97b3c9408e
[   11.917778][  T255] RDX: 0000000000000000 RSI: 00007ffdb5d35250 RDI: 0000000000000005
[   11.918084][  T255] RBP: 00007ffdb5d351b0 R08: 0000000000000000 R09: 0000000000000000
[   11.918288][  T255] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   11.918494][  T255] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdb5d35910
| [   11.920145][  T255] ---[ end trace 0000000000000000 ]---
| [   12.009406][  T258] ------------[ cut here ]------------
| [   12.009569][  T258] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/258
| [   12.010082][  T258] Tainted: [W]=WARN
[   12.010183][  T258] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.010350][  T258] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.010524][  T258] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.011008][  T258] RSP: 0018:ffa0000000b17020 EFLAGS: 00010286
[   12.011176][  T258] RAX: 00000000ffffffa6 RBX: ff1100000a743380 RCX: 1ff4000000162dca
[   12.011375][  T258] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a743438
[   12.011573][  T258] RBP: ff1100000d754000 R08: 1fe22000014e8688 R09: ff1100000c810b58
[   12.011772][  T258] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.012035][  T258] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d754ce1
[   12.012234][  T258] FS:  00007fd9e0735840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   12.012467][  T258] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.012636][  T258] CR2: 000000002a236988 CR3: 000000000c97a002 CR4: 0000000000771ef0
[   12.012893][  T258] PKRU: 55555554
[   12.012997][  T258] Call Trace:
[   12.013096][  T258]  <TASK>
[   12.013199][  T258]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.013334][  T258]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.013435][  T258]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.013572][  T258]  __dev_notify_flags (net/core/dev.c:9787)
[   12.013706][  T258]  ? netif_change_name (net/core/dev.c:1495)
[   12.013846][  T258]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.013986][  T258]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.014118][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.014252][  T258]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.014387][  T258]  netif_change_flags (net/core/dev.c:9820)
[   12.014523][  T258]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.014657][  T258]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.014790][  T258]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.014966][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.015097][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.015233][  T258]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.015366][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.015502][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.015635][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.015768][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.015908][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.016050][  T258]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.016184][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.016316][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.016450][  T258]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.016584][  T258]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.016718][  T258]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.016856][  T258]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.016997][  T258]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.017135][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.017272][  T258]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.017409][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.017542][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.017677][  T258]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.017818][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.017951][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.018089][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.018225][  T258]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.018359][  T258]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.018492][  T258]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.018627][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.018760][  T258]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.018899][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.019037][  T258]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.019169][  T258]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.019303][  T258]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.019436][  T258]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.019570][  T258]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.019708][  T258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.019846][  T258]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.019985][  T258]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.020120][  T258]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.020253][  T258]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.020389][  T258]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.020525][  T258]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.020658][  T258]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.020793][  T258]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.020932][  T258]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.021070][  T258]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.021237][  T258]  ? move_addr_to_kernel (net/socket.c:258)
[   12.021371][  T258]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.021505][  T258]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.021640][  T258]  ___sys_sendmsg (net/socket.c:2752)
[   12.021773][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.021947][  T258]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.022096][  T258]  __sys_sendmsg (net/socket.c:2784)
[   12.022229][  T258]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.022364][  T258]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.022534][  T258]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.022667][  T258]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.022800][  T258]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.023001][  T258]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.023133][  T258]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.023267][  T258]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.023432][  T258] RIP: 0033:0x7fd9e096f08e
[   12.023568][  T258] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.024051][  T258] RSP: 002b:00007ffd05587640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.024253][  T258] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd9e096f08e
[   12.024452][  T258] RDX: 0000000000000000 RSI: 00007ffd055876f0 RDI: 0000000000000005
[   12.024652][  T258] RBP: 00007ffd05587650 R08: 0000000000000000 R09: 0000000000000000
[   12.024854][  T258] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   12.025059][  T258] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd05587dc0
| [   12.026389][  T258] ---[ end trace 0000000000000000 ]---
| [   12.107225][  T261] ------------[ cut here ]------------
| [   12.107384][  T261] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/261
| [   12.107903][  T261] Tainted: [W]=WARN
[   12.108011][  T261] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.108180][  T261] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.108363][  T261] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.108849][  T261] RSP: 0018:ffa0000000b47020 EFLAGS: 00010286
[   12.109029][  T261] RAX: 00000000ffffffa6 RBX: ff110000091f0c80 RCX: 1ff4000000168dca
[   12.109232][  T261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f0d38
[   12.109432][  T261] RBP: ff1100000d751000 R08: 1fe220000123e1a8 R09: ff1100000c665158
[   12.109633][  T261] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.109839][  T261] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d751ce1
[   12.110047][  T261] FS:  00007fa34ab1b840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   12.110282][  T261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.110449][  T261] CR2: 000000003c7b5988 CR3: 000000000f97f004 CR4: 0000000000771ef0
[   12.110652][  T261] PKRU: 55555554
[   12.110753][  T261] Call Trace:
[   12.110859][  T261]  <TASK>
[   12.110929][  T261]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.111071][  T261]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.111175][  T261]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.111313][  T261]  __dev_notify_flags (net/core/dev.c:9787)
[   12.111449][  T261]  ? netif_change_name (net/core/dev.c:1495)
[   12.111584][  T261]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.111721][  T261]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.111861][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.112000][  T261]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.112137][  T261]  netif_change_flags (net/core/dev.c:9820)
[   12.112273][  T261]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.112411][  T261]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.112546][  T261]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.112713][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.112852][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.112993][  T261]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.113126][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.113262][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.113396][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.113530][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.113665][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.113800][  T261]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.113941][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.114080][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.114213][  T261]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.114351][  T261]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.114486][  T261]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.114620][  T261]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.114754][  T261]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.114957][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.115094][  T261]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.115230][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.115365][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.115499][  T261]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.115635][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.115769][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.115965][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.116100][  T261]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.116234][  T261]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.116369][  T261]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.116502][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.116636][  T261]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.116769][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.116963][  T261]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.117098][  T261]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.117236][  T261]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.117374][  T261]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.117508][  T261]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.117644][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.117779][  T261]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.117927][  T261]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.118065][  T261]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.118198][  T261]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.118336][  T261]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.118472][  T261]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.118606][  T261]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.118741][  T261]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.118882][  T261]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.119021][  T261]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.119188][  T261]  ? move_addr_to_kernel (net/socket.c:258)
[   12.119323][  T261]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.119456][  T261]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.119591][  T261]  ___sys_sendmsg (net/socket.c:2752)
[   12.119724][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.119897][  T261]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.120043][  T261]  __sys_sendmsg (net/socket.c:2784)
[   12.120178][  T261]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.120311][  T261]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.120479][  T261]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.120613][  T261]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.120749][  T261]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.120888][  T261]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.121025][  T261]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.121161][  T261]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.121328][  T261] RIP: 0033:0x7fa34ad5508e
[   12.121466][  T261] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.121942][  T261] RSP: 002b:00007ffdfd74e660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.122147][  T261] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fa34ad5508e
[   12.122346][  T261] RDX: 0000000000000000 RSI: 00007ffdfd74e710 RDI: 0000000000000005
[   12.122545][  T261] RBP: 00007ffdfd74e670 R08: 0000000000000000 R09: 0000000000000000
[   12.122744][  T261] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   12.122948][  T261] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffdfd74ede0
| [   12.124279][  T261] ---[ end trace 0000000000000000 ]---
| [   12.125513][   T71] ------------[ cut here ]------------
| [   12.125653][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 2/71
| [   12.126207][   T71] Tainted: [W]=WARN
[   12.126302][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.126458][   T71] Workqueue: events_unbound linkwatch_event
[   12.126618][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.126779][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.127226][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   12.127382][   T71] RAX: 00000000ffffffa6 RBX: ff110000091f1540 RCX: 1ff4000000098f02
[   12.127574][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f15f8
[   12.127763][   T71] RBP: ff1100000d751000 R08: 1fe220000123e2c0 R09: ff11000005bfaea8
[   12.127967][   T71] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   12.128153][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.128338][   T71] FS:  0000000000000000(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   12.128556][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.128712][   T71] CR2: 00007f9eb4b64574 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   12.128906][   T71] PKRU: 55555554
[   12.129003][   T71] Call Trace:
[   12.129096][   T71]  <TASK>
[   12.129161][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.129285][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.129414][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.129508][   T71]  netif_state_change (net/core/dev.c:1605)
[   12.129631][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.129786][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.129915][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.130044][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.130170][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.130294][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   12.130417][   T71]  process_one_work (kernel/workqueue.c:3314)
[   12.130545][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.130668][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.130795][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.130928][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.131055][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.131182][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.131311][   T71]  kthread (kernel/kthread.c:436)
[   12.131405][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.131560][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.131685][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.131817][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.131979][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.132105][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.132231][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.133423][   T71] ---[ end trace 0000000000000000 ]---
| [   12.135657][   T71] ------------[ cut here ]------------
| [   12.135799][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 2/71
| [   12.136359][   T71] Tainted: [W]=WARN
[   12.136455][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.136613][   T71] Workqueue: events_unbound linkwatch_event
[   12.136774][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.136943][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.137395][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   12.137551][   T71] RAX: 00000000ffffffa6 RBX: ff110000097ab540 RCX: 1ff4000000098f02
[   12.137739][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097ab5f8
[   12.138065][   T71] RBP: ff1100000d754000 R08: 1fe22000012f56c0 R09: ff11000005bfaea8
[   12.138252][   T71] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   12.138438][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.138701][   T71] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   12.139007][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.139166][   T71] CR2: 00007fa34abe8574 CR3: 0000000037f49005 CR4: 0000000000771ef0
[   12.139352][   T71] PKRU: 55555554
[   12.139448][   T71] Call Trace:
[   12.139542][   T71]  <TASK>
[   12.139607][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.139733][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.139937][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.140038][   T71]  netif_state_change (net/core/dev.c:1605)
[   12.140163][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.140320][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.140445][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.140571][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.140700][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.140910][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   12.141045][   T71]  process_one_work (kernel/workqueue.c:3314)
[   12.141175][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.141300][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.141428][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.141555][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.141681][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.141882][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.142018][   T71]  kthread (kernel/kthread.c:436)
[   12.142112][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.142268][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.142393][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.142520][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.142676][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.142876][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.143008][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.144257][   T71] ---[ end trace 0000000000000000 ]---
| [   12.171532][  T262] ------------[ cut here ]------------
| [   12.171735][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/262
| [   12.172546][  T262] Tainted: [W]=WARN
[   12.172790][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.173105][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.173417][  T262] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.174030][  T262] RSP: 0018:ffa0000000b56e20 EFLAGS: 00010286
[   12.174319][  T262] RAX: 00000000ffffffa6 RBX: ff1100000c0fb540 RCX: 1ff400000016ad8a
[   12.174629][  T262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0fb5f8
[   12.174918][  T262] RBP: ff1100000f821000 R08: 1fe220000181f6c0 R09: ff1100000c662e80
[   12.175174][  T262] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.175431][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094b2008
[   12.175684][  T262] FS:  00007f4aa9a41840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   12.175989][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.176211][  T262] CR2: 000000000042ebe0 CR3: 0000000008cc7005 CR4: 0000000000771ef0
[   12.176468][  T262] PKRU: 55555554
[   12.176617][  T262] Call Trace:
[   12.176766][  T262]  <TASK>
[   12.176894][  T262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.177097][  T262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.177252][  T262]  ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[   12.177469][  T262]  __dev_notify_flags (net/core/dev.c:9787)
[   12.177654][  T262]  ? __mod_timer (kernel/time/timer.c:1139 (discriminator 3))
[   12.177855][  T262]  ? netif_change_name (net/core/dev.c:1495)
[   12.178048][  T262]  ? rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.178234][  T262]  ? rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.178419][  T262]  ? netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.178603][  T262]  ? add_timer_on (kernel/time/timer.c:925 (discriminator 5))
[   12.178787][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.178991][  T262]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.179180][  T262]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.179367][  T262]  ? lockdep_hardirqs_on (kernel/locking/lockdep.c:4472)
[   12.179552][  T262]  ? queue_delayed_work_on (kernel/workqueue.c:2616 (discriminator 6))
[   12.179737][  T262]  veth_newlink (drivers/net/veth.c:1871)
[   12.179940][  T262]  ? veth_poll_controller (drivers/net/veth.c:1470)
[   12.180131][  T262]  ? kasan_save_stack (mm/kasan/common.c:57)
[   12.180316][  T262]  ? kasan_save_track (mm/kasan/common.c:78)
[   12.180501][  T262]  ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[   12.180702][  T262]  ? __kvmalloc_node_noprof (mm/slub.c:5296 mm/slub.c:6832)
[   12.180900][  T262]  ? alloc_netdev_mqs (net/core/dev.c:12129 (discriminator 7))
[   12.181095][  T262]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.181281][  T262]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.181467][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3720)
[   12.181653][  T262]  rtnl_newlink_create (net/core/rtnetlink.c:3904)
[   12.181853][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.182051][  T262]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.182236][  T262]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.182426][  T262]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.182615][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.182800][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.183003][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.183188][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.183378][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.183567][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.183753][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.183951][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.184143][  T262]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.184328][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.184514][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.184696][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.184894][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.185085][  T262]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.185293][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.185481][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.185664][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.185859][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.186053][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.186238][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.186426][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.186611][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.186796][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.187001][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.187187][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.187370][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.187585][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   12.187776][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   12.187981][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.188170][  T262]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.188392][  T262]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.188575][  T262]  __sys_sendmsg (net/socket.c:2784)
[   12.188760][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.188968][  T262]  ? 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)
[   12.189157][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.189346][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.189530][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.189715][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.189914][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.190140][  T262] RIP: 0033:0x7f4aa9c7b08e
[   12.190330][  T262] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.190880][  T262] RSP: 002b:00007ffcf4bb42d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.191139][  T262] RAX: ffffffffffffffda RBX: 00007ffcf4bb4a78 RCX: 00007f4aa9c7b08e
[   12.191390][  T262] RDX: 0000000000000000 RSI: 00007ffcf4bb4380 RDI: 0000000000000005
[   12.191644][  T262] RBP: 00007ffcf4bb42e0 R08: 0000000000000000 R09: 0000000000000000
[   12.191910][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   12.192168][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf4bb4a40
| [   12.193896][  T262] ---[ end trace 0000000000000000 ]---
| [   12.201602][  T262] ------------[ cut here ]------------
| [   12.201822][  T262] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/262
| [   12.202453][  T262] Tainted: [W]=WARN
[   12.202602][  T262] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.202892][  T262] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.203184][  T262] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.203740][  T262] RSP: 0018:ffa0000000b571a0 EFLAGS: 00010286
[   12.203977][  T262] RAX: 00000000ffffffa6 RBX: ff1100000a742c80 RCX: 1ff400000016adfa
[   12.204229][  T262] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a742d38
[   12.204478][  T262] RBP: ff1100000c98c000 R08: 1fe22000014e85a8 R09: ff1100000c662e80
[   12.204727][  T262] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   12.204998][  T262] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.205249][  T262] FS:  00007f4aa9a41840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   12.205532][  T262] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.205749][  T262] CR2: 000000000042ebe0 CR3: 0000000008cc7005 CR4: 0000000000771ef0
[   12.206029][  T262] PKRU: 55555554
[   12.206178][  T262] Call Trace:
[   12.206327][  T262]  <TASK>
[   12.206444][  T262]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.206628][  T262]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.206779][  T262]  __dev_notify_flags (net/core/dev.c:9787)
[   12.206981][  T262]  ? netif_change_name (net/core/dev.c:1495)
[   12.207166][  T262]  ? rtnl_af_lookup (net/core/rtnetlink.c:763 (discriminator 1))
[   12.207354][  T262]  ? alloc_netdev_mqs (net/core/dev.c:12133)
[   12.207539][  T262]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.207725][  T262]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.207923][  T262]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.208115][  T262]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.208299][  T262]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.208490][  T262]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.208677][  T262]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.208878][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.209067][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.209249][  T262]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.209435][  T262]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.209621][  T262]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.209817][  T262]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.210006][  T262]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.210192][  T262]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.210374][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.210557][  T262]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.210737][  T262]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.210933][  T262]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.211123][  T262]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.211307][  T262]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.211494][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.211677][  T262]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.211877][  T262]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.212068][  T262]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.212251][  T262]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.212437][  T262]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.212622][  T262]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.212820][  T262]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.213013][  T262]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.213205][  T262]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.213390][  T262]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.213604][  T262]  ? move_addr_to_kernel (net/socket.c:258)
[   12.213792][  T262]  ___sys_sendmsg (net/socket.c:2752)
[   12.213998][  T262]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.214188][  T262]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.214412][  T262]  ? do_sys_openat2 (./include/linux/fs.h:2553 fs/open.c:1363)
[   12.214598][  T262]  __sys_sendmsg (net/socket.c:2784)
[   12.214784][  T262]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.214990][  T262]  ? 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)
[   12.215172][  T262]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.215356][  T262]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.215538][  T262]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.215721][  T262]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.215924][  T262]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.216146][  T262] RIP: 0033:0x7f4aa9c7b08e
[   12.216335][  T262] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.216869][  T262] RSP: 002b:00007ffcf4bb42d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.217133][  T262] RAX: ffffffffffffffda RBX: 00007ffcf4bb4a78 RCX: 00007f4aa9c7b08e
[   12.217381][  T262] RDX: 0000000000000000 RSI: 00007ffcf4bb4380 RDI: 0000000000000005
[   12.217628][  T262] RBP: 00007ffcf4bb42e0 R08: 0000000000000000 R09: 0000000000000000
[   12.217888][  T262] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   12.218147][  T262] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcf4bb4a40
| [   12.219864][  T262] ---[ end trace 0000000000000000 ]---
| [   12.301455][  T265] ------------[ cut here ]------------
| [   12.301655][  T265] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/265
| [   12.302275][  T265] Tainted: [W]=WARN
[   12.302423][  T265] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.302636][  T265] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.302870][  T265] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.303411][  T265] RSP: 0018:ffa0000000b87020 EFLAGS: 00010286
[   12.303638][  T265] RAX: 00000000ffffffa6 RBX: ff110000092ebc40 RCX: 1ff4000000170dca
[   12.303973][  T265] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092ebcf8
[   12.304286][  T265] RBP: ff1100000c98c000 R08: 1fe220000125d7a0 R09: ff1100000d6d0b58
[   12.304600][  T265] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   12.304945][  T265] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c98cce1
[   12.305280][  T265] FS:  00007f7dafe8f840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   12.305649][  T265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.305934][  T265] CR2: 000000002b9c1988 CR3: 000000000f9db003 CR4: 0000000000771ef0
[   12.306188][  T265] PKRU: 55555554
[   12.306337][  T265] Call Trace:
[   12.306485][  T265]  <TASK>
[   12.306602][  T265]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.306787][  T265]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.306951][  T265]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.307145][  T265]  __dev_notify_flags (net/core/dev.c:9787)
[   12.307330][  T265]  ? netif_change_name (net/core/dev.c:1495)
[   12.307512][  T265]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.307694][  T265]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.307887][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.308081][  T265]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.308267][  T265]  netif_change_flags (net/core/dev.c:9820)
[   12.308451][  T265]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.308636][  T265]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.308832][  T265]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.309059][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.309242][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.309426][  T265]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.309611][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.309796][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.309999][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.310181][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.310362][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.310543][  T265]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.310722][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.310916][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.311106][  T265]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.311288][  T265]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.311468][  T265]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.311650][  T265]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.311845][  T265]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.312037][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.312221][  T265]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.312405][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.312591][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.312770][  T265]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.312970][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.313151][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.313333][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.313514][  T265]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.313695][  T265]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.313889][  T265]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.314081][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.314267][  T265]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.314448][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.314632][  T265]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.314824][  T265]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.315017][  T265]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.315199][  T265]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.315384][  T265]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.315567][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.315746][  T265]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.315941][  T265]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.316132][  T265]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.316314][  T265]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.316495][  T265]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.316678][  T265]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.316878][  T265]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.317070][  T265]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.317251][  T265]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.317431][  T265]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.317642][  T265]  ? move_addr_to_kernel (net/socket.c:258)
[   12.317839][  T265]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.318030][  T265]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.318215][  T265]  ___sys_sendmsg (net/socket.c:2752)
[   12.318395][  T265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.318609][  T265]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.318799][  T265]  __sys_sendmsg (net/socket.c:2784)
[   12.319003][  T265]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.319185][  T265]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.319399][  T265]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.319582][  T265]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.319764][  T265]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.319991][  T265]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.320173][  T265]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.320356][  T265]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.320569][  T265] RIP: 0033:0x7f7db00c908e
[   12.320754][  T265] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.321295][  T265] RSP: 002b:00007ffeb86f6730 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.321541][  T265] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f7db00c908e
[   12.321787][  T265] RDX: 0000000000000000 RSI: 00007ffeb86f67e0 RDI: 0000000000000005
[   12.322057][  T265] RBP: 00007ffeb86f6740 R08: 0000000000000000 R09: 0000000000000000
[   12.322304][  T265] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   12.322548][  T265] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffeb86f6eb0
| [   12.324244][  T265] ---[ end trace 0000000000000000 ]---
| [   12.394475][  T268] ------------[ cut here ]------------
| [   12.394638][  T268] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/268
| [   12.395137][  T268] Tainted: [W]=WARN
[   12.395234][  T268] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.395428][  T268] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.395600][  T268] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.396076][  T268] RSP: 0018:ffa0000000ba7020 EFLAGS: 00010286
[   12.396238][  T268] RAX: 00000000ffffffa6 RBX: ff110000097ab700 RCX: 1ff4000000174dca
[   12.396432][  T268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097ab7b8
[   12.396626][  T268] RBP: ff1100000f821000 R08: 1fe22000012f56f8 R09: ff1100000ba10b58
[   12.396828][  T268] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.397029][  T268] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f821ce1
[   12.397225][  T268] FS:  00007f6c8aae9840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   12.397453][  T268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.397617][  T268] CR2: 0000000008165988 CR3: 000000000fae7002 CR4: 0000000000771ef0
[   12.397817][  T268] PKRU: 55555554
[   12.397915][  T268] Call Trace:
[   12.398016][  T268]  <TASK>
[   12.398082][  T268]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.398215][  T268]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.398314][  T268]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.398444][  T268]  __dev_notify_flags (net/core/dev.c:9787)
[   12.398577][  T268]  ? netif_change_name (net/core/dev.c:1495)
[   12.398710][  T268]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.398847][  T268]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.398980][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.399109][  T268]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.399241][  T268]  netif_change_flags (net/core/dev.c:9820)
[   12.399370][  T268]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.399501][  T268]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.399634][  T268]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.399794][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.399930][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.400108][  T268]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.400237][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.400368][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.400500][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.400629][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.400758][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.400894][  T268]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.401032][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.401162][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.401292][  T268]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.401424][  T268]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.401558][  T268]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.401689][  T268]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.401826][  T268]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.401961][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.402093][  T268]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.402223][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.402381][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.402511][  T268]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.402641][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.402771][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.402994][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.403125][  T268]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.403279][  T268]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.403410][  T268]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.403537][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.403666][  T268]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.403793][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.404016][  T268]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.404149][  T268]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.404279][  T268]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.404408][  T268]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.404538][  T268]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.404671][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.404801][  T268]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.405016][  T268]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.405150][  T268]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.405284][  T268]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.405418][  T268]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.405554][  T268]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.405688][  T268]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.405892][  T268]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.406028][  T268]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.406158][  T268]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.406321][  T268]  ? move_addr_to_kernel (net/socket.c:258)
[   12.406456][  T268]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.406592][  T268]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.406726][  T268]  ___sys_sendmsg (net/socket.c:2752)
[   12.406943][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.407116][  T268]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.407255][  T268]  __sys_sendmsg (net/socket.c:2784)
[   12.407382][  T268]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.407511][  T268]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.407671][  T268]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.407904][  T268]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.408041][  T268]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.408169][  T268]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.408297][  T268]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.408427][  T268]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.408585][  T268] RIP: 0033:0x7f6c8ad2308e
[   12.408720][  T268] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.409239][  T268] RSP: 002b:00007ffcb6d86050 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.409435][  T268] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6c8ad2308e
[   12.409628][  T268] RDX: 0000000000000000 RSI: 00007ffcb6d86100 RDI: 0000000000000005
[   12.409965][  T268] RBP: 00007ffcb6d86060 R08: 0000000000000000 R09: 0000000000000000
[   12.410174][  T268] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   12.410367][  T268] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcb6d867d0
| [   12.411903][  T268] ---[ end trace 0000000000000000 ]---
| [   12.419104][   T71] ------------[ cut here ]------------
| [   12.419298][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/71
| [   12.419906][   T71] Tainted: [W]=WARN
[   12.420050][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.420246][   T71] Workqueue: events_unbound linkwatch_event
[   12.420447][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.420648][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.421152][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   12.421348][   T71] RAX: 00000000ffffffa6 RBX: ff11000008bf51c0 RCX: 1ff4000000098f02
[   12.421573][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bf5278
[   12.421846][   T71] RBP: ff1100000f821000 R08: 1fe220000117ea50 R09: ff11000005bfaea8
[   12.422079][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.422306][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.422548][   T71] FS:  0000000000000000(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   12.422819][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.423023][   T71] CR2: 00007f4e37f81574 CR3: 0000000037f49006 CR4: 0000000000771ef0
[   12.423259][   T71] PKRU: 55555554
[   12.423419][   T71] Call Trace:
[   12.423554][   T71]  <TASK>
[   12.423662][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.423842][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.424037][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.424185][   T71]  netif_state_change (net/core/dev.c:1605)
[   12.424355][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.424556][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.424725][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.424908][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.425088][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.425261][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   12.425430][   T71]  process_one_work (kernel/workqueue.c:3314)
[   12.425604][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.425771][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.425962][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.426133][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.426301][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.426471][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.426639][   T71]  kthread (kernel/kthread.c:436)
[   12.426778][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.426996][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.427168][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.427340][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.427538][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.427708][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.427892][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.429402][   T71] ---[ end trace 0000000000000000 ]---
| [   12.430149][   T71] ------------[ cut here ]------------
| [   12.430317][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/71
| [   12.430942][   T71] Tainted: [W]=WARN
[   12.431091][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.431290][   T71] Workqueue: events_unbound linkwatch_event
[   12.431496][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.431712][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.432305][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   12.432505][   T71] RAX: 00000000ffffffa6 RBX: ff11000008bf5e00 RCX: 1ff4000000098f02
[   12.432734][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bf5eb8
[   12.432982][   T71] RBP: ff1100000c98c000 R08: 1fe220000117ebd8 R09: ff11000005bfaea8
[   12.433213][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   12.433441][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   12.433671][   T71] FS:  0000000000000000(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   12.433945][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.434169][   T71] CR2: 00007f4e37f81574 CR3: 0000000037f49006 CR4: 0000000000771ef0
[   12.434406][   T71] PKRU: 55555554
[   12.434545][   T71] Call Trace:
[   12.434682][   T71]  <TASK>
[   12.434964][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.435135][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.435304][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.435445][   T71]  netif_state_change (net/core/dev.c:1605)
[   12.435618][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   12.435833][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   12.436028][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   12.436200][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.436375][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   12.436546][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   12.436716][   T71]  process_one_work (kernel/workqueue.c:3314)
[   12.436907][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   12.437235][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.437408][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   12.437579][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.437748][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   12.437934][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   12.438113][   T71]  kthread (kernel/kthread.c:436)
[   12.438257][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   12.438456][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.438778][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   12.438971][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   12.439187][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   12.439360][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   12.439611][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   12.441254][   T71] ---[ end trace 0000000000000000 ]---
| [   12.484512][  T269] ------------[ cut here ]------------
| [   12.484669][  T269] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/269
| [   12.485250][  T269] Tainted: [W]=WARN
[   12.485353][  T269] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.485523][  T269] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.485698][  T269] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.486188][  T269] RSP: 0018:ffa0000000bb71a0 EFLAGS: 00010286
[   12.486358][  T269] RAX: 00000000ffffffa6 RBX: ff11000004ad6900 RCX: 1ff4000000176dfa
[   12.486562][  T269] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000004ad69b8
[   12.486764][  T269] RBP: ff1100000fb0c000 R08: 1fe220000095ad38 R09: ff1100000ba12e80
[   12.486976][  T269] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.487178][  T269] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.487383][  T269] FS:  00007fb1b05b3ec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   12.487621][  T269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.487792][  T269] CR2: 00007fb1b0914004 CR3: 000000000fb3a004 CR4: 0000000000771ef0
[   12.488010][  T269] PKRU: 55555554
[   12.488112][  T269] Call Trace:
[   12.488214][  T269]  <TASK>
[   12.488283][  T269]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.488422][  T269]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.488524][  T269]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.488662][  T269]  __dev_notify_flags (net/core/dev.c:9787)
[   12.488797][  T269]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.488937][  T269]  ? netif_change_name (net/core/dev.c:1495)
[   12.489103][  T269]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.489241][  T269]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   12.489377][  T269]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.489515][  T269]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.489657][  T269]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.489792][  T269]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.489950][  T269]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.490100][  T269]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.490240][  T269]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.490389][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.490520][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.490653][  T269]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.490791][  T269]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.490929][  T269]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.491067][  T269]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.491200][  T269]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.491331][  T269]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.491462][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.491594][  T269]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.491728][  T269]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.491867][  T269]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.492003][  T269]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.492134][  T269]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.492268][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.492398][  T269]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.492531][  T269]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.492666][  T269]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.492798][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.492936][  T269]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.493072][  T269]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.493205][  T269]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.493338][  T269]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.493470][  T269]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.493601][  T269]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.493765][  T269]  ? move_addr_to_kernel (net/socket.c:258)
[   12.493901][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.494037][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.494201][  T269]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.494332][  T269]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.494496][  T269]  ___sys_sendmsg (net/socket.c:2752)
[   12.494629][  T269]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.494760][  T269]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.494905][  T269]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.495041][  T269]  ? do_getsockname (net/socket.c:2192)
[   12.495174][  T269]  __sys_sendmsg (net/socket.c:2784)
[   12.495305][  T269]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.495439][  T269]  ? __sys_getsockname (net/socket.c:2210)
[   12.495569][  T269]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.495702][  T269]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.495838][  T269]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.495975][  T269]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.496108][  T269]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.496271][  T269] RIP: 0033:0x7fb1b066808e
[   12.496408][  T269] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.496883][  T269] RSP: 002b:00007ffd975b2f40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.497088][  T269] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fb1b066808e
[   12.497283][  T269] RDX: 0000000000000000 RSI: 00007ffd975b2fc0 RDI: 0000000000000005
[   12.497479][  T269] RBP: 00007ffd975b2f50 R08: 0000000000000000 R09: 0000000000000000
[   12.497677][  T269] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd975b76e8
[   12.497880][  T269] R13: 0000000000000004 R14: 00007fb1b0954000 R15: 000000000040bda8
| [   12.499203][  T269] ---[ end trace 0000000000000000 ]---
| [   12.560146][  T271] ------------[ cut here ]------------
| [   12.560335][  T271] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/271
| [   12.560850][  T271] Tainted: [W]=WARN
[   12.560948][  T271] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.561120][  T271] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.561292][  T271] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.561792][  T271] RSP: 0018:ffa0000000bc7020 EFLAGS: 00010286
[   12.561974][  T271] RAX: 00000000ffffffa6 RBX: ff1100000c234900 RCX: 1ff4000000178dca
[   12.562172][  T271] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c2349b8
[   12.562368][  T271] RBP: ff1100000fb0c000 R08: 1fe2200001846938 R09: ff1100000b8bae58
[   12.562573][  T271] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.562772][  T271] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb0cce1
[   12.562982][  T271] FS:  00007fdd8ed30840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   12.563212][  T271] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.563377][  T271] CR2: 00007fdd8f0001a0 CR3: 000000000f849006 CR4: 0000000000771ef0
[   12.563574][  T271] PKRU: 55555554
[   12.563677][  T271] Call Trace:
[   12.563774][  T271]  <TASK>
[   12.563848][  T271]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.563985][  T271]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.564114][  T271]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.564249][  T271]  __dev_notify_flags (net/core/dev.c:9787)
[   12.564381][  T271]  ? netif_change_name (net/core/dev.c:1495)
[   12.564510][  T271]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.564643][  T271]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.564773][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.564910][  T271]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.565047][  T271]  netif_change_flags (net/core/dev.c:9820)
[   12.565180][  T271]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.565312][  T271]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.565448][  T271]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.565611][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.565741][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.565878][  T271]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.566013][  T271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.566146][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.566278][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.566409][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.566539][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.566669][  T271]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.566795][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.566929][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.567062][  T271]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.567193][  T271]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.567324][  T271]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.567458][  T271]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.567589][  T271]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.567721][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.567865][  T271]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.568003][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.568133][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.568281][  T271]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.568413][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.568546][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.568675][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.568810][  T271]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.568940][  T271]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.569100][  T271]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.569230][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.569359][  T271]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.569488][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.569619][  T271]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.569747][  T271]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.569972][  T271]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.570106][  T271]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.570235][  T271]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.570370][  T271]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.570500][  T271]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.570632][  T271]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.570763][  T271]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.570970][  T271]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.571104][  T271]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.571234][  T271]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.571364][  T271]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.571495][  T271]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.571626][  T271]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.571759][  T271]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.572006][  T271]  ? move_addr_to_kernel (net/socket.c:258)
[   12.572139][  T271]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.572269][  T271]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.572428][  T271]  ___sys_sendmsg (net/socket.c:2752)
[   12.572557][  T271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.572720][  T271]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.572925][  T271]  __sys_sendmsg (net/socket.c:2784)
[   12.573060][  T271]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.573188][  T271]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.573350][  T271]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.573484][  T271]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.573619][  T271]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.573752][  T271]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.573984][  T271]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.574128][  T271]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.574296][  T271] RIP: 0033:0x7fdd8ef6a08e
[   12.574433][  T271] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.574902][  T271] RSP: 002b:00007ffc86217500 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.575104][  T271] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fdd8ef6a08e
[   12.575297][  T271] RDX: 0000000000000000 RSI: 00007ffc862175b0 RDI: 0000000000000005
[   12.575490][  T271] RBP: 00007ffc86217510 R08: 0000000000000000 R09: 0000000000000000
[   12.575684][  T271] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd13
[   12.575882][  T271] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc86217c80
| [   12.577210][  T271] ---[ end trace 0000000000000000 ]---
| [   12.667146][  T275] ------------[ cut here ]------------
| [   12.667329][  T275] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/275
| [   12.667885][  T275] Tainted: [W]=WARN
[   12.667994][  T275] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.668167][  T275] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.668344][  T275] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.668839][  T275] RSP: 0018:ffa0000000bf71a0 EFLAGS: 00010286
[   12.669020][  T275] RAX: 00000000ffffffa6 RBX: ff1100000a53dc40 RCX: 1ff400000017edfa
[   12.669221][  T275] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a53dcf8
[   12.669422][  T275] RBP: ff11000008a09000 R08: 1fe22000014a7ba0 R09: ff1100000c6a2e80
[   12.669622][  T275] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   12.669828][  T275] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.670033][  T275] FS:  00007fbdcaa6eec0(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   12.670272][  T275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.670443][  T275] CR2: 00007fbdcadcf004 CR3: 000000000f8cc006 CR4: 0000000000771ef0
[   12.670647][  T275] PKRU: 55555554
[   12.670748][  T275] Call Trace:
[   12.670946][  T275]  <TASK>
[   12.671023][  T275]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.671161][  T275]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.671263][  T275]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.671397][  T275]  __dev_notify_flags (net/core/dev.c:9787)
[   12.671531][  T275]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.671670][  T275]  ? netif_change_name (net/core/dev.c:1495)
[   12.671881][  T275]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.672025][  T275]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   12.672163][  T275]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.672296][  T275]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   12.672437][  T275]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.672575][  T275]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.672710][  T275]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.672902][  T275]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.673045][  T275]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.673182][  T275]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.673316][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.673450][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.673582][  T275]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.673716][  T275]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.673891][  T275]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.674027][  T275]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.674159][  T275]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.674291][  T275]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.674424][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.674557][  T275]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.674688][  T275]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.674828][  T275]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.674964][  T275]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.675095][  T275]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.675233][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.675365][  T275]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.675499][  T275]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.675632][  T275]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.675764][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.675904][  T275]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.676062][  T275]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.676197][  T275]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.676333][  T275]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.676468][  T275]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.676599][  T275]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.676762][  T275]  ? move_addr_to_kernel (net/socket.c:258)
[   12.676898][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.677039][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.677205][  T275]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.677336][  T275]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.677501][  T275]  ___sys_sendmsg (net/socket.c:2752)
[   12.677634][  T275]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.677768][  T275]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.677916][  T275]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.678054][  T275]  ? do_getsockname (net/socket.c:2192)
[   12.678192][  T275]  __sys_sendmsg (net/socket.c:2784)
[   12.678325][  T275]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.678501][  T275]  ? __sys_getsockname (net/socket.c:2210)
[   12.678634][  T275]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.678768][  T275]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.678909][  T275]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.679047][  T275]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.679180][  T275]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.679349][  T275] RIP: 0033:0x7fbdcab2308e
[   12.679488][  T275] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.679973][  T275] RSP: 002b:00007ffe8a64d520 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.680175][  T275] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fbdcab2308e
[   12.680378][  T275] RDX: 0000000000000000 RSI: 00007ffe8a64d5a0 RDI: 0000000000000005
[   12.680577][  T275] RBP: 00007ffe8a64d530 R08: 0000000000000000 R09: 0000000000000000
[   12.680776][  T275] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe8a651cc8
[   12.680986][  T275] R13: 0000000000000004 R14: 00007fbdcae0f000 R15: 000000000040bda8
| [   12.682340][  T275] ---[ end trace 0000000000000000 ]---
| [   12.815472][  T282] ------------[ cut here ]------------
| [   12.815646][  T282] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/282
| [   12.816167][  T282] Tainted: [W]=WARN
[   12.816266][  T282] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.816428][  T282] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.816601][  T282] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.817444][  T282] RSP: 0018:ffa0000000c27020 EFLAGS: 00010286
[   12.817611][  T282] RAX: 00000000ffffffa6 RBX: ff11000008bf4580 RCX: 1ff4000000184dca
[   12.817891][  T282] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000008bf4638
[   12.818090][  T282] RBP: ff11000008a09000 R08: 1fe220000117e8c8 R09: ff1100000ca75158
[   12.818285][  T282] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   12.818483][  T282] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a09ce1
[   12.818682][  T282] FS:  00007f6ecf9a7840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   12.819007][  T282] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.819175][  T282] CR2: 000000003b6ed988 CR3: 000000000fba7006 CR4: 0000000000771ef0
[   12.819377][  T282] PKRU: 55555554
[   12.819476][  T282] Call Trace:
[   12.819661][  T282]  <TASK>
[   12.819730][  T282]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.819919][  T282]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.820043][  T282]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.820176][  T282]  __dev_notify_flags (net/core/dev.c:9787)
[   12.820306][  T282]  ? netif_change_name (net/core/dev.c:1495)
[   12.820434][  T282]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.820564][  T282]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.820693][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.820880][  T282]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.821031][  T282]  netif_change_flags (net/core/dev.c:9820)
[   12.821163][  T282]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.821296][  T282]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.821430][  T282]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.821592][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.821722][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.821914][  T282]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.822050][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.822183][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.822315][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.822444][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.822576][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.822708][  T282]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   12.822841][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.822973][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.823102][  T282]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   12.823232][  T282]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   12.823364][  T282]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   12.823493][  T282]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.823623][  T282]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   12.823755][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   12.823894][  T282]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.824031][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.824160][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.824289][  T282]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.824420][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.824547][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.824677][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.824812][  T282]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.824943][  T282]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.825076][  T282]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.825206][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.825334][  T282]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.825463][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.825617][  T282]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.825744][  T282]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.825881][  T282]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.826016][  T282]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.826148][  T282]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.826292][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.826422][  T282]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.826570][  T282]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.826700][  T282]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.826838][  T282]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.826977][  T282]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.827112][  T282]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.827246][  T282]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.827378][  T282]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.827509][  T282]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.827637][  T282]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.827797][  T282]  ? move_addr_to_kernel (net/socket.c:258)
[   12.827934][  T282]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.828079][  T282]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.828212][  T282]  ___sys_sendmsg (net/socket.c:2752)
[   12.828340][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   12.828500][  T282]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.828639][  T282]  __sys_sendmsg (net/socket.c:2784)
[   12.828769][  T282]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.828904][  T282]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   12.829073][  T282]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   12.829204][  T282]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.829334][  T282]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.829465][  T282]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.829598][  T282]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.829728][  T282]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.829895][  T282] RIP: 0033:0x7f6ecfbe108e
[   12.830034][  T282] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.830491][  T282] RSP: 002b:00007ffe01be80f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.830687][  T282] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6ecfbe108e
[   12.830888][  T282] RDX: 0000000000000000 RSI: 00007ffe01be81a0 RDI: 0000000000000005
[   12.831086][  T282] RBP: 00007ffe01be8100 R08: 0000000000000000 R09: 0000000000000000
[   12.831280][  T282] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   12.831474][  T282] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe01be8870
| [   12.832790][  T282] ---[ end trace 0000000000000000 ]---
| [   12.911864][  T286] ------------[ cut here ]------------
| [   12.912067][  T286] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/286
| [   12.912611][  T286] Tainted: [W]=WARN
[   12.912711][  T286] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.912883][  T286] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.913063][  T286] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.913550][  T286] RSP: 0018:ffa0000000a271a0 EFLAGS: 00010286
[   12.913733][  T286] RAX: 00000000ffffffa6 RBX: ff1100000c07e040 RCX: 1ff4000000144dfa
[   12.913969][  T286] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c07e0f8
[   12.914168][  T286] RBP: ff1100000d7cc000 R08: 1fe220000180fc20 R09: ff1100000d7f0b80
[   12.914366][  T286] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   12.914562][  T286] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   12.914760][  T286] FS:  00007f841dba2ec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   12.916063][  T286] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.916360][  T286] CR2: 00007f841df03004 CR3: 000000000f95c003 CR4: 0000000000771ef0
[   12.916579][  T286] PKRU: 55555554
[   12.916705][  T286] Call Trace:
[   12.916921][  T286]  <TASK>
[   12.916996][  T286]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.917131][  T286]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.917232][  T286]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   12.917366][  T286]  __dev_notify_flags (net/core/dev.c:9787)
[   12.917499][  T286]  ? notifier_call_chain (kernel/notifier.c:85)
[   12.917634][  T286]  ? netif_change_name (net/core/dev.c:1495)
[   12.917780][  T286]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   12.918025][  T286]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   12.918168][  T286]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   12.918300][  T286]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   12.918434][  T286]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   12.918566][  T286]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   12.918697][  T286]  ? __dev_get_by_name (net/core/dev.c:883)
[   12.918945][  T286]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   12.919085][  T286]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   12.919221][  T286]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   12.919359][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.919493][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.919628][  T286]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   12.919769][  T286]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.920018][  T286]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   12.920148][  T286]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   12.920282][  T286]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.920419][  T286]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.920553][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.920687][  T286]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.920928][  T286]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   12.921064][  T286]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   12.921196][  T286]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   12.921328][  T286]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   12.921463][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   12.921599][  T286]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   12.921738][  T286]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   12.921987][  T286]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   12.922118][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.922249][  T286]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   12.922383][  T286]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   12.922514][  T286]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   12.922648][  T286]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   12.922780][  T286]  ? copy_msghdr_from_user (net/socket.c:2635)
[   12.923004][  T286]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   12.923187][  T286]  ? move_addr_to_kernel (net/socket.c:258)
[   12.923323][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.923457][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.923623][  T286]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.923757][  T286]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.924018][  T286]  ___sys_sendmsg (net/socket.c:2752)
[   12.924152][  T286]  ? copy_msghdr_from_user (net/socket.c:2603)
[   12.924288][  T286]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.924430][  T286]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   12.924566][  T286]  ? do_getsockname (net/socket.c:2192)
[   12.924704][  T286]  __sys_sendmsg (net/socket.c:2784)
[   12.924945][  T286]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   12.925090][  T286]  ? __sys_getsockname (net/socket.c:2210)
[   12.925226][  T286]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   12.925363][  T286]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   12.925521][  T286]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   12.925654][  T286]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   12.925790][  T286]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   12.926084][  T286] RIP: 0033:0x7f841dc5708e
[   12.926222][  T286] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   12.926692][  T286] RSP: 002b:00007ffc547b4360 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   12.927008][  T286] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f841dc5708e
[   12.927211][  T286] RDX: 0000000000000000 RSI: 00007ffc547b43e0 RDI: 0000000000000005
[   12.927406][  T286] RBP: 00007ffc547b4370 R08: 0000000000000000 R09: 0000000000000000
[   12.927603][  T286] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc547b8b08
[   12.927799][  T286] R13: 0000000000000004 R14: 00007f841df43000 R15: 000000000040bda8
| [   12.929329][  T286] ---[ end trace 0000000000000000 ]---
| [   12.992470][  T288] ------------[ cut here ]------------
| [   12.992661][  T288] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/288
| [   12.993912][  T288] Tainted: [W]=WARN
[   12.994017][  T288] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   12.994184][  T288] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   12.994387][  T288] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   12.994907][  T288] RSP: 0018:ffa0000000c47020 EFLAGS: 00010286
[   12.995077][  T288] RAX: 00000000ffffffa6 RBX: ff110000021d11c0 RCX: 1ff4000000188dca
[   12.995270][  T288] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000021d1278
[   12.995465][  T288] RBP: ff1100000d7cc000 R08: 1fe220000043a250 R09: ff1100000d7f5158
[   12.995724][  T288] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   12.995942][  T288] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d7ccce1
[   12.996335][  T288] FS:  00007f81f6b50840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   12.996565][  T288] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   12.996729][  T288] CR2: 00007f81f6e201a0 CR3: 000000000fb8b005 CR4: 0000000000771ef0
[   12.996930][  T288] PKRU: 55555554
[   12.997033][  T288] Call Trace:
[   12.997141][  T288]  <TASK>
[   12.997212][  T288]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   12.997347][  T288]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   12.997445][  T288]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   12.997577][  T288]  __dev_notify_flags (net/core/dev.c:9787)
[   12.997708][  T288]  ? netif_change_name (net/core/dev.c:1495)
[   12.997843][  T288]  ? __dev_change_flags (net/core/dev.c:9752)
[   12.998075][  T288]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   12.998204][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   12.998334][  T288]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   12.998466][  T288]  netif_change_flags (net/core/dev.c:9820)
[   12.998596][  T288]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   12.998730][  T288]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   12.998866][  T288]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   12.999033][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   12.999161][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   12.999292][  T288]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   12.999420][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   12.999552][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   12.999683][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   12.999816][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   12.999946][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.000080][  T288]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.000207][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.000334][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.000460][  T288]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.000590][  T288]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.000720][  T288]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.000853][  T288]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.001030][  T288]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.001162][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.001293][  T288]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.001423][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.001554][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.001683][  T288]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.001819][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.001948][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.002082][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.002211][  T288]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.002344][  T288]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.002474][  T288]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.002603][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.002734][  T288]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.002872][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.003038][  T288]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.003171][  T288]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.003300][  T288]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.003430][  T288]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.003561][  T288]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.003694][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.003853][  T288]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.003991][  T288]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.004123][  T288]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.004253][  T288]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.004388][  T288]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.004518][  T288]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.004647][  T288]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.004778][  T288]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.004913][  T288]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.005052][  T288]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.005214][  T288]  ? move_addr_to_kernel (net/socket.c:258)
[   13.005346][  T288]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.005478][  T288]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.005630][  T288]  ___sys_sendmsg (net/socket.c:2752)
[   13.005760][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.005926][  T288]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.006070][  T288]  __sys_sendmsg (net/socket.c:2784)
[   13.006198][  T288]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.006331][  T288]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.006504][  T288]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.006635][  T288]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.006767][  T288]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.006905][  T288]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.007129][  T288]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.007261][  T288]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.007429][  T288] RIP: 0033:0x7f81f6d8a08e
[   13.007567][  T288] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.008047][  T288] RSP: 002b:00007ffc74705490 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.008251][  T288] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f81f6d8a08e
[   13.008449][  T288] RDX: 0000000000000000 RSI: 00007ffc74705540 RDI: 0000000000000005
[   13.008650][  T288] RBP: 00007ffc747054a0 R08: 0000000000000000 R09: 0000000000000000
[   13.008854][  T288] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   13.009057][  T288] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc74705c10
| [   13.010404][  T288] ---[ end trace 0000000000000000 ]---
| [   13.089952][  T292] ------------[ cut here ]------------
| [   13.090132][  T292] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/292
| [   13.090672][  T292] Tainted: [W]=WARN
[   13.090773][  T292] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.090946][  T292] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.091122][  T292] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.091587][  T292] RSP: 0018:ffa0000000c771a0 EFLAGS: 00010286
[   13.091755][  T292] RAX: 00000000ffffffa6 RBX: ff1100000a7ffe00 RCX: 1ff400000018edfa
[   13.091960][  T292] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a7ffeb8
[   13.092158][  T292] RBP: ff11000002839000 R08: 1fe22000014fffd8 R09: ff1100000f940b80
[   13.092353][  T292] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   13.092552][  T292] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.092752][  T292] FS:  00007fa12674aec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   13.093560][  T292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.093728][  T292] CR2: 00007fa126aab004 CR3: 000000000fc3a005 CR4: 0000000000771ef0
[   13.093930][  T292] PKRU: 55555554
[   13.094035][  T292] Call Trace:
[   13.094135][  T292]  <TASK>
[   13.094205][  T292]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.094340][  T292]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.094439][  T292]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   13.094576][  T292]  __dev_notify_flags (net/core/dev.c:9787)
[   13.094708][  T292]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.094847][  T292]  ? netif_change_name (net/core/dev.c:1495)
[   13.094983][  T292]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   13.095120][  T292]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   13.095254][  T292]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.095387][  T292]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   13.095521][  T292]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.095653][  T292]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.095784][  T292]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.095921][  T292]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.096063][  T292]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.096199][  T292]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.096334][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.096469][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.096602][  T292]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.096737][  T292]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.096875][  T292]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.097015][  T292]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.097149][  T292]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.097283][  T292]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.097415][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.097550][  T292]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.097682][  T292]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.097818][  T292]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.097953][  T292]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.098089][  T292]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.098223][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.098355][  T292]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.098487][  T292]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.098634][  T292]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.098764][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.098900][  T292]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.099036][  T292]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.099169][  T292]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.099306][  T292]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.099440][  T292]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.099576][  T292]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.099740][  T292]  ? move_addr_to_kernel (net/socket.c:258)
[   13.099879][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.100020][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.100187][  T292]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.100319][  T292]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.100488][  T292]  ___sys_sendmsg (net/socket.c:2752)
[   13.100624][  T292]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.100757][  T292]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.100905][  T292]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   13.101044][  T292]  ? do_getsockname (net/socket.c:2192)
[   13.101179][  T292]  __sys_sendmsg (net/socket.c:2784)
[   13.101312][  T292]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.101448][  T292]  ? __sys_getsockname (net/socket.c:2210)
[   13.101582][  T292]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.101718][  T292]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.101858][  T292]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.102003][  T292]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.102142][  T292]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.102311][  T292] RIP: 0033:0x7fa1267ff08e
[   13.102449][  T292] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.102934][  T292] RSP: 002b:00007fff55532a40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.103136][  T292] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa1267ff08e
[   13.103333][  T292] RDX: 0000000000000000 RSI: 00007fff55532ac0 RDI: 0000000000000005
[   13.103531][  T292] RBP: 00007fff55532a50 R08: 0000000000000000 R09: 0000000000000000
[   13.103739][  T292] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff555371e8
[   13.103949][  T292] R13: 0000000000000004 R14: 00007fa126aeb000 R15: 000000000040bda8
| [   13.105288][  T292] ---[ end trace 0000000000000000 ]---
| [   13.153040][  T294] ------------[ cut here ]------------
| [   13.153207][  T294] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/294
| [   13.153705][  T294] Tainted: [W]=WARN
[   13.153809][  T294] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.153976][  T294] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.154146][  T294] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.154599][  T294] RSP: 0018:ffa0000000c77020 EFLAGS: 00010286
[   13.154762][  T294] RAX: 00000000ffffffa6 RBX: ff110000091f0ac0 RCX: 1ff400000018edca
[   13.154964][  T294] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000091f0b78
[   13.155157][  T294] RBP: ff11000002839000 R08: 1fe220000123e170 R09: ff1100000f945158
[   13.155349][  T294] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.155542][  T294] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002839ce1
[   13.155736][  T294] FS:  00007f25bd953840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   13.155971][  T294] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.156135][  T294] CR2: 0000000015b08988 CR3: 000000000c423006 CR4: 0000000000771ef0
[   13.156328][  T294] PKRU: 55555554
[   13.156424][  T294] Call Trace:
[   13.156519][  T294]  <TASK>
[   13.156585][  T294]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.156715][  T294]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.156817][  T294]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.156949][  T294]  __dev_notify_flags (net/core/dev.c:9787)
[   13.157084][  T294]  ? netif_change_name (net/core/dev.c:1495)
[   13.157216][  T294]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.157344][  T294]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.157472][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.157601][  T294]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.157733][  T294]  netif_change_flags (net/core/dev.c:9820)
[   13.157867][  T294]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.158003][  T294]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.158131][  T294]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.158290][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.158417][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.158544][  T294]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.158672][  T294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.158808][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.158941][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.159075][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.159203][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.159330][  T294]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.159458][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.159585][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.159712][  T294]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.159852][  T294]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.159988][  T294]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.160116][  T294]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.160243][  T294]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.160375][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.160505][  T294]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.160635][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.160764][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.160902][  T294]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.161036][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.161166][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.161292][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.161422][  T294]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.161551][  T294]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.161679][  T294]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.161812][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.161944][  T294]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.162081][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.162210][  T294]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.162337][  T294]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.162466][  T294]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.162595][  T294]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.162723][  T294]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.162861][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.162995][  T294]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.163125][  T294]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.163254][  T294]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.163382][  T294]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.163511][  T294]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.163641][  T294]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.163772][  T294]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.163909][  T294]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.164045][  T294]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.164172][  T294]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.164331][  T294]  ? move_addr_to_kernel (net/socket.c:258)
[   13.164461][  T294]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.164591][  T294]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.164721][  T294]  ___sys_sendmsg (net/socket.c:2752)
[   13.164857][  T294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.165023][  T294]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.165161][  T294]  __sys_sendmsg (net/socket.c:2784)
[   13.165290][  T294]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.165418][  T294]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.165580][  T294]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.165709][  T294]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.165845][  T294]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.165978][  T294]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.166108][  T294]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.166237][  T294]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.166398][  T294] RIP: 0033:0x7f25bdb8d08e
[   13.166534][  T294] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.167002][  T294] RSP: 002b:00007ffd2425e250 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.167198][  T294] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f25bdb8d08e
[   13.167414][  T294] RDX: 0000000000000000 RSI: 00007ffd2425e300 RDI: 0000000000000005
[   13.167607][  T294] RBP: 00007ffd2425e260 R08: 0000000000000000 R09: 0000000000000000
[   13.167800][  T294] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   13.168020][  T294] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd2425e9d0
| [   13.169321][  T294] ---[ end trace 0000000000000000 ]---
| [   13.249270][  T298] ------------[ cut here ]------------
| [   13.249502][  T298] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/298
| [   13.250878][  T298] Tainted: [W]=WARN
[   13.251066][  T298] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.251275][  T298] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.251496][  T298] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.252051][  T298] RSP: 0018:ffa0000000a171a0 EFLAGS: 00010286
[   13.252280][  T298] RAX: 00000000ffffffa6 RBX: ff1100000a4bcc80 RCX: 1ff4000000142dfa
[   13.252531][  T298] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4bcd38
[   13.252782][  T298] RBP: ff11000005c79000 R08: 1fe22000014979a8 R09: ff1100000fa18b80
[   13.253074][  T298] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.253327][  T298] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.253580][  T298] FS:  00007fce0e14bec0(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   13.253882][  T298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.254114][  T298] CR2: 00007fce0e4ac004 CR3: 000000000c821001 CR4: 0000000000771ef0
[   13.254363][  T298] PKRU: 55555554
[   13.254510][  T298] Call Trace:
[   13.254656][  T298]  <TASK>
[   13.254771][  T298]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.254974][  T298]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.255126][  T298]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   13.255309][  T298]  __dev_notify_flags (net/core/dev.c:9787)
[   13.255489][  T298]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.255669][  T298]  ? netif_change_name (net/core/dev.c:1495)
[   13.255857][  T298]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   13.256047][  T298]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   13.256227][  T298]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.256406][  T298]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   13.256591][  T298]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.256772][  T298]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.256971][  T298]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.257152][  T298]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.257357][  T298]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.257561][  T298]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.257744][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.257941][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.258131][  T298]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.258319][  T298]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.258502][  T298]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.258680][  T298]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.258870][  T298]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.259054][  T298]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.259232][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.259417][  T298]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.259596][  T298]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.259798][  T298]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.260003][  T298]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.260275][  T298]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.260457][  T298]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.260649][  T298]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.260849][  T298]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.261039][  T298]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.261221][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.261404][  T298]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.261601][  T298]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.261792][  T298]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.261995][  T298]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.262178][  T298]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.262358][  T298]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.262569][  T298]  ? move_addr_to_kernel (net/socket.c:258)
[   13.262749][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.262949][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.263180][  T298]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.263363][  T298]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.263581][  T298]  ___sys_sendmsg (net/socket.c:2752)
[   13.263764][  T298]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.263954][  T298]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.264147][  T298]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   13.264325][  T298]  ? do_getsockname (net/socket.c:2192)
[   13.264507][  T298]  __sys_sendmsg (net/socket.c:2784)
[   13.264685][  T298]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.264880][  T298]  ? __sys_getsockname (net/socket.c:2210)
[   13.265069][  T298]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.265252][  T298]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.265435][  T298]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.265618][  T298]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.265816][  T298]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.266044][  T298] RIP: 0033:0x7fce0e20008e
[   13.266229][  T298] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.266745][  T298] RSP: 002b:00007ffc4ee5c650 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.267014][  T298] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fce0e20008e
[   13.267263][  T298] RDX: 0000000000000000 RSI: 00007ffc4ee5c6d0 RDI: 0000000000000005
[   13.267507][  T298] RBP: 00007ffc4ee5c660 R08: 0000000000000000 R09: 0000000000000000
[   13.267752][  T298] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc4ee60df8
[   13.268014][  T298] R13: 0000000000000004 R14: 00007fce0e4ec000 R15: 000000000040bda8
| [   13.269717][  T298] ---[ end trace 0000000000000000 ]---
| [   13.319673][  T300] ------------[ cut here ]------------
| [   13.320480][  T300] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/300
| [   13.321195][  T300] Tainted: [W]=WARN
[   13.321333][  T300] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.321551][  T300] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.321787][  T300] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.322445][  T300] RSP: 0018:ffa0000000c77020 EFLAGS: 00010286
[   13.322677][  T300] RAX: 00000000ffffffa6 RBX: ff1100000b86a900 RCX: 1ff400000018edca
[   13.322955][  T300] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b86a9b8
[   13.323231][  T300] RBP: ff11000005c79000 R08: 1fe220000170d538 R09: ff1100000fa1d158
[   13.323503][  T300] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.323775][  T300] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005c79ce1
[   13.324058][  T300] FS:  00007f78ca06b840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   13.324380][  T300] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.324612][  T300] CR2: 0000000027307988 CR3: 000000000bab4003 CR4: 0000000000771ef0
[   13.324898][  T300] PKRU: 55555554
[   13.325039][  T300] Call Trace:
[   13.325175][  T300]  <TASK>
[   13.325269][  T300]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.325456][  T300]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.325594][  T300]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.325776][  T300]  __dev_notify_flags (net/core/dev.c:9787)
[   13.325968][  T300]  ? netif_change_name (net/core/dev.c:1495)
[   13.326152][  T300]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.326337][  T300]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.326519][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.326705][  T300]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.326896][  T300]  netif_change_flags (net/core/dev.c:9820)
[   13.327089][  T300]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.327275][  T300]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.327461][  T300]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.327689][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.327878][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.328071][  T300]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.328255][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.328440][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.328625][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.328811][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.329002][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.329189][  T300]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.329379][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.329563][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.329735][  T300]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.329924][  T300]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.330119][  T300]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.330292][  T300]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.330477][  T300]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.330663][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.330857][  T300]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.331044][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.331227][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.331410][  T300]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.331597][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.331780][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.331970][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.332153][  T300]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.332335][  T300]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.332518][  T300]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.332700][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.332844][  T300]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.332981][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.333150][  T300]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.333332][  T300]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.333515][  T300]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.333701][  T300]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.333890][  T300]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.334064][  T300]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.334244][  T300]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.334425][  T300]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.334610][  T300]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.334792][  T300]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.334987][  T300]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.335172][  T300]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.335357][  T300]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.335540][  T300]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.335723][  T300]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.335910][  T300]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.336142][  T300]  ? move_addr_to_kernel (net/socket.c:258)
[   13.336327][  T300]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.336512][  T300]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.336694][  T300]  ___sys_sendmsg (net/socket.c:2752)
[   13.336881][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.337118][  T300]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.337301][  T300]  __sys_sendmsg (net/socket.c:2784)
[   13.337484][  T300]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.337668][  T300]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.337906][  T300]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.338098][  T300]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.338283][  T300]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.338467][  T300]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.338649][  T300]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.338836][  T300]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.339035][  T300] RIP: 0033:0x7f78ca2a508e
[   13.339226][  T300] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.339879][  T300] RSP: 002b:00007ffe0d47b7a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.340229][  T300] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f78ca2a508e
[   13.340466][  T300] RDX: 0000000000000000 RSI: 00007ffe0d47b850 RDI: 0000000000000005
[   13.340731][  T300] RBP: 00007ffe0d47b7b0 R08: 0000000000000000 R09: 0000000000000000
[   13.341015][  T300] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   13.341299][  T300] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe0d47bf20
| [   13.348500][  T300] ip (300) used greatest stack depth: 23504 bytes left
| [   13.426730][  T304] ------------[ cut here ]------------
| [   13.426995][  T304] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/304
| [   13.427850][  T304] Tainted: [W]=WARN
[   13.428023][  T304] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.428244][  T304] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.428469][  T304] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.429186][  T304] RSP: 0018:ffa0000000c971a0 EFLAGS: 00010286
[   13.429467][  T304] RAX: 00000000ffffffa6 RBX: ff110000092eb8c0 RCX: 1ff4000000192dfa
[   13.429782][  T304] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000092eb978
[   13.430126][  T304] RBP: ff1100000cafc000 R08: 1fe220000125d730 R09: ff1100000c810b80
[   13.430451][  T304] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   13.430776][  T304] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.431117][  T304] FS:  00007f8d89913ec0(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   13.431476][  T304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.431753][  T304] CR2: 00007f8d89c74004 CR3: 000000000c2a0003 CR4: 0000000000771ef0
[   13.432096][  T304] PKRU: 55555554
[   13.432281][  T304] Call Trace:
[   13.432468][  T304]  <TASK>
[   13.432611][  T304]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.432856][  T304]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.433052][  T304]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   13.433286][  T304]  __dev_notify_flags (net/core/dev.c:9787)
[   13.433518][  T304]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.433748][  T304]  ? netif_change_name (net/core/dev.c:1495)
[   13.434001][  T304]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   13.434236][  T304]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   13.434472][  T304]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.434693][  T304]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   13.434887][  T304]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.435077][  T304]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.435255][  T304]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.435433][  T304]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.435617][  T304]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.435815][  T304]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.436072][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.436313][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.436545][  T304]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.436781][  T304]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.437030][  T304]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.437262][  T304]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.437495][  T304]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.437729][  T304]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.437979][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.438216][  T304]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.438448][  T304]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.438684][  T304]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.438928][  T304]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.439167][  T304]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.439400][  T304]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.439630][  T304]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.439873][  T304]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.440112][  T304]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.440346][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.440551][  T304]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.440762][  T304]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.440998][  T304]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.441236][  T304]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.441471][  T304]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.441706][  T304]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.442000][  T304]  ? move_addr_to_kernel (net/socket.c:258)
[   13.442233][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.442467][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.442743][  T304]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.442997][  T304]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.443278][  T304]  ___sys_sendmsg (net/socket.c:2752)
[   13.443514][  T304]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.443711][  T304]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.443971][  T304]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   13.444207][  T304]  ? do_getsockname (net/socket.c:2192)
[   13.444444][  T304]  __sys_sendmsg (net/socket.c:2784)
[   13.444676][  T304]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.444922][  T304]  ? __sys_getsockname (net/socket.c:2210)
[   13.445161][  T304]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.445397][  T304]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.445631][  T304]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.445876][  T304]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.446120][  T304]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.446399][  T304] RIP: 0033:0x7f8d899c808e
[   13.446638][  T304] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.447360][  T304] RSP: 002b:00007fff6b589440 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.447665][  T304] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8d899c808e
[   13.447974][  T304] RDX: 0000000000000000 RSI: 00007fff6b5894c0 RDI: 0000000000000005
[   13.448296][  T304] RBP: 00007fff6b589450 R08: 0000000000000000 R09: 0000000000000000
[   13.448621][  T304] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff6b58dbe8
[   13.448955][  T304] R13: 0000000000000004 R14: 00007f8d89cb4000 R15: 000000000040bda8
| [   13.451176][  T304] ---[ end trace 0000000000000000 ]---
| [   13.515570][  T306] ------------[ cut here ]------------
| [   13.515795][  T306] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/306
| [   13.516877][  T306] Tainted: [W]=WARN
[   13.517075][  T306] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.517366][  T306] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.517634][  T306] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.518267][  T306] RSP: 0018:ffa0000000cb7020 EFLAGS: 00010286
[   13.518555][  T306] RAX: 00000000ffffffa6 RBX: ff110000097aa580 RCX: 1ff4000000196dca
[   13.518873][  T306] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000097aa638
[   13.519201][  T306] RBP: ff1100000cafc000 R08: 1fe22000012f54c8 R09: ff1100000c6a5158
[   13.519522][  T306] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000001
[   13.519849][  T306] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cafcce1
[   13.520182][  T306] FS:  00007f68697bf840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   13.520542][  T306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.520787][  T306] CR2: 0000000036b5e988 CR3: 000000000c809005 CR4: 0000000000771ef0
[   13.521057][  T306] PKRU: 55555554
[   13.521205][  T306] Call Trace:
[   13.521352][  T306]  <TASK>
[   13.521468][  T306]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.521650][  T306]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.521798][  T306]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.522000][  T306]  __dev_notify_flags (net/core/dev.c:9787)
[   13.522184][  T306]  ? netif_change_name (net/core/dev.c:1495)
[   13.522363][  T306]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.522543][  T306]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.522720][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.522919][  T306]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.523107][  T306]  netif_change_flags (net/core/dev.c:9820)
[   13.523288][  T306]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.523469][  T306]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.523649][  T306]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.523877][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.524063][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.524245][  T306]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.524424][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.524608][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.524789][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.524985][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.525166][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.525348][  T306]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.525525][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.525703][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.525892][  T306]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.526079][  T306]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.526260][  T306]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.526438][  T306]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.526618][  T306]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.526814][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.527042][  T306]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.527251][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.527474][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.527696][  T306]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.527932][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.528175][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.528378][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.528598][  T306]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.528833][  T306]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.529055][  T306]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.529297][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.529535][  T306]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.529770][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.530031][  T306]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.530265][  T306]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.530466][  T306]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.530700][  T306]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.530947][  T306]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.531194][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.531414][  T306]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.531655][  T306]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.531905][  T306]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.532110][  T306]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.532292][  T306]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.532472][  T306]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.532651][  T306]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.532849][  T306]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.533037][  T306]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.533220][  T306]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.533431][  T306]  ? move_addr_to_kernel (net/socket.c:258)
[   13.533612][  T306]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.533797][  T306]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.534000][  T306]  ___sys_sendmsg (net/socket.c:2752)
[   13.534178][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.534391][  T306]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.534580][  T306]  __sys_sendmsg (net/socket.c:2784)
[   13.534758][  T306]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.534948][  T306]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.535169][  T306]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.535346][  T306]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.535526][  T306]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.535712][  T306]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.535904][  T306]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.536091][  T306]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.536302][  T306] RIP: 0033:0x7f68699f908e
[   13.536485][  T306] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.537011][  T306] RSP: 002b:00007fff47022660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.537256][  T306] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f68699f908e
[   13.537498][  T306] RDX: 0000000000000000 RSI: 00007fff47022710 RDI: 0000000000000005
[   13.537740][  T306] RBP: 00007fff47022670 R08: 0000000000000000 R09: 0000000000000000
[   13.538003][  T306] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd14
[   13.538243][  T306] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff47022de0
| [   13.539918][  T306] ---[ end trace 0000000000000000 ]---
| [   13.622512][  T310] ------------[ cut here ]------------
| [   13.622695][  T310] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/310
| [   13.623257][  T310] Tainted: [W]=WARN
[   13.623359][  T310] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.623525][  T310] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.623704][  T310] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.624188][  T310] RSP: 0018:ffa0000000ce71a0 EFLAGS: 00010286
[   13.624358][  T310] RAX: 00000000ffffffa6 RBX: ff1100000757c200 RCX: 1ff400000019cdfa
[   13.624557][  T310] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000757c2b8
[   13.624756][  T310] RBP: ff110000084b9000 R08: 1fe2200000eaf858 R09: ff11000009e3d180
[   13.624968][  T310] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   13.625167][  T310] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
[   13.625368][  T310] FS:  00007fabad63dec0(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   13.625607][  T310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.625778][  T310] CR2: 00007fabad99e004 CR3: 000000000c9bd004 CR4: 0000000000771ef0
[   13.625992][  T310] PKRU: 55555554
[   13.626094][  T310] Call Trace:
[   13.626194][  T310]  <TASK>
[   13.626264][  T310]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.626401][  T310]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.626501][  T310]  ? ip6_route_dev_notify (./include/net/net_namespace.h:419 (discriminator 1) ./include/linux/netdevice.h:2776 (discriminator 1) net/ipv6/route.c:6476 (discriminator 1))
[   13.626639][  T310]  __dev_notify_flags (net/core/dev.c:9787)
[   13.626776][  T310]  ? notifier_call_chain (kernel/notifier.c:85)
[   13.626915][  T310]  ? netif_change_name (net/core/dev.c:1495)
[   13.627055][  T310]  ? register_netdevice (net/core/dev.c:2287 net/core/dev.c:2301 net/core/dev.c:11474)
[   13.627190][  T310]  ? timer_init_key (./include/linux/lockdep.h:135 ./include/linux/lockdep.h:142 ./include/linux/lockdep.h:148 kernel/time/timer.c:861 kernel/time/timer.c:881)
[   13.627328][  T310]  rtnl_configure_link (net/core/rtnetlink.c:3670)
[   13.627460][  T310]  ? netif_carrier_off (./include/linux/instrumented.h:112 ./include/asm-generic/bitops/instrumented-atomic.h:71 net/sched/sch_generic.c:634)
[   13.627596][  T310]  rtnl_newlink_create (net/core/rtnetlink.c:3914)
[   13.627736][  T310]  ? rtnl_create_link (net/core/rtnetlink.c:3691)
[   13.627874][  T310]  ? __dev_get_by_name (net/core/dev.c:883)
[   13.628012][  T310]  ? rtnl_dev_get (net/core/rtnetlink.c:3478)
[   13.628148][  T310]  __rtnl_newlink (net/core/rtnetlink.c:4035)
[   13.628285][  T310]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.628419][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.628553][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.628692][  T310]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.628834][  T310]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.628972][  T310]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.629104][  T310]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.629237][  T310]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.629368][  T310]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.629501][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.629635][  T310]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.629767][  T310]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.629906][  T310]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.630043][  T310]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.630175][  T310]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.630309][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.630440][  T310]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.630575][  T310]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.630708][  T310]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.630868][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.631007][  T310]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.631140][  T310]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.631273][  T310]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.631408][  T310]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.631542][  T310]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.631675][  T310]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.631847][  T310]  ? move_addr_to_kernel (net/socket.c:258)
[   13.631984][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.632118][  T310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.632283][  T310]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.632416][  T310]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.632580][  T310]  ___sys_sendmsg (net/socket.c:2752)
[   13.632713][  T310]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.632850][  T310]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.632992][  T310]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   13.633124][  T310]  ? do_getsockname (net/socket.c:2192)
[   13.633259][  T310]  __sys_sendmsg (net/socket.c:2784)
[   13.633391][  T310]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.633525][  T310]  ? __sys_getsockname (net/socket.c:2210)
[   13.633656][  T310]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.633790][  T310]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.633929][  T310]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.634066][  T310]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.634200][  T310]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.634365][  T310] RIP: 0033:0x7fabad6f208e
[   13.634504][  T310] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.634991][  T310] RSP: 002b:00007ffd9d3e5bb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.635192][  T310] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fabad6f208e
[   13.635389][  T310] RDX: 0000000000000000 RSI: 00007ffd9d3e5c30 RDI: 0000000000000005
[   13.635587][  T310] RBP: 00007ffd9d3e5bc0 R08: 0000000000000000 R09: 0000000000000000
[   13.635787][  T310] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffd9d3ea358
[   13.635995][  T310] R13: 0000000000000004 R14: 00007fabad9de000 R15: 000000000040bda8
| [   13.637329][  T310] ---[ end trace 0000000000000000 ]---
| [   13.687056][  T312] ------------[ cut here ]------------
| [   13.687286][  T312] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/312
| [   13.688577][  T312] Tainted: [W]=WARN
[   13.688721][  T312] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   13.688966][  T312] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   13.689210][  T312] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   13.689886][  T312] RSP: 0018:ffa0000000d07020 EFLAGS: 00010286
[   13.690131][  T312] RAX: 00000000ffffffa6 RBX: ff1100000a53d1c0 RCX: 1ff40000001a0dca
[   13.690415][  T312] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a53d278
[   13.690695][  T312] RBP: ff110000084b9000 R08: 1fe22000014a7a50 R09: ff1100000ba10b58
[   13.690990][  T312] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   13.691270][  T312] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000084b9ce1
[   13.691556][  T312] FS:  00007fc217da2840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   13.691897][  T312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   13.692142][  T312] CR2: 00007fc2180721a0 CR3: 000000000d7fd006 CR4: 0000000000771ef0
[   13.692422][  T312] PKRU: 55555554
[   13.692564][  T312] Call Trace:
[   13.692705][  T312]  <TASK>
[   13.692809][  T312]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   13.693007][  T312]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   13.693152][  T312]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   13.693340][  T312]  __dev_notify_flags (net/core/dev.c:9787)
[   13.693532][  T312]  ? netif_change_name (net/core/dev.c:1495)
[   13.693720][  T312]  ? __dev_change_flags (net/core/dev.c:9752)
[   13.693912][  T312]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   13.694108][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.694296][  T312]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   13.694489][  T312]  netif_change_flags (net/core/dev.c:9820)
[   13.694680][  T312]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   13.694873][  T312]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   13.695070][  T312]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   13.695307][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   13.695497][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.695688][  T312]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   13.695879][  T312]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.696077][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.696267][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.696456][  T312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.696646][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.696841][  T312]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   13.697037][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.697226][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.697416][  T312]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   13.697605][  T312]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   13.697797][  T312]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   13.697997][  T312]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   13.698187][  T312]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   13.698377][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   13.698569][  T312]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   13.698759][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.698951][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.699154][  T312]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   13.699343][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.699531][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.699720][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.699913][  T312]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   13.700107][  T312]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   13.700294][  T312]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   13.700483][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.700672][  T312]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.700863][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.701055][  T312]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   13.701243][  T312]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   13.701433][  T312]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   13.701623][  T312]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   13.701818][  T312]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   13.702013][  T312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   13.702198][  T312]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   13.702388][  T312]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   13.702575][  T312]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   13.702766][  T312]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   13.702964][  T312]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   13.703155][  T312]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   13.703342][  T312]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   13.703532][  T312]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   13.703722][  T312]  ? copy_msghdr_from_user (net/socket.c:2635)
[   13.703912][  T312]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   13.704152][  T312]  ? move_addr_to_kernel (net/socket.c:258)
[   13.704343][  T312]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   13.704535][  T312]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   13.704725][  T312]  ___sys_sendmsg (net/socket.c:2752)
[   13.704918][  T312]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   13.705165][  T312]  ? copy_msghdr_from_user (net/socket.c:2603)
[   13.705363][  T312]  __sys_sendmsg (net/socket.c:2784)
[   13.705550][  T312]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   13.705740][  T312]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   13.705988][  T312]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   13.706177][  T312]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   13.706369][  T312]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   13.706558][  T312]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   13.706750][  T312]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   13.706948][  T312]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   13.707185][  T312] RIP: 0033:0x7fc217fdc08e
[   13.707383][  T312] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   13.708058][  T312] RSP: 002b:00007fffaf088da0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   13.708340][  T312] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fc217fdc08e
[   13.708622][  T312] RDX: 0000000000000000 RSI: 00007fffaf088e50 RDI: 0000000000000005
[   13.708906][  T312] RBP: 00007fffaf088db0 R08: 0000000000000000 R09: 0000000000000000
[   13.709188][  T312] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd15
[   13.709469][  T312] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffaf089520
| [   13.711258][  T312] ---[ end trace 0000000000000000 ]---
| [   18.897509][  T133] ------------[ cut here ]------------
| [   18.897731][  T133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/133
| [   18.898440][  T133] Tainted: [W]=WARN
[   18.898581][  T133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   18.898788][  T133] Workqueue: events_unbound linkwatch_event
[   18.899014][  T133] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   18.899231][  T133] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   18.899707][  T133] RSP: 0018:ffa00000006e79e0 EFLAGS: 00010286
[   18.899920][  T133] RAX: 00000000ffffffa6 RBX: ff11000009e1e740 RCX: 1ff40000000dcf02
[   18.900154][  T133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009e1e7f8
[   18.900390][  T133] RBP: ff11000008a09000 R08: 1fe22000013c3d00 R09: ff1100000ba151a8
[   18.900613][  T133] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   18.900852][  T133] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   18.901087][  T133] FS:  0000000000000000(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   18.901347][  T133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   18.901545][  T133] CR2: 00007f04305a20e0 CR3: 000000000fc3c006 CR4: 0000000000771ef0
[   18.901772][  T133] PKRU: 55555554
[   18.901917][  T133] Call Trace:
[   18.902061][  T133]  <TASK>
[   18.902169][  T133]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   18.902341][  T133]  ? notifier_call_chain (kernel/notifier.c:85)
[   18.902511][  T133]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   18.902652][  T133]  netif_state_change (net/core/dev.c:1605)
[   18.902833][  T133]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   18.903041][  T133]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   18.903211][  T133]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   18.903383][  T133]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   18.903555][  T133]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   18.903725][  T133]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   18.903905][  T133]  process_one_work (kernel/workqueue.c:3314)
[   18.904083][  T133]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   18.904253][  T133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   18.904425][  T133]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   18.904594][  T133]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.904760][  T133]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   18.904945][  T133]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   18.905122][  T133]  kthread (kernel/kthread.c:436)
[   18.905261][  T133]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   18.905461][  T133]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.905631][  T133]  ret_from_fork (arch/x86/kernel/process.c:158)
[   18.905818][  T133]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   18.906020][  T133]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   18.906191][  T133]  ? kthread_affine_node (kernel/kthread.c:378)
[   18.906392][  T133]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   18.908672][    C1] tun0: no available key for peer 1, key-id: 0
| [   19.002191][   T46] ------------[ cut here ]------------
| [   19.002371][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/46
| [   19.003438][   T46] Tainted: [W]=WARN
[   19.003536][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.003727][   T46] Workqueue: events_unbound linkwatch_event
[   19.003893][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.004060][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.004491][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   19.004645][   T46] RAX: 00000000ffffffa6 RBX: ff110000021d18c0 RCX: 1ff4000000065f02
[   19.004834][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000021d1978
[   19.005021][   T46] RBP: ff1100000d7cc000 R08: 1fe220000043a330 R09: ff11000002070ba8
[   19.005209][   T46] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   19.005390][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.005576][   T46] FS:  0000000000000000(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   19.005799][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.005967][   T46] CR2: 00000000348e2748 CR3: 000000000fdc6005 CR4: 0000000000771ef0
[   19.006161][   T46] PKRU: 55555554
[   19.006256][   T46] Call Trace:
[   19.006345][   T46]  <TASK>
[   19.006409][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.006550][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.006676][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.006775][   T46]  netif_state_change (net/core/dev.c:1605)
[   19.006908][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   19.007069][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   19.007191][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.007311][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.007441][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.007565][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   19.007692][   T46]  process_one_work (kernel/workqueue.c:3314)
[   19.007819][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.007940][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.008073][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.008198][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.008319][   T46]  kthread (kernel/kthread.c:436)
[   19.008413][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.008573][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.008695][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.008823][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.008983][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.009109][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.009232][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.011107][    C3] tun0: no available key for peer 2, key-id: 0
| [   19.103730][   T71] ------------[ cut here ]------------
| [   19.103910][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 2/71
| [   19.104457][   T71] Tainted: [W]=WARN
[   19.104551][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.104707][   T71] Workqueue: events_unbound linkwatch_event
[   19.104875][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.105042][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.105476][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   19.105631][   T71] RAX: 00000000ffffffa6 RBX: ff1100000a743a80 RCX: 1ff4000000098f02
[   19.105816][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a743b38
[   19.106005][   T71] RBP: ff11000002839000 R08: 1fe22000014e8768 R09: ff11000005bfaea8
[   19.106188][   T71] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   19.106372][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.106554][   T71] FS:  0000000000000000(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   19.106765][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.106935][   T71] CR2: 00005617ab967d5c CR3: 00000000027d0003 CR4: 0000000000771ef0
[   19.107123][   T71] PKRU: 55555554
[   19.107216][   T71] Call Trace:
[   19.107310][   T71]  <TASK>
[   19.107373][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.107497][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.107624][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.107716][   T71]  netif_state_change (net/core/dev.c:1605)
[   19.107846][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   19.108001][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   19.108122][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.108246][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.108368][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.108488][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   19.108607][   T71]  process_one_work (kernel/workqueue.c:3314)
[   19.108732][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.108859][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.108991][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.109114][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.109237][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.109361][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.109484][   T71]  kthread (kernel/kthread.c:436)
[   19.109578][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.109732][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.109862][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.109988][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.110139][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.110264][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.110385][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.112151][    C3] tun0: no available key for peer 3, key-id: 0
| [   19.218550][   T46] ------------[ cut here ]------------
| [   19.218723][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/46
| [   19.219257][   T46] Tainted: [W]=WARN
[   19.219349][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.219501][   T46] Workqueue: events_unbound linkwatch_event
[   19.219657][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.219820][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.220253][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   19.220409][   T46] RAX: 00000000ffffffa6 RBX: ff1100000a4bd8c0 RCX: 1ff4000000065f02
[   19.220591][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4bd978
[   19.220772][   T46] RBP: ff11000005c79000 R08: 1fe2200001497b30 R09: ff11000002070ba8
[   19.220958][   T46] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   19.221172][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.221351][   T46] FS:  0000000000000000(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   19.221568][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.221721][   T46] CR2: 000000003ee11748 CR3: 000000000c534001 CR4: 0000000000771ef0
[   19.221904][   T46] PKRU: 55555554
[   19.222000][   T46] Call Trace:
[   19.222090][   T46]  <TASK>
[   19.222153][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.222275][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.222396][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.222490][   T46]  netif_state_change (net/core/dev.c:1605)
[   19.222612][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   19.222763][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   19.222888][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.223013][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.223135][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.223255][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   19.223375][   T46]  process_one_work (kernel/workqueue.c:3314)
[   19.223505][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.223627][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.223754][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.223881][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.224004][   T46]  kthread (kernel/kthread.c:436)
[   19.224098][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.224250][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.224399][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.224526][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.224677][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.224797][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.224923][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.226914][    C2] tun0: no available key for peer 4, key-id: 0
| [   19.319646][   T71] ------------[ cut here ]------------
| [   19.319845][   T71] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/71
| [   19.320453][   T71] Tainted: [W]=WARN
[   19.320619][   T71] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.320840][   T71] Workqueue: events_unbound linkwatch_event
[   19.321049][   T71] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.321252][   T71] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.321726][   T71] RSP: 0018:ffa00000004c79e0 EFLAGS: 00010286
[   19.321939][   T71] RAX: 00000000ffffffa6 RBX: ff1100000a7fe3c0 RCX: 1ff4000000098f02
[   19.322170][   T71] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a7fe478
[   19.322397][   T71] RBP: ff1100000cafc000 R08: 1fe22000014ffc90 R09: ff11000005bfaea8
[   19.322621][   T71] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   19.322853][   T71] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.323083][   T71] FS:  0000000000000000(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   19.323340][   T71] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.323569][   T71] CR2: 00007f9e0865e680 CR3: 0000000037f49006 CR4: 0000000000771ef0
[   19.323794][   T71] PKRU: 55555554
[   19.323941][   T71] Call Trace:
[   19.324095][   T71]  <TASK>
[   19.324204][   T71]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.324374][   T71]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.324543][   T71]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.324681][   T71]  netif_state_change (net/core/dev.c:1605)
[   19.324860][   T71]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   19.325066][   T71]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   19.325232][   T71]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.325400][   T71]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.325567][   T71]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.325747][   T71]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   19.325927][   T71]  process_one_work (kernel/workqueue.c:3314)
[   19.326104][   T71]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.326268][   T71]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.326440][   T71]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.326608][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.326774][   T71]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.326954][   T71]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.327127][   T71]  kthread (kernel/kthread.c:436)
[   19.327264][   T71]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.327466][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.327633][   T71]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.327816][   T71]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.328020][   T71]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.328197][   T71]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.328365][   T71]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   19.330607][    C1] tun0: no available key for peer 5, key-id: 0
| [   19.416224][  T133] ------------[ cut here ]------------
| [   19.416418][  T133] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: 2/133
| [   19.417066][  T133] Tainted: [W]=WARN
[   19.417204][  T133] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   19.417404][  T133] Workqueue: events_unbound linkwatch_event
[   19.417622][  T133] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   19.417842][  T133] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   19.418329][  T133] RSP: 0018:ffa00000006e79e0 EFLAGS: 00010286
[   19.418530][  T133] RAX: 00000000ffffffa6 RBX: ff1100000757d1c0 RCX: 1ff40000000dcf02
[   19.418758][  T133] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000757d278
[   19.419007][  T133] RBP: ff110000084b9000 R08: 1fe2200000eafa50 R09: ff1100000ba151a8
[   19.419236][  T133] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000000
[   19.419465][  T133] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   19.419698][  T133] FS:  0000000000000000(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   19.419970][  T133] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   19.420178][  T133] CR2: 000000003b733748 CR3: 000000000fc49001 CR4: 0000000000771ef0
[   19.420409][  T133] PKRU: 55555554
[   19.420545][  T133] Call Trace:
[   19.420683][  T133]  <TASK>
[   19.420793][  T133]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   19.420984][  T133]  ? notifier_call_chain (kernel/notifier.c:85)
[   19.421156][  T133]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   19.421298][  T133]  netif_state_change (net/core/dev.c:1605)
[   19.421470][  T133]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   19.421670][  T133]  ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[   19.421855][  T133]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   19.422036][  T133]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   19.422210][  T133]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   19.422384][  T133]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   19.422554][  T133]  process_one_work (kernel/workqueue.c:3314)
[   19.422728][  T133]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   19.422914][  T133]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   19.423101][  T133]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   19.423275][  T133]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.423445][  T133]  ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[   19.423621][  T133]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   19.423795][  T133]  kthread (kernel/kthread.c:436)
[   19.423951][  T133]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   19.424164][  T133]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.424335][  T133]  ret_from_fork (arch/x86/kernel/process.c:158)
[   19.424508][  T133]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   19.424712][  T133]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   19.424900][  T133]  ? kthread_affine_node (kernel/kthread.c:378)
[   19.425089][  T133]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.679875][  T350] tun4: deleting peer with id 13, reason 4
| [   25.679881][   T46] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: 1/46
| [   25.680136][  T343] tun3: deleting peer with id 12, reason 4
| [   25.681243][   T46] Tainted: [W]=WARN
[   25.681336][   T46] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.681492][   T46] Workqueue: events_unbound linkwatch_event
[   25.681650][   T46] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.681916][   T46] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.682360][   T46] RSP: 0018:ffa000000032f9e0 EFLAGS: 00010286
[   25.682512][   T46] RAX: 00000000ffffffa6 RBX: ff1100000ca08900 RCX: 1ff4000000065f02
[   25.682715][   T46] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ca089b8
[   25.682987][   T46] RBP: ff1100000cafc000 R08: 1fe2200001941138 R09: ff11000002070ba8
[   25.683169][   T46] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000000
[   25.683350][   T46] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.683542][   T46] FS:  0000000000000000(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   25.683754][   T46] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.683985][   T46] CR2: 00007f9e0867cf98 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   25.684174][   T46] PKRU: 55555554
[   25.684266][   T46] Call Trace:
[   25.684356][   T46]  <TASK>
[   25.684419][   T46]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.684541][   T46]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.684662][   T46]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.684753][   T46]  netif_state_change (net/core/dev.c:1605)
[   25.684949][   T46]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   25.685075][   T46]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   25.685229][   T46]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   25.685350][   T46]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   25.685472][   T46]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   25.685595][   T46]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.685718][   T46]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   25.685913][   T46]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   25.686040][   T46]  process_one_work (kernel/workqueue.c:3314)
[   25.686164][   T46]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   25.686285][   T46]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.686419][   T46]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   25.686542][   T46]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   25.686663][   T46]  kthread (kernel/kthread.c:436)
[   25.686754][   T46]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   25.687069][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.687219][   T46]  ret_from_fork (arch/x86/kernel/process.c:158)
[   25.687344][   T46]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   25.687496][   T46]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   25.687618][   T46]  ? kthread_affine_node (kernel/kthread.c:378)
[   25.687738][   T46]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   25.725184][  T364] tun0: deleting peer with id 1, reason 4
| [   25.732427][  T464] ------------[ cut here ]------------
| [   25.732572][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   25.733081][  T464] Tainted: [W]=WARN
[   25.733180][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.733339][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.733510][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.733967][  T464] RSP: 0018:ffa0000001147058 EFLAGS: 00010286
[   25.734133][  T464] RAX: 00000000ffffffa6 RBX: ff1100000ff4fa80 RCX: 1ff4000000228dd1
[   25.734323][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ff4fb38
[   25.734511][  T464] RBP: ff1100000c581000 R08: 1fe2200001fe9f68 R09: ff1100000b8bae58
[   25.734700][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   25.734893][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c584000
[   25.735085][  T464] FS:  00007fae78055840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   25.735308][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.735467][  T464] CR2: 00000000076b2988 CR3: 000000000b8aa004 CR4: 0000000000771ef0
[   25.735658][  T464] PKRU: 55555554
[   25.735753][  T464] Call Trace:
[   25.735852][  T464]  <TASK>
[   25.735918][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.736054][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.736150][  T464]  netif_close_many (net/core/dev.c:1804)
[   25.736279][  T464]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.736406][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.736532][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.736656][  T464]  ? __dev_close_many (net/core/dev.c:1781)
[   25.736783][  T464]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.736946][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.737123][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.737253][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.737410][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.737536][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.737663][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.737906][  T464]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.738126][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.738254][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.738383][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.738509][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.738636][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.738778][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.738979][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.739113][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.739240][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.739367][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.739492][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.739618][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.739744][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.739946][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.740080][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.740208][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.740335][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.740459][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.740587][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.740711][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.740912][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.741042][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.741168][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.741295][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.741419][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.741546][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.741671][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.741799][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.742025][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.742152][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.742278][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.742407][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.742534][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.742659][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.742823][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   25.742950][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.743083][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.743213][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   25.743337][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.743494][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.743631][  T464]  __sys_sendmsg (net/socket.c:2784)
[   25.743757][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.743887][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.744056][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.744184][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.744310][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.744439][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.744565][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.744693][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.744854][  T464] RIP: 0033:0x7fae7828f08e
[   25.744986][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.745438][  T464] RSP: 002b:00007ffc0a354660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.745628][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fae7828f08e
[   25.745821][  T464] RDX: 0000000000000000 RSI: 00007ffc0a354710 RDI: 0000000000000005
[   25.746029][  T464] RBP: 00007ffc0a354670 R08: 0000000000000000 R09: 0000000000000000
[   25.746220][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.746408][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a354de0
| [   25.747684][  T464] ---[ end trace 0000000000000000 ]---
| [   25.749561][  T464] ------------[ cut here ]------------
| [   25.749696][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/464
| [   25.750908][  T464] Tainted: [W]=WARN
[   25.751010][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.751169][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.751333][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.751848][  T464] RSP: 0018:ffa0000001147058 EFLAGS: 00010286
[   25.752013][  T464] RAX: 00000000ffffffa6 RBX: ff1100000b8a38c0 RCX: 1ff4000000228dd1
[   25.752206][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b8a3978
[   25.752393][  T464] RBP: ff1100000c584000 R08: 1fe2200001714730 R09: ff1100000b8bae58
[   25.752581][  T464] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   25.752775][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011470f0
[   25.753029][  T464] FS:  00007fae78055840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   25.753253][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.753412][  T464] CR2: 00000000076b2988 CR3: 000000000b8aa004 CR4: 0000000000771ef0
[   25.753602][  T464] PKRU: 55555554
[   25.753698][  T464] Call Trace:
[   25.753791][  T464]  <TASK>
[   25.753911][  T464]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.754043][  T464]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.754172][  T464]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.754268][  T464]  netif_close_many (net/core/dev.c:1804)
[   25.754396][  T464]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.754522][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.754647][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.754776][  T464]  ? __dev_close_many (net/core/dev.c:1781)
[   25.754957][  T464]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.755122][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.755280][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.755406][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.755561][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.755686][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.755867][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.756029][  T464]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.756158][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.756287][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.756415][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.756545][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.756673][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.756870][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.756998][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.757124][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.757249][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.757375][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.757501][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.757626][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.757752][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.757935][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.758066][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.758195][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.758321][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.758447][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.758577][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.758708][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.758892][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.759025][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.759151][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.759281][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.759407][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.759538][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.759667][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.759795][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.759980][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.760115][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.760242][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.760372][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.760499][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.760626][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.760782][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   25.760966][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.761099][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.761227][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   25.761355][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.761513][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.761651][  T464]  __sys_sendmsg (net/socket.c:2784)
[   25.761780][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.761960][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.762125][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.762257][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.762391][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.762526][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.762661][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.762792][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.763010][  T464] RIP: 0033:0x7fae7828f08e
[   25.763144][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.763600][  T464] RSP: 002b:00007ffc0a354660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.763796][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fae7828f08e
[   25.764009][  T464] RDX: 0000000000000000 RSI: 00007ffc0a354710 RDI: 0000000000000005
[   25.764202][  T464] RBP: 00007ffc0a354670 R08: 0000000000000000 R09: 0000000000000000
[   25.764393][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.764580][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a354de0
| [   25.765857][  T464] ---[ end trace 0000000000000000 ]---
| [   25.768733][  T464] ------------[ cut here ]------------
| [   25.768904][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/464
| [   25.769369][  T464] Tainted: [W]=WARN
[   25.769461][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.769619][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.769779][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.770217][  T464] RSP: 0018:ffa0000001147188 EFLAGS: 00010286
[   25.770373][  T464] RAX: 00000000ffffffa6 RBX: ff1100000fd2c580 RCX: 1ff4000000228df7
[   25.770552][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fd2c638
[   25.770745][  T464] RBP: ff1100000c581000 R08: 1fe2200001fa58c8 R09: ff1100000b8bae58
[   25.770937][  T464] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.771125][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.771307][  T464] FS:  00007fae78055840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   25.771519][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.771673][  T464] CR2: 00007f9e0867cf98 CR3: 000000000b8aa002 CR4: 0000000000771ef0
[   25.771896][  T464] PKRU: 55555554
[   25.771990][  T464] Call Trace:
[   25.772090][  T464]  <TASK>
[   25.772152][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.772310][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.772467][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.772591][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.772712][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.772873][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.773003][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.773124][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.773248][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.773368][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.773507][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.773627][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.773751][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.773876][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.774009][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.774130][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.774249][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.774371][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.774492][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.774613][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.774738][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.774867][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.774989][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.775118][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.775238][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.775359][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.775479][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.775599][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.775721][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.775847][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.775969][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.776096][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.776218][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.776340][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.776461][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.776584][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.776706][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.776834][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.776953][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.777107][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   25.777229][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.777351][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.777473][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   25.777592][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.777749][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.777884][  T464]  __sys_sendmsg (net/socket.c:2784)
[   25.778011][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.778133][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.778285][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.778407][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.778530][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.778653][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.778774][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.778899][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.779053][  T464] RIP: 0033:0x7fae7828f08e
[   25.779179][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.779645][  T464] RSP: 002b:00007ffc0a354660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.779834][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fae7828f08e
[   25.780020][  T464] RDX: 0000000000000000 RSI: 00007ffc0a354710 RDI: 0000000000000005
[   25.780199][  T464] RBP: 00007ffc0a354670 R08: 0000000000000000 R09: 0000000000000000
[   25.780381][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.780560][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a354de0
| [   25.781788][  T464] ---[ end trace 0000000000000000 ]---
| [   25.787415][  T464] ------------[ cut here ]------------
| [   25.787558][  T464] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/464
| [   25.788858][  T464] Tainted: [W]=WARN
[   25.789008][  T464] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.789173][  T464] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.789330][  T464] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.789760][  T464] RSP: 0018:ffa0000001147188 EFLAGS: 00010286
[   25.789981][  T464] RAX: 00000000ffffffa6 RBX: ff1100000fd2de00 RCX: 1ff4000000228df7
[   25.790167][  T464] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fd2deb8
[   25.790346][  T464] RBP: ff1100000c584000 R08: 1fe2200001fa5bd8 R09: ff1100000b8bae58
[   25.790525][  T464] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   25.790707][  T464] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.790941][  T464] FS:  00007fae78055840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   25.791162][  T464] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.791313][  T464] CR2: 00007f9e0867cf98 CR3: 000000000b8aa002 CR4: 0000000000771ef0
[   25.791495][  T464] PKRU: 55555554
[   25.791585][  T464] Call Trace:
[   25.791678][  T464]  <TASK>
[   25.791741][  T464]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.791945][  T464]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.792143][  T464]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.792265][  T464]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.792386][  T464]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.792541][  T464]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.792661][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.792783][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.792954][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.793080][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.793216][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.793336][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.793458][  T464]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.793579][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.793702][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.793878][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.794002][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.794123][  T464]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.794244][  T464]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.794364][  T464]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.794485][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.794605][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.794749][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.794932][  T464]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.795061][  T464]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.795182][  T464]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.795301][  T464]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.795420][  T464]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.795544][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.795664][  T464]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.795787][  T464]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.795961][  T464]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.796086][  T464]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.796209][  T464]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.796331][  T464]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.796451][  T464]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.796573][  T464]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.796694][  T464]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.796862][  T464]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.797017][  T464]  ? move_addr_to_kernel (net/socket.c:258)
[   25.797153][  T464]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.797275][  T464]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.797397][  T464]  ___sys_sendmsg (net/socket.c:2752)
[   25.797521][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.797675][  T464]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.797859][  T464]  __sys_sendmsg (net/socket.c:2784)
[   25.797982][  T464]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.798109][  T464]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.798262][  T464]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.798384][  T464]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.798505][  T464]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.798626][  T464]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.798752][  T464]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.798923][  T464]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.799101][  T464] RIP: 0033:0x7fae7828f08e
[   25.799227][  T464] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.799657][  T464] RSP: 002b:00007ffc0a354660 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.799892][  T464] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fae7828f08e
[   25.800080][  T464] RDX: 0000000000000000 RSI: 00007ffc0a354710 RDI: 0000000000000005
[   25.800264][  T464] RBP: 00007ffc0a354670 R08: 0000000000000000 R09: 0000000000000000
[   25.800447][  T464] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.800626][  T464] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc0a354de0
| [   25.801957][  T464] ---[ end trace 0000000000000000 ]---
| [   25.848796][  T465] ------------[ cut here ]------------
| [   25.848956][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/465
| [   25.849455][  T465] Tainted: [W]=WARN
[   25.849551][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.849743][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.849914][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.850374][  T465] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   25.850536][  T465] RAX: 00000000ffffffa6 RBX: ff1100000a4bc040 RCX: 1ff4000000236dd1
[   25.850725][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000a4bc0f8
[   25.850921][  T465] RBP: ff110000089e1000 R08: 1fe2200001497820 R09: ff1100000c662e58
[   25.851114][  T465] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   25.851302][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000c504000
[   25.851490][  T465] FS:  00007f529e20e840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   25.851713][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.851883][  T465] CR2: 000000001d084988 CR3: 000000000c8dc006 CR4: 0000000000771ef0
[   25.852077][  T465] PKRU: 55555554
[   25.852172][  T465] Call Trace:
[   25.852266][  T465]  <TASK>
[   25.852331][  T465]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.852460][  T465]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.852558][  T465]  netif_close_many (net/core/dev.c:1804)
[   25.852684][  T465]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.852816][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.852943][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.853073][  T465]  ? __dev_close_many (net/core/dev.c:1781)
[   25.853200][  T465]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.853357][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.853515][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.853642][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.853802][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.854091][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.854217][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.854374][  T465]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.854502][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.854629][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.854758][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.854892][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.855026][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.855166][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.855292][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.855419][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.855544][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.855670][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.855797][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.855929][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.856061][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.856217][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.856345][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.856471][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.856597][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.856722][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.856857][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.856984][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.857132][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.857258][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.857385][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.857514][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.857639][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.857769][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.857903][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.858039][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.858166][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.858294][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.858422][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.858550][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.858677][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.858812][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.858970][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   25.859104][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.859232][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.859360][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   25.859486][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.859644][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.859782][  T465]  __sys_sendmsg (net/socket.c:2784)
[   25.859913][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.860043][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.860202][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.860330][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.860457][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.860584][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.860712][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.860845][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.861008][  T465] RIP: 0033:0x7f529e44808e
[   25.861143][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.861595][  T465] RSP: 002b:00007fff1688e3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.861787][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f529e44808e
[   25.861983][  T465] RDX: 0000000000000000 RSI: 00007fff1688e450 RDI: 0000000000000005
[   25.862177][  T465] RBP: 00007fff1688e3b0 R08: 0000000000000000 R09: 0000000000000000
[   25.862366][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.862557][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1688eb20
| [   25.863868][  T465] ---[ end trace 0000000000000000 ]---
| [   25.865258][  T465] ------------[ cut here ]------------
| [   25.865387][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/465
| [   25.866433][  T465] Tainted: [W]=WARN
[   25.866530][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.866693][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.866862][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.867318][  T465] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   25.867478][  T465] RAX: 00000000ffffffa6 RBX: ff110000107efa80 RCX: 1ff4000000236dd1
[   25.867693][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000107efb38
[   25.867885][  T465] RBP: ff1100000c504000 R08: 1fe22000020fdf68 R09: ff1100000c662e58
[   25.868076][  T465] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   25.868265][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011b70f0
[   25.868459][  T465] FS:  00007f529e20e840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   25.868678][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.868842][  T465] CR2: 000000001d084988 CR3: 000000000c8dc006 CR4: 0000000000771ef0
[   25.869034][  T465] PKRU: 55555554
[   25.869129][  T465] Call Trace:
[   25.869223][  T465]  <TASK>
[   25.869288][  T465]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.869416][  T465]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.869545][  T465]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.869642][  T465]  netif_close_many (net/core/dev.c:1804)
[   25.869769][  T465]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.869901][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.870034][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.870160][  T465]  ? __dev_close_many (net/core/dev.c:1781)
[   25.870288][  T465]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.870449][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.870606][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.870732][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.870895][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.871028][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.871155][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.871314][  T465]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.871446][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.871572][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.871698][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.871831][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.871956][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.872101][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.872228][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.872357][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.872483][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.872610][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.872736][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.872867][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.872993][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.873129][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.873255][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.873384][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.873510][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.873638][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.873770][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.873907][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.874074][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.874205][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.874334][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.874469][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.874599][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.874725][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.874857][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.874984][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.875115][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.875241][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.875368][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.875495][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.875623][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.875749][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.875914][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   25.876046][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.876173][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.876302][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   25.876431][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.876595][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.876737][  T465]  __sys_sendmsg (net/socket.c:2784)
[   25.876869][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.876998][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.877157][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.877285][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.877411][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.877538][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.877663][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.877791][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.877952][  T465] RIP: 0033:0x7f529e44808e
[   25.878090][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.878544][  T465] RSP: 002b:00007fff1688e3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.878742][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f529e44808e
[   25.878938][  T465] RDX: 0000000000000000 RSI: 00007fff1688e450 RDI: 0000000000000005
[   25.879153][  T465] RBP: 00007fff1688e3b0 R08: 0000000000000000 R09: 0000000000000000
[   25.879341][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.879529][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1688eb20
| [   25.880800][  T465] ---[ end trace 0000000000000000 ]---
| [   25.882580][  T465] ------------[ cut here ]------------
| [   25.882716][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/465
| [   25.883233][  T465] Tainted: [W]=WARN
[   25.883326][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.883487][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.883650][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.884149][  T465] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   25.884401][  T465] RAX: 00000000ffffffa6 RBX: ff110000107e31c0 RCX: 1ff4000000236df7
[   25.884589][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000107e3278
[   25.884769][  T465] RBP: ff110000089e1000 R08: 1fe22000020fc650 R09: ff1100000c662e58
[   25.885047][  T465] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   25.885229][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.885411][  T465] FS:  00007f529e20e840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   25.885621][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.885773][  T465] CR2: 000000001d084988 CR3: 000000000c8dc006 CR4: 0000000000771ef0
[   25.886026][  T465] PKRU: 55555554
[   25.886118][  T465] Call Trace:
[   25.886208][  T465]  <TASK>
[   25.886271][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.886432][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.886590][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.886718][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.886891][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.887051][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.887174][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.887296][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.887420][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.887545][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.887686][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.887883][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.888014][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.888135][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.888258][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.888379][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.888500][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.888621][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.888749][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.888950][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.889078][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.889200][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.889325][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.889452][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.889576][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.889699][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.889873][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.889998][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.890124][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.890245][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.890369][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.890491][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.890616][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.890771][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.890946][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.891077][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.891198][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.891320][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.891440][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.891591][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   25.891713][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.891887][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.892017][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   25.892137][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.892288][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.892419][  T465]  __sys_sendmsg (net/socket.c:2784)
[   25.892540][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.892663][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.892864][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.892989][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.893116][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.893239][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.893365][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.893487][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.893637][  T465] RIP: 0033:0x7f529e44808e
[   25.893763][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.894255][  T465] RSP: 002b:00007fff1688e3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.894441][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f529e44808e
[   25.894623][  T465] RDX: 0000000000000000 RSI: 00007fff1688e450 RDI: 0000000000000005
[   25.894872][  T465] RBP: 00007fff1688e3b0 R08: 0000000000000000 R09: 0000000000000000
[   25.895060][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.895240][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1688eb20
| [   25.896588][  T465] ---[ end trace 0000000000000000 ]---
| [   25.898197][  T465] ------------[ cut here ]------------
| [   25.898365][  T465] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/465
| [   25.898931][  T465] Tainted: [W]=WARN
[   25.899074][  T465] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.899273][  T465] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.899479][  T465] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.900013][  T465] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   25.900223][  T465] RAX: 00000000ffffffa6 RBX: ff1100000ba68580 RCX: 1ff4000000236df7
[   25.900457][  T465] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba68638
[   25.900683][  T465] RBP: ff1100000c504000 R08: 1fe220000174d0c8 R09: ff1100000c662e58
[   25.900922][  T465] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.901167][  T465] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.901395][  T465] FS:  00007f529e20e840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   25.901661][  T465] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.901872][  T465] CR2: 00007fae78122574 CR3: 000000000c8dc002 CR4: 0000000000771ef0
[   25.902109][  T465] PKRU: 55555554
[   25.902246][  T465] Call Trace:
[   25.902383][  T465]  <TASK>
[   25.902493][  T465]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   25.902694][  T465]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.902904][  T465]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.903085][  T465]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.903258][  T465]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.903461][  T465]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.903630][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.903797][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.903982][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.904158][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.904340][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.904507][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.904674][  T465]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.904854][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.905032][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.905199][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.905368][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.905536][  T465]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.905704][  T465]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.905883][  T465]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.906062][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.906230][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.906397][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.906565][  T465]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.906732][  T465]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.906922][  T465]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.907096][  T465]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.907264][  T465]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.907438][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.907604][  T465]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.907773][  T465]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.907973][  T465]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.908150][  T465]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.908319][  T465]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.908488][  T465]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.908656][  T465]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.908841][  T465]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.909016][  T465]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.909185][  T465]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.909381][  T465]  ? move_addr_to_kernel (net/socket.c:258)
[   25.909549][  T465]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.909716][  T465]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.909899][  T465]  ___sys_sendmsg (net/socket.c:2752)
[   25.910079][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.910276][  T465]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.910453][  T465]  __sys_sendmsg (net/socket.c:2784)
[   25.910622][  T465]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.910789][  T465]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.911010][  T465]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.911180][  T465]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.911353][  T465]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.911523][  T465]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.911690][  T465]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.911873][  T465]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.912075][  T465] RIP: 0033:0x7f529e44808e
[   25.912250][  T465] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.912739][  T465] RSP: 002b:00007fff1688e3a0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.912981][  T465] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f529e44808e
[   25.913214][  T465] RDX: 0000000000000000 RSI: 00007fff1688e450 RDI: 0000000000000005
[   25.913443][  T465] RBP: 00007fff1688e3b0 R08: 0000000000000000 R09: 0000000000000000
[   25.913669][  T465] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.913908][  T465] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff1688eb20
| [   25.915469][  T465] ---[ end trace 0000000000000000 ]---
| [   25.952494][  T466] ------------[ cut here ]------------
| [   25.952636][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/466
| [   25.953125][  T466] Tainted: [W]=WARN
[   25.953220][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.953380][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.953546][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.954021][  T466] RSP: 0018:ffa0000001177058 EFLAGS: 00010286
[   25.954184][  T466] RAX: 00000000ffffffa6 RBX: ff110000107e2040 RCX: 1ff400000022edd1
[   25.954374][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000107e20f8
[   25.954566][  T466] RBP: ff11000009e84000 R08: 1fe22000020fc420 R09: ff1100000c665158
[   25.954752][  T466] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   25.954942][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000082e9000
[   25.955138][  T466] FS:  00007f938ae8e840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   25.955359][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.955516][  T466] CR2: 0000000018fad988 CR3: 000000000fd61004 CR4: 0000000000771ef0
[   25.955706][  T466] PKRU: 55555554
[   25.955802][  T466] Call Trace:
[   25.955903][  T466]  <TASK>
[   25.955969][  T466]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.956102][  T466]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.956199][  T466]  netif_close_many (net/core/dev.c:1804)
[   25.956325][  T466]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.956450][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.956575][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.956702][  T466]  ? __dev_close_many (net/core/dev.c:1781)
[   25.956833][  T466]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.956991][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.957156][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.957281][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.957437][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.957561][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.957687][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.957902][  T466]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.958037][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.958165][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.958293][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.958418][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.958544][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.958684][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.958885][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.959088][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.959218][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.959345][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.959470][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.959596][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.959722][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.959931][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.960065][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.960190][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.960316][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.960441][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.960567][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.960692][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.960900][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.961030][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.961155][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.961282][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.961408][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.961536][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.961661][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.961786][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.961977][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.962109][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.962236][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.962365][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.962490][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.962615][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.962771][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   25.962950][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.963083][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.963211][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   25.963337][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.963493][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.963628][  T466]  __sys_sendmsg (net/socket.c:2784)
[   25.963753][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.963952][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.964114][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.964239][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.964368][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.964494][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.964620][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.964745][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.964905][  T466] RIP: 0033:0x7f938b0c808e
[   25.965040][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.965490][  T466] RSP: 002b:00007ffe2b8966e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.965679][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f938b0c808e
[   25.965873][  T466] RDX: 0000000000000000 RSI: 00007ffe2b896790 RDI: 0000000000000005
[   25.966065][  T466] RBP: 00007ffe2b8966f0 R08: 0000000000000000 R09: 0000000000000000
[   25.966253][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.966442][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2b896e60
| [   25.967768][  T466] ---[ end trace 0000000000000000 ]---
| [   25.973460][  T466] ------------[ cut here ]------------
| [   25.973652][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/466
| [   25.974249][  T466] Tainted: [W]=WARN
[   25.974398][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.974602][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.974857][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.975359][  T466] RSP: 0018:ffa0000001177058 EFLAGS: 00010286
[   25.975578][  T466] RAX: 00000000ffffffa6 RBX: ff1100000c0fec80 RCX: 1ff400000022edd1
[   25.975827][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c0fed38
[   25.976071][  T466] RBP: ff110000082e9000 R08: 1fe220000181fda8 R09: ff1100000c665158
[   25.976304][  T466] R10: 0000000000000002 R11: 0000000000000001 R12: 0000000000000041
[   25.976542][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011770f0
[   25.976777][  T466] FS:  00007f938ae8e840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   25.977067][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.977273][  T466] CR2: 00005617ab967d5c CR3: 000000000fd61005 CR4: 0000000000771ef0
[   25.977511][  T466] PKRU: 55555554
[   25.977654][  T466] Call Trace:
[   25.977796][  T466]  <TASK>
[   25.977920][  T466]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   25.978103][  T466]  ? notifier_call_chain (kernel/notifier.c:85)
[   25.978281][  T466]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   25.978426][  T466]  netif_close_many (net/core/dev.c:1804)
[   25.978600][  T466]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   25.978771][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.978957][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.979139][  T466]  ? __dev_close_many (net/core/dev.c:1781)
[   25.979314][  T466]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   25.979519][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   25.979726][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.979914][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   25.980124][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   25.980300][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   25.980476][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   25.980683][  T466]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   25.980873][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   25.981057][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.981230][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.981405][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.981578][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.981768][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.981952][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.982142][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   25.982319][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.982496][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.982667][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.982853][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.983035][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   25.983214][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   25.983387][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   25.983562][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.983735][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.983917][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.984103][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   25.984274][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   25.984452][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   25.984625][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   25.984798][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   25.984987][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   25.985167][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   25.985343][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   25.985518][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   25.985694][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   25.985885][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   25.986072][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   25.986247][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   25.986423][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   25.986596][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   25.986768][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   25.986978][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   25.987167][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   25.987339][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   25.987513][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   25.987686][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   25.987903][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   25.988095][  T466]  __sys_sendmsg (net/socket.c:2784)
[   25.988268][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   25.988444][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   25.988652][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   25.988838][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   25.989021][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   25.989197][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   25.989370][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   25.989543][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   25.989745][  T466] RIP: 0033:0x7f938b0c808e
[   25.989941][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   25.990447][  T466] RSP: 002b:00007ffe2b8966e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   25.990685][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f938b0c808e
[   25.990936][  T466] RDX: 0000000000000000 RSI: 00007ffe2b896790 RDI: 0000000000000005
[   25.991181][  T466] RBP: 00007ffe2b8966f0 R08: 0000000000000000 R09: 0000000000000000
[   25.991416][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   25.991650][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2b896e60
| [   25.993281][  T466] ---[ end trace 0000000000000000 ]---
| [   25.995628][  T466] ------------[ cut here ]------------
| [   25.995796][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/466
| [   25.996373][  T466] Tainted: [W]=WARN
[   25.996510][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   25.996708][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   25.996927][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   25.997414][  T466] RSP: 0018:ffa0000001177188 EFLAGS: 00010286
[   25.997613][  T466] RAX: 00000000ffffffa6 RBX: ff1100000fcb9a80 RCX: 1ff400000022edf7
[   25.997852][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fcb9b38
[   25.998093][  T466] RBP: ff11000009e84000 R08: 1fe2200001f97368 R09: ff1100000c665158
[   25.998319][  T466] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   25.998545][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   25.998773][  T466] FS:  00007f938ae8e840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   25.999053][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   25.999257][  T466] CR2: 00005617ab967d5c CR3: 000000000fd61005 CR4: 0000000000771ef0
[   25.999486][  T466] PKRU: 55555554
[   25.999625][  T466] Call Trace:
[   25.999762][  T466]  <TASK>
[   25.999884][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.000093][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.000290][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.000462][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.000629][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.000843][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.001020][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.001188][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.001357][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.001525][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.001711][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.001892][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.002068][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.002238][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.002408][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.002575][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.002744][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.002925][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.003103][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.003271][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.003440][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.003607][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.003773][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.003953][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.004128][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.004297][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.004468][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.004636][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.004821][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.005004][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.005176][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.005345][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.005513][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.005684][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.005868][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.006045][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.006215][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.006383][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.006551][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.006749][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   26.006936][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.007112][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.007281][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   26.007449][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.007649][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.007839][  T466]  __sys_sendmsg (net/socket.c:2784)
[   26.008017][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.008185][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.008389][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.008559][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.008731][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.008913][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.009091][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.009262][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.009461][  T466] RIP: 0033:0x7f938b0c808e
[   26.009640][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.010136][  T466] RSP: 002b:00007ffe2b8966e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.010366][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f938b0c808e
[   26.010598][  T466] RDX: 0000000000000000 RSI: 00007ffe2b896790 RDI: 0000000000000005
[   26.010838][  T466] RBP: 00007ffe2b8966f0 R08: 0000000000000000 R09: 0000000000000000
[   26.011073][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.011300][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2b896e60
| [   26.012873][  T466] ---[ end trace 0000000000000000 ]---
| [   26.014525][  T466] ------------[ cut here ]------------
| [   26.014703][  T466] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ip/466
| [   26.015780][  T466] Tainted: [W]=WARN
[   26.015982][  T466] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.016239][  T466] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.016502][  T466] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.017055][  T466] RSP: 0018:ffa0000001177188 EFLAGS: 00010286
[   26.017306][  T466] RAX: 00000000ffffffa6 RBX: ff11000009815c40 RCX: 1ff400000022edf7
[   26.017593][  T466] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009815cf8
[   26.017883][  T466] RBP: ff110000082e9000 R08: 1fe2200001302ba0 R09: ff1100000c665158
[   26.018175][  T466] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.018454][  T466] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.018732][  T466] FS:  00007f938ae8e840(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   26.019061][  T466] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.019336][  T466] CR2: 00005617ab967d5c CR3: 000000000fd61005 CR4: 0000000000771ef0
[   26.019620][  T466] PKRU: 55555554
[   26.019821][  T466] Call Trace:
[   26.020015][  T466]  <TASK>
[   26.020175][  T466]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.020423][  T466]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.020670][  T466]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.020904][  T466]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.021131][  T466]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.021381][  T466]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.021599][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.021829][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.022056][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.022273][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.022503][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.022722][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.022952][  T466]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.023183][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.023402][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.023618][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.023850][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.024074][  T466]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.024298][  T466]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.024515][  T466]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.024838][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.025109][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.025378][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.025544][  T466]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.025712][  T466]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.025897][  T466]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.026072][  T466]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.026240][  T466]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.026413][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.026579][  T466]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.026749][  T466]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.026931][  T466]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.027104][  T466]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.027277][  T466]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.027446][  T466]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.027614][  T466]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.027784][  T466]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.027966][  T466]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.028140][  T466]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.028334][  T466]  ? move_addr_to_kernel (net/socket.c:258)
[   26.028503][  T466]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.028675][  T466]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.028856][  T466]  ___sys_sendmsg (net/socket.c:2752)
[   26.029031][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.029229][  T466]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.029406][  T466]  __sys_sendmsg (net/socket.c:2784)
[   26.029573][  T466]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.029740][  T466]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.029956][  T466]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.030134][  T466]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.030302][  T466]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.030470][  T466]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.030637][  T466]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.030817][  T466]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.031020][  T466] RIP: 0033:0x7f938b0c808e
[   26.031195][  T466] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.031666][  T466] RSP: 002b:00007ffe2b8966e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.031921][  T466] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f938b0c808e
[   26.032160][  T466] RDX: 0000000000000000 RSI: 00007ffe2b896790 RDI: 0000000000000005
[   26.032385][  T466] RBP: 00007ffe2b8966f0 R08: 0000000000000000 R09: 0000000000000000
[   26.032612][  T466] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.032854][  T466] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe2b896e60
| [   26.034445][  T466] ---[ end trace 0000000000000000 ]---
| [   26.081360][  T467] ------------[ cut here ]------------
| [   26.081523][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/467
| [   26.082013][  T467] Tainted: [W]=WARN
[   26.082112][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.082271][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.082436][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.082889][  T467] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   26.083057][  T467] RAX: 00000000ffffffa6 RBX: ff110000098158c0 RCX: 1ff4000000236dd1
[   26.083245][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009815978
[   26.083432][  T467] RBP: ff11000009cc9000 R08: 1fe2200001302b30 R09: ff11000009e55158
[   26.083621][  T467] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   26.083817][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000938c000
[   26.084010][  T467] FS:  00007fa884978840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.084233][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.084393][  T467] CR2: 000000003ffd5988 CR3: 000000000d444003 CR4: 0000000000771ef0
[   26.084583][  T467] PKRU: 55555554
[   26.084679][  T467] Call Trace:
[   26.084774][  T467]  <TASK>
[   26.084845][  T467]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.084973][  T467]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.085074][  T467]  netif_close_many (net/core/dev.c:1804)
[   26.085200][  T467]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.085326][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.085453][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.085579][  T467]  ? __dev_close_many (net/core/dev.c:1781)
[   26.085707][  T467]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.085873][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.086038][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.086166][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.086323][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.086449][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.086577][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.086736][  T467]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.086871][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.087000][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.087148][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.087285][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.087413][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.087553][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.087681][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.087815][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.087943][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.088078][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.088205][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.088331][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.088459][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.088588][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.088716][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.088852][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.088982][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.089114][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.089241][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.089365][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.089491][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.089617][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.089745][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.089879][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.090008][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.090136][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.090264][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.090390][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.090519][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.090649][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.090780][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.090911][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.091044][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.091172][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.091330][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   26.091462][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.091593][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.091724][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   26.091859][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.092024][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.092160][  T467]  __sys_sendmsg (net/socket.c:2784)
[   26.092286][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.092411][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.092572][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.092699][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.092830][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.092955][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.093085][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.093210][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.093367][  T467] RIP: 0033:0x7fa884bb208e
[   26.093498][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.093954][  T467] RSP: 002b:00007ffec5eb1330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.094152][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa884bb208e
[   26.094343][  T467] RDX: 0000000000000000 RSI: 00007ffec5eb13e0 RDI: 0000000000000005
[   26.094534][  T467] RBP: 00007ffec5eb1340 R08: 0000000000000000 R09: 0000000000000000
[   26.094725][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.094921][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec5eb1ab0
| [   26.096214][  T467] ---[ end trace 0000000000000000 ]---
| [   26.097594][  T467] ------------[ cut here ]------------
| [   26.097727][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/467
| [   26.098885][  T467] Tainted: [W]=WARN
[   26.098982][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.099145][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.099308][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.099848][  T467] RSP: 0018:ffa00000011b7058 EFLAGS: 00010286
[   26.100012][  T467] RAX: 00000000ffffffa6 RBX: ff1100000ff491c0 RCX: 1ff4000000236dd1
[   26.100202][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ff49278
[   26.100392][  T467] RBP: ff1100000938c000 R08: 1fe2200001fe9250 R09: ff11000009e55158
[   26.100584][  T467] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   26.100772][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011b70f0
[   26.100970][  T467] FS:  00007fa884978840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.101199][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.101362][  T467] CR2: 000000003ffd5988 CR3: 000000000d444003 CR4: 0000000000771ef0
[   26.101553][  T467] PKRU: 55555554
[   26.101649][  T467] Call Trace:
[   26.101744][  T467]  <TASK>
[   26.101816][  T467]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.101944][  T467]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.102075][  T467]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.102172][  T467]  netif_close_many (net/core/dev.c:1804)
[   26.102300][  T467]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.102427][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.102554][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.102680][  T467]  ? __dev_close_many (net/core/dev.c:1781)
[   26.102811][  T467]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.102971][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.103147][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.103276][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.103435][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.103562][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.103689][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.103852][  T467]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.103984][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.104118][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.104245][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.104397][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.104532][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.104673][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.104797][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.104928][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.105061][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.105194][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.105325][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.105455][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.105581][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.105710][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.105841][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.105966][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.106096][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.106223][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.106352][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.106477][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.106605][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.106730][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.106862][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.106989][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.107118][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.107246][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.107373][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.107499][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.107627][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.107753][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.107883][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.108015][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.108140][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.108268][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.108425][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   26.108551][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.108677][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.108811][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   26.108936][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.109095][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.109230][  T467]  __sys_sendmsg (net/socket.c:2784)
[   26.109355][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.109481][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.109639][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.109765][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.109897][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.110027][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.110153][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.110280][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.110435][  T467] RIP: 0033:0x7fa884bb208e
[   26.110565][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.111023][  T467] RSP: 002b:00007ffec5eb1330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.111214][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa884bb208e
[   26.111400][  T467] RDX: 0000000000000000 RSI: 00007ffec5eb13e0 RDI: 0000000000000005
[   26.111589][  T467] RBP: 00007ffec5eb1340 R08: 0000000000000000 R09: 0000000000000000
[   26.111775][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.111972][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec5eb1ab0
| [   26.113235][  T467] ---[ end trace 0000000000000000 ]---
| [   26.116410][  T467] ------------[ cut here ]------------
| [   26.116543][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/467
| [   26.117008][  T467] Tainted: [W]=WARN
[   26.117100][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.117252][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.117410][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.117849][  T467] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   26.118005][  T467] RAX: 00000000ffffffa6 RBX: ff1100000fd56580 RCX: 1ff4000000236df7
[   26.118189][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000fd56638
[   26.118369][  T467] RBP: ff11000009cc9000 R08: 1fe2200001faacc8 R09: ff11000009e55158
[   26.118550][  T467] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.118730][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.118916][  T467] FS:  00007fa884978840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.119136][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.119288][  T467] CR2: 000000003ffd5988 CR3: 000000000d444003 CR4: 0000000000771ef0
[   26.119468][  T467] PKRU: 55555554
[   26.119559][  T467] Call Trace:
[   26.119648][  T467]  <TASK>
[   26.119710][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.119871][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.120026][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.120146][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.120266][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.120422][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.120544][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.120666][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.120790][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.120916][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.121053][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.121173][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.121293][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.121414][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.121536][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.121655][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.121780][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.121905][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.122030][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.122156][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.122277][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.122397][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.122517][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.122640][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.122762][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.122937][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.123062][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.123182][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.123304][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.123425][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.123548][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.123670][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.123792][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.124013][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.124137][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.124257][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.124379][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.124499][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.124621][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.124771][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   26.124944][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.125067][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.125189][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   26.125308][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.125458][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.125589][  T467]  __sys_sendmsg (net/socket.c:2784)
[   26.125710][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.125881][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.126037][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.126159][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.126281][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.126401][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.126521][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.126644][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.126794][  T467] RIP: 0033:0x7fa884bb208e
[   26.126974][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.127410][  T467] RSP: 002b:00007ffec5eb1330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.127595][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa884bb208e
[   26.127777][  T467] RDX: 0000000000000000 RSI: 00007ffec5eb13e0 RDI: 0000000000000005
[   26.128016][  T467] RBP: 00007ffec5eb1340 R08: 0000000000000000 R09: 0000000000000000
[   26.128197][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.128378][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec5eb1ab0
| [   26.129636][  T467] ---[ end trace 0000000000000000 ]---
| [   26.132300][  T467] ------------[ cut here ]------------
| [   26.132429][  T467] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/467
| [   26.132900][  T467] Tainted: [W]=WARN
[   26.132991][  T467] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.133163][  T467] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.133322][  T467] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.133750][  T467] RSP: 0018:ffa00000011b7188 EFLAGS: 00010286
[   26.133905][  T467] RAX: 00000000ffffffa6 RBX: ff1100000d584580 RCX: 1ff4000000236df7
[   26.134092][  T467] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d584638
[   26.134273][  T467] RBP: ff1100000938c000 R08: 1fe2200001ab08c8 R09: ff11000009e55158
[   26.134453][  T467] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.134634][  T467] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.134823][  T467] FS:  00007fa884978840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   26.135042][  T467] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.135194][  T467] CR2: 0000000018fad988 CR3: 000000000d444005 CR4: 0000000000771ef0
[   26.135374][  T467] PKRU: 55555554
[   26.135465][  T467] Call Trace:
[   26.135556][  T467]  <TASK>
[   26.135619][  T467]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.135775][  T467]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.135935][  T467]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.136060][  T467]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.136181][  T467]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.136334][  T467]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.136455][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.136577][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.136700][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.136826][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.136960][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.137089][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.137210][  T467]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.137330][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.137452][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.137571][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.137693][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.137818][  T467]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.137939][  T467]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.138066][  T467]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.138188][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.138308][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.138428][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.138550][  T467]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.138673][  T467]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.138794][  T467]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.138924][  T467]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.139049][  T467]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.139174][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.139294][  T467]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.139416][  T467]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.139539][  T467]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.139660][  T467]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.139782][  T467]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.139908][  T467]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.140035][  T467]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.140157][  T467]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.140279][  T467]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.140399][  T467]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.140551][  T467]  ? move_addr_to_kernel (net/socket.c:258)
[   26.140674][  T467]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.140794][  T467]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.140924][  T467]  ___sys_sendmsg (net/socket.c:2752)
[   26.141050][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.141201][  T467]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.141331][  T467]  __sys_sendmsg (net/socket.c:2784)
[   26.141453][  T467]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.141573][  T467]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.141726][  T467]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.141854][  T467]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.141977][  T467]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.142101][  T467]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.142222][  T467]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.142344][  T467]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.142493][  T467] RIP: 0033:0x7fa884bb208e
[   26.142620][  T467] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.143062][  T467] RSP: 002b:00007ffec5eb1330 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.143248][  T467] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fa884bb208e
[   26.143428][  T467] RDX: 0000000000000000 RSI: 00007ffec5eb13e0 RDI: 0000000000000005
[   26.143609][  T467] RBP: 00007ffec5eb1340 R08: 0000000000000000 R09: 0000000000000000
[   26.143792][  T467] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.143980][  T467] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffec5eb1ab0
| [   26.145213][  T467] ---[ end trace 0000000000000000 ]---
| [   26.193047][  T468] ------------[ cut here ]------------
| [   26.193204][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/468
| [   26.193689][  T468] Tainted: [W]=WARN
[   26.193783][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.193945][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.194111][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.194566][  T468] RSP: 0018:ffa0000001177058 EFLAGS: 00010286
[   26.194725][  T468] RAX: 00000000ffffffa6 RBX: ff1100000d585700 RCX: 1ff400000022edd1
[   26.194920][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d5857b8
[   26.195111][  T468] RBP: ff1100000d754000 R08: 1fe2200001ab0af8 R09: ff11000009e52e58
[   26.195297][  T468] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   26.195483][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d751000
[   26.195673][  T468] FS:  00007fdcb217f840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   26.195902][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.196066][  T468] CR2: 00000000322f2988 CR3: 0000000008a81001 CR4: 0000000000771ef0
[   26.196256][  T468] PKRU: 55555554
[   26.196348][  T468] Call Trace:
[   26.196441][  T468]  <TASK>
[   26.196506][  T468]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.196638][  T468]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.196736][  T468]  netif_close_many (net/core/dev.c:1804)
[   26.196867][  T468]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.196992][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.197121][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.197247][  T468]  ? __dev_close_many (net/core/dev.c:1781)
[   26.197372][  T468]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.197532][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.197690][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.197818][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.197973][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.198148][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.198273][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.198431][  T468]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.198558][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.198686][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.198873][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.199001][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.199126][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.199266][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.199390][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.199518][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.199646][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.199773][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.199955][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.200082][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.200208][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.200341][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.200466][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.200611][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.200736][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.200914][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.201044][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.201169][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.201297][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.201420][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.201545][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.201673][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.201797][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.201978][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.202139][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.202270][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.202395][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.202521][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.202647][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.202776][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.202958][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.203089][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.203242][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   26.203369][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.203494][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.203625][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   26.203754][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.203960][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.204100][  T468]  __sys_sendmsg (net/socket.c:2784)
[   26.204226][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.204354][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.204516][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.204641][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.204767][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.204946][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.205073][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.205197][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.205353][  T468] RIP: 0033:0x7fdcb23b908e
[   26.205483][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.206033][  T468] RSP: 002b:00007ffe76287f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.206251][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdcb23b908e
[   26.206439][  T468] RDX: 0000000000000000 RSI: 00007ffe76287fc0 RDI: 0000000000000005
[   26.206626][  T468] RBP: 00007ffe76287f20 R08: 0000000000000000 R09: 0000000000000000
[   26.206885][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.207100][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76288690
| [   26.208437][  T468] ---[ end trace 0000000000000000 ]---
| [   26.209708][  T468] ------------[ cut here ]------------
| [   26.209870][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/468
| [   26.210353][  T468] Tainted: [W]=WARN
[   26.210448][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.210606][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.210772][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.211242][  T468] RSP: 0018:ffa0000001177058 EFLAGS: 00010286
[   26.211401][  T468] RAX: 00000000ffffffa6 RBX: ff1100000c9b7000 RCX: 1ff400000022edd1
[   26.211586][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c9b70b8
[   26.211785][  T468] RBP: ff1100000d751000 R08: 1fe2200001936e18 R09: ff11000009e52e58
[   26.211984][  T468] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000041
[   26.212173][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: ffa00000011770f0
[   26.212359][  T468] FS:  00007fdcb217f840(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   26.212590][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.212749][  T468] CR2: 00005617ab967d5c CR3: 0000000008a81006 CR4: 0000000000771ef0
[   26.212942][  T468] PKRU: 55555554
[   26.213040][  T468] Call Trace:
[   26.213132][  T468]  <TASK>
[   26.213196][  T468]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.213326][  T468]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.213463][  T468]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.213559][  T468]  netif_close_many (net/core/dev.c:1804)
[   26.213682][  T468]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.213811][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.213937][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.214068][  T468]  ? __dev_close_many (net/core/dev.c:1781)
[   26.214197][  T468]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.214383][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.214541][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.214666][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.214826][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.214951][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.215078][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.215233][  T468]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.215360][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.215493][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.215621][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.215748][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.215877][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.216020][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.216145][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.216269][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.216399][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.216534][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.216660][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.216791][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.216922][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.217055][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.217180][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.217305][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.217431][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.217557][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.217685][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.217838][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.217964][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.218112][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.218237][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.218366][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.218491][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.218620][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.218752][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.218887][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.219021][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.219148][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.219272][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.219398][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.219524][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.219652][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.219815][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   26.219940][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.220071][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.220197][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   26.220322][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.220484][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.220618][  T468]  __sys_sendmsg (net/socket.c:2784)
[   26.220761][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.220892][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.221056][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.221181][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.221307][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.221434][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.221561][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.221686][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.221856][  T468] RIP: 0033:0x7fdcb23b908e
[   26.221989][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.222440][  T468] RSP: 002b:00007ffe76287f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.222630][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdcb23b908e
[   26.222836][  T468] RDX: 0000000000000000 RSI: 00007ffe76287fc0 RDI: 0000000000000005
[   26.223026][  T468] RBP: 00007ffe76287f20 R08: 0000000000000000 R09: 0000000000000000
[   26.223214][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.223401][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76288690
| [   26.224695][  T468] ---[ end trace 0000000000000000 ]---
| [   26.226537][  T468] ------------[ cut here ]------------
| [   26.226672][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/468
| [   26.227309][  T468] Tainted: [W]=WARN
[   26.227400][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.227555][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.227727][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.228243][  T468] RSP: 0018:ffa0000001177188 EFLAGS: 00010286
[   26.228399][  T468] RAX: 00000000ffffffa6 RBX: ff1100000b88c040 RCX: 1ff400000022edf7
[   26.228580][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b88c0f8
[   26.228764][  T468] RBP: ff1100000d754000 R08: 1fe2200001711820 R09: ff11000009e52e58
[   26.228969][  T468] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.229156][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.229339][  T468] FS:  00007fdcb217f840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.229551][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.229704][  T468] CR2: 000000003ffd5988 CR3: 0000000008a81004 CR4: 0000000000771ef0
[   26.229892][  T468] PKRU: 55555554
[   26.229982][  T468] Call Trace:
[   26.230077][  T468]  <TASK>
[   26.230139][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.230292][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.230442][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.230562][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.230681][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.230850][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.230971][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.231100][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.231222][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.231342][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.231476][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.231608][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.231729][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.231856][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.231983][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.232107][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.232228][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.232348][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.232470][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.232590][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.232715][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.232841][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.232986][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.233126][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.233251][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.233374][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.233497][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.233621][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.233747][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.233876][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.234006][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.234131][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.234255][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.234377][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.234500][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.234624][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.234748][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.234887][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.235013][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.235202][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   26.235329][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.235452][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.235574][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   26.235695][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.235851][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.235987][  T468]  __sys_sendmsg (net/socket.c:2784)
[   26.236125][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.236245][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.236397][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.236518][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.236640][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.236763][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.236890][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.237020][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.237170][  T468] RIP: 0033:0x7fdcb23b908e
[   26.237296][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.237754][  T468] RSP: 002b:00007ffe76287f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.237943][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdcb23b908e
[   26.238161][  T468] RDX: 0000000000000000 RSI: 00007ffe76287fc0 RDI: 0000000000000005
[   26.238344][  T468] RBP: 00007ffe76287f20 R08: 0000000000000000 R09: 0000000000000000
[   26.238534][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.238722][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76288690
| [   26.239966][  T468] ---[ end trace 0000000000000000 ]---
| [   26.241471][  T468] ------------[ cut here ]------------
| [   26.241606][  T468] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/468
| [   26.242069][  T468] Tainted: [W]=WARN
[   26.242160][  T468] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.242339][  T468] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.242506][  T468] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.242960][  T468] RSP: 0018:ffa0000001177188 EFLAGS: 00010286
[   26.243120][  T468] RAX: 00000000ffffffa6 RBX: ff1100000c679700 RCX: 1ff400000022edf7
[   26.243310][  T468] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c6797b8
[   26.243493][  T468] RBP: ff1100000d751000 R08: 1fe22000018cf2f8 R09: ff11000009e52e58
[   26.243675][  T468] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.243866][  T468] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.244057][  T468] FS:  00007fdcb217f840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.244271][  T468] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.244426][  T468] CR2: 000000003ffd5988 CR3: 0000000008a81004 CR4: 0000000000771ef0
[   26.244610][  T468] PKRU: 55555554
[   26.244705][  T468] Call Trace:
[   26.244800][  T468]  <TASK>
[   26.244869][  T468]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.245057][  T468]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.245210][  T468]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.245332][  T468]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.245454][  T468]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.245609][  T468]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.245732][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.245861][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.245989][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.246119][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.246259][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.246386][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.246511][  T468]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.246637][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.246764][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.246892][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.247018][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.247138][  T468]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.247261][  T468]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.247382][  T468]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.247501][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.247621][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.247748][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.247876][  T468]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.248000][  T468]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.248122][  T468]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.248243][  T468]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.248366][  T468]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.248494][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.248625][  T468]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.248752][  T468]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.248880][  T468]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.249010][  T468]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.249134][  T468]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.249258][  T468]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.249384][  T468]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.249509][  T468]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.249633][  T468]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.249758][  T468]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.249917][  T468]  ? move_addr_to_kernel (net/socket.c:258)
[   26.250044][  T468]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.250166][  T468]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.250289][  T468]  ___sys_sendmsg (net/socket.c:2752)
[   26.250413][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.250569][  T468]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.250702][  T468]  __sys_sendmsg (net/socket.c:2784)
[   26.250830][  T468]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.250953][  T468]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.251110][  T468]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.251233][  T468]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.251357][  T468]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.251479][  T468]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.251604][  T468]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.251727][  T468]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.251885][  T468] RIP: 0033:0x7fdcb23b908e
[   26.252020][  T468] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.252460][  T468] RSP: 002b:00007ffe76287f10 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.252646][  T468] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007fdcb23b908e
[   26.252836][  T468] RDX: 0000000000000000 RSI: 00007ffe76287fc0 RDI: 0000000000000005
[   26.253029][  T468] RBP: 00007ffe76287f20 R08: 0000000000000000 R09: 0000000000000000
[   26.253213][  T468] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.253397][  T468] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffe76288690
| [   26.254637][  T468] ---[ end trace 0000000000000000 ]---
| [   26.299868][  T469] ------------[ cut here ]------------
| [   26.300032][  T469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/469
| [   26.300514][  T469] Tainted: [W]=WARN
[   26.300609][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.300767][  T469] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.300936][  T469] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.301395][  T469] RSP: 0018:ffa0000000ef7058 EFLAGS: 00010286
[   26.301554][  T469] RAX: 00000000ffffffa6 RBX: ff1100000c678ac0 RCX: 1ff40000001dedd1
[   26.301742][  T469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c678b78
[   26.301994][  T469] RBP: ff1100000c98c000 R08: 1fe22000018cf170 R09: ff1100000c198b58
[   26.302187][  T469] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000041
[   26.302376][  T469] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000f821000
[   26.302565][  T469] FS:  00007f9673355840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   26.302788][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.303005][  T469] CR2: 0000000005403988 CR3: 000000000b374004 CR4: 0000000000771ef0
[   26.303196][  T469] PKRU: 55555554
[   26.303291][  T469] Call Trace:
[   26.303385][  T469]  <TASK>
[   26.303451][  T469]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.303580][  T469]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.303676][  T469]  netif_close_many (net/core/dev.c:1804)
[   26.303857][  T469]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.303983][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.304165][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.304291][  T469]  ? __dev_close_many (net/core/dev.c:1781)
[   26.304417][  T469]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.304574][  T469]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.304731][  T469]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.304912][  T469]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.305071][  T469]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.305198][  T469]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.305323][  T469]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.305480][  T469]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.305610][  T469]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.305737][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.305948][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.306079][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.306204][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.306344][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.306469][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.306594][  T469]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.306719][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.306920][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.307053][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.307179][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.307306][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.307433][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.307560][  T469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.307685][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.307894][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.308026][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.308155][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.308280][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.308406][  T469]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.308531][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.308657][  T469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.308788][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.308920][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.309056][  T469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.309184][  T469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.309310][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.309436][  T469]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.309563][  T469]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.309690][  T469]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.309822][  T469]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.309947][  T469]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.310081][  T469]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.310236][  T469]  ? move_addr_to_kernel (net/socket.c:258)
[   26.310363][  T469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.310490][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.310616][  T469]  ___sys_sendmsg (net/socket.c:2752)
[   26.310741][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.310903][  T469]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.311043][  T469]  __sys_sendmsg (net/socket.c:2784)
[   26.311170][  T469]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.311295][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.311453][  T469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.311580][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.311706][  T469]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.311837][  T469]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.311964][  T469]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.312096][  T469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.312252][  T469] RIP: 0033:0x7f967358f08e
[   26.312383][  T469] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.312837][  T469] RSP: 002b:00007ffc47f3bae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.313035][  T469] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f967358f08e
[   26.313224][  T469] RDX: 0000000000000000 RSI: 00007ffc47f3bb90 RDI: 0000000000000005
[   26.313411][  T469] RBP: 00007ffc47f3baf0 R08: 0000000000000000 R09: 0000000000000000
[   26.313599][  T469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.313789][  T469] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc47f3c260
| [   26.315062][  T469] ---[ end trace 0000000000000000 ]---
| [   26.320026][  T469] ------------[ cut here ]------------
| [   26.320170][  T469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/469
| [   26.320659][  T469] Tainted: [W]=WARN
[   26.320755][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.320923][  T469] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.321090][  T469] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.321544][  T469] RSP: 0018:ffa0000000ef7058 EFLAGS: 00010286
[   26.321705][  T469] RAX: 00000000ffffffa6 RBX: ff11000002927380 RCX: 1ff40000001dedd1
[   26.321903][  T469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000002927438
[   26.322105][  T469] RBP: ff1100000f821000 R08: 1fe2200000524e88 R09: ff1100000c198b58
[   26.322294][  T469] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000041
[   26.322481][  T469] R13: 0000000000000000 R14: 0000000000000000 R15: ffa0000000ef70f0
[   26.322670][  T469] FS:  00007f9673355840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.322900][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.323068][  T469] CR2: 00007fdcb224c574 CR3: 000000000b374005 CR4: 0000000000771ef0
[   26.323260][  T469] PKRU: 55555554
[   26.323354][  T469] Call Trace:
[   26.323449][  T469]  <TASK>
[   26.323514][  T469]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.323641][  T469]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.323771][  T469]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.323876][  T469]  netif_close_many (net/core/dev.c:1804)
[   26.324009][  T469]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.324164][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.324294][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.324421][  T469]  ? __dev_close_many (net/core/dev.c:1781)
[   26.324547][  T469]  ? netif_close_many_and_unlock (net/core/dev.c:12330)
[   26.324704][  T469]  unregister_netdevice_many_notify (net/core/dev.c:12406)
[   26.324869][  T469]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.324995][  T469]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.325155][  T469]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.325280][  T469]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.325405][  T469]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.325562][  T469]  ? unregister_netdevice_many (net/core/dev.c:12497)
[   26.325689][  T469]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.325823][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.325948][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.326079][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.326204][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.326343][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.326469][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.326593][  T469]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.326721][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.326850][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.326980][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.327112][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.327238][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.327363][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.327488][  T469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.327613][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.327739][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.327869][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.328000][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.328124][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.328249][  T469]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.328375][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.328501][  T469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.328628][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.328754][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.328885][  T469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.329015][  T469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.329141][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.329267][  T469]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.329394][  T469]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.329520][  T469]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.329648][  T469]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.329774][  T469]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.329914][  T469]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.330075][  T469]  ? move_addr_to_kernel (net/socket.c:258)
[   26.330201][  T469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.330327][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.330453][  T469]  ___sys_sendmsg (net/socket.c:2752)
[   26.330579][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.330735][  T469]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.330879][  T469]  __sys_sendmsg (net/socket.c:2784)
[   26.331009][  T469]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.331134][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.331292][  T469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.331417][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.331545][  T469]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.331669][  T469]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.331794][  T469]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.331925][  T469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.332089][  T469] RIP: 0033:0x7f967358f08e
[   26.332219][  T469] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.332668][  T469] RSP: 002b:00007ffc47f3bae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.332863][  T469] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f967358f08e
[   26.333056][  T469] RDX: 0000000000000000 RSI: 00007ffc47f3bb90 RDI: 0000000000000005
[   26.333242][  T469] RBP: 00007ffc47f3baf0 R08: 0000000000000000 R09: 0000000000000000
[   26.333430][  T469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.333616][  T469] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc47f3c260
| [   26.334877][  T469] ---[ end trace 0000000000000000 ]---
| [   26.336679][  T469] ------------[ cut here ]------------
| [   26.336837][  T469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/469
| [   26.337296][  T469] Tainted: [W]=WARN
[   26.337390][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.337544][  T469] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.337702][  T469] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.338158][  T469] RSP: 0018:ffa0000000ef7188 EFLAGS: 00010286
[   26.338316][  T469] RAX: 00000000ffffffa6 RBX: ff1100000f8dda80 RCX: 1ff40000001dedf7
[   26.338496][  T469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8ddb38
[   26.338677][  T469] RBP: ff1100000c98c000 R08: 1fe2200001f1bb68 R09: ff1100000c198b58
[   26.338862][  T469] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.339050][  T469] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.339233][  T469] FS:  00007f9673355840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.339448][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.339599][  T469] CR2: 00007fdcb224c574 CR3: 000000000b374005 CR4: 0000000000771ef0
[   26.339782][  T469] PKRU: 55555554
[   26.339878][  T469] Call Trace:
[   26.339970][  T469]  <TASK>
[   26.340039][  T469]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.340192][  T469]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.340342][  T469]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.340463][  T469]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.340587][  T469]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.340741][  T469]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.340870][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.340991][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.341119][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.341239][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.341374][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.341496][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.341616][  T469]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.341736][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.341866][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.341987][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.342113][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.342234][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.342356][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.342477][  T469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.342598][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.342724][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.342847][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.342971][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.343098][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.343220][  T469]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.343341][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.343467][  T469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.343592][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.343714][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.343843][  T469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.343965][  T469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.344091][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.344222][  T469]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.344347][  T469]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.344469][  T469]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.344591][  T469]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.344715][  T469]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.344842][  T469]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.344995][  T469]  ? move_addr_to_kernel (net/socket.c:258)
[   26.345122][  T469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.345244][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.345368][  T469]  ___sys_sendmsg (net/socket.c:2752)
[   26.345489][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.345643][  T469]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.345788][  T469]  __sys_sendmsg (net/socket.c:2784)
[   26.345918][  T469]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.346045][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.346213][  T469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.346340][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.346475][  T469]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.346601][  T469]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.346722][  T469]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.346847][  T469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.347001][  T469] RIP: 0033:0x7f967358f08e
[   26.347127][  T469] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.347559][  T469] RSP: 002b:00007ffc47f3bae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.347742][  T469] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f967358f08e
[   26.347931][  T469] RDX: 0000000000000000 RSI: 00007ffc47f3bb90 RDI: 0000000000000005
[   26.348119][  T469] RBP: 00007ffc47f3baf0 R08: 0000000000000000 R09: 0000000000000000
[   26.348301][  T469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.348483][  T469] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc47f3c260
| [   26.349704][  T469] ---[ end trace 0000000000000000 ]---
| [   26.351198][  T469] ------------[ cut here ]------------
| [   26.351326][  T469] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/469
| [   26.352587][  T469] Tainted: [W]=WARN
[   26.352683][  T469] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.352890][  T469] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.353053][  T469] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.353483][  T469] RSP: 0018:ffa0000000ef7188 EFLAGS: 00010286
[   26.353637][  T469] RAX: 00000000ffffffa6 RBX: ff1100000f8dc740 RCX: 1ff40000001dedf7
[   26.353868][  T469] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f8dc7f8
[   26.354054][  T469] RBP: ff1100000f821000 R08: 1fe2200001f1b900 R09: ff1100000c198b58
[   26.354235][  T469] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.354418][  T469] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.354602][  T469] FS:  00007f9673355840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.354865][  T469] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.355024][  T469] CR2: 00007fdcb224c574 CR3: 000000000b374005 CR4: 0000000000771ef0
[   26.355206][  T469] PKRU: 55555554
[   26.355298][  T469] Call Trace:
[   26.355389][  T469]  <TASK>
[   26.355451][  T469]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.355604][  T469]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.355754][  T469]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.355926][  T469]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.356052][  T469]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.356206][  T469]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.356330][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.356452][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.356576][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.356697][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.356882][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.357008][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.357130][  T469]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.357253][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.357378][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.357499][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.357622][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.357743][  T469]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.357918][  T469]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.358044][  T469]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.358175][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.358297][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.358419][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.358541][  T469]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.358662][  T469]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.358784][  T469]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.358956][  T469]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.359087][  T469]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.359215][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.359338][  T469]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.359461][  T469]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.359583][  T469]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.359709][  T469]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.359891][  T469]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.360068][  T469]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.360194][  T469]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.360316][  T469]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.360438][  T469]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.360560][  T469]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.360710][  T469]  ? move_addr_to_kernel (net/socket.c:258)
[   26.360888][  T469]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.361015][  T469]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.361139][  T469]  ___sys_sendmsg (net/socket.c:2752)
[   26.361260][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.361412][  T469]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.361543][  T469]  __sys_sendmsg (net/socket.c:2784)
[   26.361666][  T469]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.361787][  T469]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.361993][  T469]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.362119][  T469]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.362242][  T469]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.362366][  T469]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.362488][  T469]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.362611][  T469]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.362763][  T469] RIP: 0033:0x7f967358f08e
[   26.362944][  T469] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.363382][  T469] RSP: 002b:00007ffc47f3bae0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.363568][  T469] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f967358f08e
[   26.363751][  T469] RDX: 0000000000000000 RSI: 00007ffc47f3bb90 RDI: 0000000000000005
[   26.363984][  T469] RBP: 00007ffc47f3baf0 R08: 0000000000000000 R09: 0000000000000000
[   26.364171][  T469] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.364351][  T469] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc47f3c260
| [   26.365619][  T469] ---[ end trace 0000000000000000 ]---
| [   26.532274][  T477] ------------[ cut here ]------------
| [   26.532449][  T477] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/477
| [   26.532963][  T477] Tainted: [W]=WARN
[   26.533067][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.533232][  T477] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.533407][  T477] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.533880][  T477] RSP: 0018:ffa00000011f7150 EFLAGS: 00010286
[   26.534052][  T477] RAX: 00000000ffffffa6 RBX: ff1100000ba68200 RCX: 1ff400000023edf0
[   26.534249][  T477] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba682b8
[   26.534446][  T477] RBP: ff110000084b9000 R08: 1fe220000174d058 R09: ff1100000c9c8b58
[   26.534642][  T477] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   26.534846][  T477] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000094a5fc0
[   26.535050][  T477] FS:  00007f9b209d2840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.535284][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.535478][  T477] CR2: 00000000004ed050 CR3: 000000000c1c9005 CR4: 0000000000771ef0
[   26.535691][  T477] PKRU: 55555554
[   26.535792][  T477] Call Trace:
[   26.535897][  T477]  <TASK>
[   26.535965][  T477]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.536104][  T477]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.536238][  T477]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.536339][  T477]  netif_state_change (net/core/dev.c:1605)
[   26.536472][  T477]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   26.536605][  T477]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   26.536771][  T477]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   26.536911][  T477]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   26.537049][  T477]  linkwatch_sync_dev (net/core/link_watch.c:295)
[   26.537183][  T477]  rtnl_getlink (net/core/rtnetlink.c:4273)
[   26.537315][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.537448][  T477]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   26.537580][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.537712][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.538451][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.538591][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.538725][  T477]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.538863][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.539004][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.539138][  T477]  ? rtnl_dump_ifinfo (./include/net/netlink.h:1236)
[   26.539269][  T477]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.539401][  T477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.539533][  T477]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.539664][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.539799][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.539937][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.540075][  T477]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.540208][  T477]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.540341][  T477]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.540477][  T477]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.540610][  T477]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.540745][  T477]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.540885][  T477]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.541023][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.541157][  T477]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.541292][  T477]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.541426][  T477]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.541559][  T477]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.541692][  T477]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.541834][  T477]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.542004][  T477]  ? move_addr_to_kernel (net/socket.c:258)
[   26.542136][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.542270][  T477]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.542434][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.542566][  T477]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.542735][  T477]  ___sys_sendmsg (net/socket.c:2752)
[   26.542873][  T477]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.543010][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.543148][  T477]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   26.543279][  T477]  ? do_getsockname (net/socket.c:2192)
[   26.543412][  T477]  __sys_sendmsg (net/socket.c:2784)
[   26.543546][  T477]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.543682][  T477]  ? __sys_getsockname (net/socket.c:2210)
[   26.543819][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.543954][  T477]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.544091][  T477]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.544224][  T477]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.544356][  T477]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.544521][  T477] RIP: 0033:0x7f9b20c0c08e
[   26.544660][  T477] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.545144][  T477] RSP: 002b:00007fff4ac81180 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.545344][  T477] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f9b20c0c08e
[   26.545549][  T477] RDX: 0000000000000000 RSI: 00007fff4ac81230 RDI: 0000000000000006
[   26.545749][  T477] RBP: 00007fff4ac81190 R08: 0000000000000000 R09: 0000000000000000
[   26.545952][  T477] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.546154][  T477] R13: 00007fff4ac812e0 R14: 000000000049f620 R15: 0000000000000002
| [   26.547493][  T477] ---[ end trace 0000000000000000 ]---
| [   26.554229][  T477] ------------[ cut here ]------------
| [   26.554392][  T477] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ip/477
| [   26.554906][  T477] Tainted: [W]=WARN
[   26.555015][  T477] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.555183][  T477] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.555359][  T477] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.555845][  T477] RSP: 0018:ffa00000011f7020 EFLAGS: 00010286
[   26.556015][  T477] RAX: 00000000ffffffa6 RBX: ff1100000ba69540 RCX: 1ff400000023edca
[   26.556214][  T477] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba695f8
[   26.556414][  T477] RBP: ff110000084b9000 R08: 1fe220000174d2c0 R09: ff1100000c9c8b58
[   26.556615][  T477] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001
[   26.556819][  T477] R13: 0000000000000000 R14: 0000000000000000 R15: ff110000084b9ce1
[   26.557024][  T477] FS:  00007f9b209d2840(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.557258][  T477] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.557428][  T477] CR2: 00007f9b20ca21a0 CR3: 000000000c1c9005 CR4: 0000000000771ef0
[   26.557628][  T477] PKRU: 55555554
[   26.557729][  T477] Call Trace:
[   26.557835][  T477]  <TASK>
[   26.557905][  T477]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.558047][  T477]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.558149][  T477]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.558286][  T477]  __dev_notify_flags (net/core/dev.c:9787)
[   26.558423][  T477]  ? netif_change_name (net/core/dev.c:1495)
[   26.558558][  T477]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   26.558692][  T477]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.559436][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.559580][  T477]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   26.559718][  T477]  netif_change_flags (net/core/dev.c:9820)
[   26.559914][  T477]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.560057][  T477]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.560194][  T477]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.560365][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.560505][  T477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.560640][  T477]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.560774][  T477]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.560968][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.561109][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.561243][  T477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.561377][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.561512][  T477]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.561700][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.561889][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.562030][  T477]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.562167][  T477]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.562302][  T477]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.562436][  T477]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.562572][  T477]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.562708][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.562935][  T477]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.563079][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.563215][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.563350][  T477]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.563487][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.563622][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.563758][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.563952][  T477]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.564091][  T477]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.564225][  T477]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.564363][  T477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.564497][  T477]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.564632][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.564769][  T477]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.564958][  T477]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.565101][  T477]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.565237][  T477]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.565374][  T477]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.565514][  T477]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.565648][  T477]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.565785][  T477]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.565978][  T477]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.566118][  T477]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.566256][  T477]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.566394][  T477]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.566533][  T477]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.566669][  T477]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.566860][  T477]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.566995][  T477]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.567168][  T477]  ? move_addr_to_kernel (net/socket.c:258)
[   26.567303][  T477]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.567438][  T477]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.567575][  T477]  ___sys_sendmsg (net/socket.c:2752)
[   26.567710][  T477]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.567935][  T477]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.568084][  T477]  __sys_sendmsg (net/socket.c:2784)
[   26.568219][  T477]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.568353][  T477]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.568522][  T477]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.568659][  T477]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.568796][  T477]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.568989][  T477]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.569129][  T477]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.569264][  T477]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.569432][  T477] RIP: 0033:0x7f9b20c0c08e
[   26.569571][  T477] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.570112][  T477] RSP: 002b:00007fff4ac82790 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.570316][  T477] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f9b20c0c08e
[   26.570516][  T477] RDX: 0000000000000000 RSI: 00007fff4ac82840 RDI: 0000000000000005
[   26.570717][  T477] RBP: 00007fff4ac827a0 R08: 0000000000000000 R09: 0000000000000000
[   26.570972][  T477] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd21
[   26.571178][  T477] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff4ac82f10
| [   26.572576][  T477] ---[ end trace 0000000000000000 ]---
| [   26.620731][  T478] ------------[ cut here ]------------
| [   26.621012][  T478] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#2: ovpn-cli/478
| [   26.621609][  T478] Tainted: [W]=WARN
[   26.621751][  T478] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.621967][  T478] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.622185][  T478] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.622676][  T478] RSP: 0018:ffa0000001027188 EFLAGS: 00010286
[   26.622893][  T478] RAX: 00000000ffffffa6 RBX: ff1100000b87e200 RCX: 1ff4000000204df7
[   26.623135][  T478] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b87e2b8
[   26.623366][  T478] RBP: ff110000084b9000 R08: 1fe220000170fc58 R09: ff1100000f945158
[   26.623597][  T478] R10: 0000000000000002 R11: 0000000000000001 R12: 00000000ffffffff
[   26.623841][  T478] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.624086][  T478] FS:  00007fa51cd94ec0(0000) GS:ff11000076db0000(0000) knlGS:0000000000000000
[   26.624350][  T478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.624555][  T478] CR2: 00007fa51d0f5004 CR3: 0000000010e1c001 CR4: 0000000000771ef0
[   26.624792][  T478] PKRU: 55555554
[   26.624948][  T478] Call Trace:
[   26.625097][  T478]  <TASK>
[   26.625209][  T478]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.625417][  T478]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.625619][  T478]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.625793][  T478]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.626006][  T478]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.626237][  T478]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.626411][  T478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.626583][  T478]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.626757][  T478]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.626941][  T478]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.627137][  T478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.627307][  T478]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.627481][  T478]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.627652][  T478]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.627839][  T478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.628017][  T478]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.628192][  T478]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.628365][  T478]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.628541][  T478]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.628713][  T478]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.628897][  T478]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.629075][  T478]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.629246][  T478]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.629420][  T478]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.629593][  T478]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.629767][  T478]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.629949][  T478]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.630130][  T478]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.630308][  T478]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.630479][  T478]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.630657][  T478]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.630845][  T478]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.631025][  T478]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.631203][  T478]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.631377][  T478]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.631552][  T478]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.631727][  T478]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.631914][  T478]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.632094][  T478]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.632294][  T478]  ? move_addr_to_kernel (net/socket.c:258)
[   26.632463][  T478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.632636][  T478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.632852][  T478]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.633032][  T478]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.633236][  T478]  ___sys_sendmsg (net/socket.c:2752)
[   26.633408][  T478]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.633578][  T478]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.633756][  T478]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   26.633940][  T478]  ? do_getsockname (net/socket.c:2192)
[   26.634130][  T478]  __sys_sendmsg (net/socket.c:2784)
[   26.634307][  T478]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.634483][  T478]  ? __sys_getsockname (net/socket.c:2210)
[   26.634654][  T478]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.634839][  T478]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.635018][  T478]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.635191][  T478]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.635365][  T478]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.635572][  T478] RIP: 0033:0x7fa51ce4908e
[   26.635751][  T478] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.636258][  T478] RSP: 002b:00007ffdb83abba0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.636493][  T478] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa51ce4908e
[   26.636728][  T478] RDX: 0000000000000000 RSI: 00007ffdb83abc20 RDI: 0000000000000005
[   26.636972][  T478] RBP: 00007ffdb83abbb0 R08: 0000000000000000 R09: 0000000000000000
[   26.637216][  T478] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdb83b0328
[   26.637447][  T478] R13: 0000000000000003 R14: 00007fa51d135000 R15: 000000000040bda8
| [   26.639054][  T478] ---[ end trace 0000000000000000 ]---
| [   26.672083][   T12] ------------[ cut here ]------------
| [   26.672266][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   26.672865][   T12] Tainted: [W]=WARN
[   26.672966][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.673124][   T12] Workqueue: netns cleanup_net
[   26.673252][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.673453][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.673919][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   26.674078][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b87f700 RCX: 1ff4000000018eed
[   26.674257][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b87f7b8
[   26.674436][   T12] RBP: ff1100000890c000 R08: 1fe220000170fef8 R09: ff11000001b0d1d0
[   26.674614][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.674810][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.674990][   T12] FS:  0000000000000000(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   26.675203][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.675353][   T12] CR2: 00007f9b20a9f574 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   26.675531][   T12] PKRU: 55555554
[   26.675621][   T12] Call Trace:
[   26.675709][   T12]  <TASK>
[   26.675771][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.675980][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.676155][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   26.676278][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   26.676399][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.676520][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   26.676641][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.676762][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   26.676891][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   26.677016][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.677138][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   26.677260][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.677379][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.677503][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.677625][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.677747][   T12]  process_one_work (kernel/workqueue.c:3314)
[   26.677878][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.678001][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.678125][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.678249][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.678371][   T12]  kthread (kernel/kthread.c:436)
[   26.678462][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.678611][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.678733][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.678861][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.679021][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.679142][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.679263][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.680416][   T12] ---[ end trace 0000000000000000 ]---
| [   26.689483][   T12] ------------[ cut here ]------------
| [   26.689634][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/12
| [   26.690173][   T12] Tainted: [W]=WARN
[   26.690270][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.690424][   T12] Workqueue: netns cleanup_net
[   26.690554][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.690712][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.691174][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   26.691329][   T12] RAX: 00000000ffffffa6 RBX: ff110000094971c0 RCX: 1ff4000000018ed5
[   26.691511][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009497278
[   26.691696][   T12] RBP: ff11000008974000 R08: 1fe2200001292e50 R09: ff11000001b0d1d0
[   26.691884][   T12] R10: 0000000000000001 R11: 0000000000000001 R12: 00000000ffffffff
[   26.692070][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.692256][   T12] FS:  0000000000000000(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   26.692468][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.692620][   T12] CR2: 00007f9b20a9f574 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   26.692810][   T12] PKRU: 55555554
[   26.692910][   T12] Call Trace:
[   26.693008][   T12]  <TASK>
[   26.693077][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.693238][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.693393][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.693519][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   26.693643][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   26.693767][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.693902][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   26.694029][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   26.694151][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.694276][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   26.694401][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.694523][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.694645][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.694769][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.694900][   T12]  process_one_work (kernel/workqueue.c:3314)
[   26.695030][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.695154][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.695280][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.695407][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.695530][   T12]  kthread (kernel/kthread.c:436)
[   26.695623][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.695777][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.695931][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.696058][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.696211][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.696335][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.696458][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.697664][   T12] ---[ end trace 0000000000000000 ]---
| [   26.708337][  T480] ------------[ cut here ]------------
| [   26.708494][  T480] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/480
| [   26.709083][  T480] Tainted: [W]=WARN
[   26.709186][  T480] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.709352][  T480] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.709526][  T480] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.710087][  T480] RSP: 0018:ffa0000001207020 EFLAGS: 00010286
[   26.710255][  T480] RAX: 00000000ffffffa6 RBX: ff11000009496200 RCX: 1ff4000000240dca
[   26.710528][  T480] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000094962b8
[   26.710724][  T480] RBP: ff1100000cafc000 R08: 1fe2200001292c58 R09: ff1100000f940b58
[   26.710996][  T480] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   26.711197][  T480] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000cafcce1
[   26.711397][  T480] FS:  00007fb1688e5840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   26.711630][  T480] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.711795][  T480] CR2: 00000000089c8988 CR3: 000000000c1f3006 CR4: 0000000000771ef0
[   26.712090][  T480] PKRU: 55555554
[   26.712189][  T480] Call Trace:
[   26.712289][  T480]  <TASK>
[   26.712357][  T480]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.712492][  T480]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.712667][  T480]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.712800][  T480]  __dev_notify_flags (net/core/dev.c:9787)
[   26.713011][  T480]  ? netif_change_name (net/core/dev.c:1495)
[   26.713144][  T480]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   26.713276][  T480]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.713409][  T480]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.713542][  T480]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   26.713678][  T480]  netif_change_flags (net/core/dev.c:9820)
[   26.713852][  T480]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.713987][  T480]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.714126][  T480]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.714290][  T480]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.714423][  T480]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.714553][  T480]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.714685][  T480]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.714822][  T480]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.714958][  T480]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.715096][  T480]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.715229][  T480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.715364][  T480]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.715496][  T480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.715628][  T480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.715760][  T480]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.715899][  T480]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.716036][  T480]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.716170][  T480]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.716303][  T480]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.716439][  T480]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.716584][  T480]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.716718][  T480]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.716853][  T480]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.716986][  T480]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.717127][  T480]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.717260][  T480]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.717392][  T480]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.717527][  T480]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.717661][  T480]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.717795][  T480]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.717932][  T480]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.718069][  T480]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.718200][  T480]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.718333][  T480]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.718464][  T480]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.718598][  T480]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.718731][  T480]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.718928][  T480]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.719068][  T480]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.719202][  T480]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.719335][  T480]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.719468][  T480]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.719602][  T480]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.719734][  T480]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.719927][  T480]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.720065][  T480]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.720198][  T480]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.720330][  T480]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.720464][  T480]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.720629][  T480]  ? move_addr_to_kernel (net/socket.c:258)
[   26.720763][  T480]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.720959][  T480]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.721098][  T480]  ___sys_sendmsg (net/socket.c:2752)
[   26.721229][  T480]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.721392][  T480]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.721535][  T480]  __sys_sendmsg (net/socket.c:2784)
[   26.721667][  T480]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.721800][  T480]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.722115][  T480]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.722249][  T480]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.722382][  T480]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.722516][  T480]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.722649][  T480]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.722782][  T480]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.723033][  T480] RIP: 0033:0x7fb168b1f08e
[   26.723171][  T480] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.723641][  T480] RSP: 002b:00007ffc43770c80 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.723854][  T480] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fb168b1f08e
[   26.724058][  T480] RDX: 0000000000000000 RSI: 00007ffc43770d30 RDI: 0000000000000005
[   26.724255][  T480] RBP: 00007ffc43770c90 R08: 0000000000000000 R09: 0000000000000000
[   26.724454][  T480] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd22
[   26.724651][  T480] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffc43771400
| [   26.725978][  T480] ---[ end trace 0000000000000000 ]---
| [   26.737013][   T37] ------------[ cut here ]------------
| [   26.737161][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [   26.737680][   T37] Tainted: [W]=WARN
[   26.737772][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.738333][   T37] Workqueue: events_unbound linkwatch_event
[   26.738495][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.738655][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.739102][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[   26.739257][   T37] RAX: 00000000ffffffa6 RBX: ff1100000c70c580 RCX: 1ff4000000053f02
[   26.739441][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c70c638
[   26.739623][   T37] RBP: ff11000008a09000 R08: 1fe22000018e18c8 R09: ff11000001d90ba8
[   26.739811][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   26.739995][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.740191][   T37] FS:  0000000000000000(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   26.740406][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.740560][   T37] CR2: 00007f9b20a9f574 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   26.740743][   T37] PKRU: 55555554
[   26.740841][   T37] Call Trace:
[   26.740933][   T37]  <TASK>
[   26.741003][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.741128][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.741251][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.741345][   T37]  netif_state_change (net/core/dev.c:1605)
[   26.741467][   T37]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   26.741596][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   26.741750][   T37]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   26.741876][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   26.742003][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   26.742127][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.742253][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   26.742375][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   26.742501][   T37]  process_one_work (kernel/workqueue.c:3314)
[   26.742627][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.742749][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.742880][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.743012][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.743136][   T37]  kthread (kernel/kthread.c:436)
[   26.743229][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.743382][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.743506][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.743629][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.743782][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.743911][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.744037][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.745212][   T37] ---[ end trace 0000000000000000 ]---
| [   26.745514][   T37] ------------[ cut here ]------------
| [   26.745634][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [   26.746161][   T37] Tainted: [W]=WARN
[   26.746253][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.746406][   T37] Workqueue: events_unbound linkwatch_event
[   26.746563][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.746723][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.747218][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[   26.747375][   T37] RAX: 00000000ffffffa6 RBX: ff1100000c70cac0 RCX: 1ff4000000053f02
[   26.747559][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c70cb78
[   26.747745][   T37] RBP: ff11000005c79000 R08: 1fe22000018e1970 R09: ff11000001d90ba8
[   26.747943][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   26.748136][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.748329][   T37] FS:  0000000000000000(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   26.748546][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.748701][   T37] CR2: 00007f9b20a9f574 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   26.748890][   T37] PKRU: 55555554
[   26.748982][   T37] Call Trace:
[   26.749078][   T37]  <TASK>
[   26.749142][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.749266][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.749390][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.749484][   T37]  netif_state_change (net/core/dev.c:1605)
[   26.749606][   T37]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   26.749731][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   26.749892][   T37]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   26.750019][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   26.750143][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   26.750268][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.750393][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   26.750568][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   26.750710][   T37]  process_one_work (kernel/workqueue.c:3314)
[   26.750851][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.750974][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.751106][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.751233][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.751357][   T37]  kthread (kernel/kthread.c:436)
[   26.751450][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.751603][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.751727][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.751859][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.752026][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.752149][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.752274][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.753449][   T37] ---[ end trace 0000000000000000 ]---
| [   26.753795][   T37] ------------[ cut here ]------------
| [   26.753932][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: 0/37
| [   26.754456][   T37] Tainted: [W]=WARN
[   26.754548][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.754702][   T37] Workqueue: events_unbound linkwatch_event
[   26.755316][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.755480][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.755972][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[   26.756129][   T37] RAX: 00000000ffffffa6 RBX: ff1100000c70c040 RCX: 1ff4000000053f02
[   26.756312][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c70c0f8
[   26.756495][   T37] RBP: ff11000002839000 R08: 1fe22000018e1820 R09: ff11000001d90ba8
[   26.756680][   T37] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000000
[   26.756914][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.757103][   T37] FS:  0000000000000000(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   26.757317][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.757570][   T37] CR2: 00007f9b20a9f574 CR3: 0000000037f49001 CR4: 0000000000771ef0
[   26.757772][   T37] PKRU: 55555554
[   26.757921][   T37] Call Trace:
[   26.758020][   T37]  <TASK>
[   26.758085][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.758209][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.758333][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.758427][   T37]  netif_state_change (net/core/dev.c:1605)
[   26.758549][   T37]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   26.758672][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   26.758876][   T37]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   26.759008][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   26.759132][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   26.759255][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.759384][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   26.759511][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   26.759682][   T37]  process_one_work (kernel/workqueue.c:3314)
[   26.759856][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.759980][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.760112][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.760237][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.760359][   T37]  kthread (kernel/kthread.c:436)
[   26.760452][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.760607][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.760731][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.760903][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.761064][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.761186][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.761308][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.762512][   T37] ---[ end trace 0000000000000000 ]---
| [   26.762862][   T37] ------------[ cut here ]------------
| [   26.762993][   T37] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/37
| [   26.763530][   T37] Tainted: [W]=WARN
[   26.763625][   T37] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.763781][   T37] Workqueue: events_unbound linkwatch_event
[   26.763951][   T37] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.764118][   T37] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.764559][   T37] RSP: 0018:ffa000000029f9e0 EFLAGS: 00010286
[   26.764714][   T37] RAX: 00000000ffffffa6 RBX: ff1100000c70ce40 RCX: 1ff4000000053f02
[   26.764926][   T37] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c70cef8
[   26.765115][   T37] RBP: ff1100000d7cc000 R08: 1fe22000018e19e0 R09: ff11000001d90ba8
[   26.765298][   T37] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
[   26.765482][   T37] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.765672][   T37] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.765902][   T37] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.766068][   T37] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   26.766256][   T37] PKRU: 55555554
[   26.766350][   T37] Call Trace:
[   26.766443][   T37]  <TASK>
[   26.766510][   T37]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.766636][   T37]  ? notifier_call_chain (kernel/notifier.c:85)
[   26.766761][   T37]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.766861][   T37]  netif_state_change (net/core/dev.c:1605)
[   26.766985][   T37]  ? dev_deactivate (net/sched/sch_generic.c:1400)
[   26.767115][   T37]  ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[   26.767271][   T37]  ? rfc2863_policy (net/core/link_watch.c:52 net/core/link_watch.c:76)
[   26.767395][   T37]  ? linkwatch_do_dev (net/core/link_watch.c:184 net/core/link_watch.c:166)
[   26.767519][   T37]  __linkwatch_run_queue (net/core/link_watch.c:240)
[   26.767642][   T37]  ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.767769][   T37]  linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[   26.767905][   T37]  ? __linkwatch_run_queue (./include/linux/list.h:561)
[   26.768036][   T37]  process_one_work (kernel/workqueue.c:3314)
[   26.768165][   T37]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.768291][   T37]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.768421][   T37]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.768550][   T37]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.768674][   T37]  kthread (kernel/kthread.c:436)
[   26.768769][   T37]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.768935][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.769074][   T37]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.769199][   T37]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.769357][   T37]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.769481][   T37]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.769605][   T37]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.770787][   T37] ---[ end trace 0000000000000000 ]---
| [   26.803774][  T481] ------------[ cut here ]------------
| [   26.804602][  T481] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/481
| [   26.805178][  T481] Tainted: [W]=WARN
[   26.805274][  T481] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.805502][  T481] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.805665][  T481] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.806166][  T481] RSP: 0018:ffa0000001157188 EFLAGS: 00010286
[   26.806326][  T481] RAX: 00000000ffffffa6 RBX: ff1100000c61d380 RCX: 1ff400000022adf7
[   26.806515][  T481] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c61d438
[   26.806703][  T481] RBP: ff1100000cafc000 R08: 1fe22000018c3a88 R09: ff1100000ff00b58
[   26.806897][  T481] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.807089][  T481] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.807276][  T481] FS:  00007fc2e43ddec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   26.807497][  T481] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.807655][  T481] CR2: 00007fc2e473e004 CR3: 000000000fcb3004 CR4: 0000000000771ef0
[   26.807848][  T481] PKRU: 55555554
[   26.807943][  T481] Call Trace:
[   26.808042][  T481]  <TASK>
[   26.808107][  T481]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.808265][  T481]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.808422][  T481]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.808548][  T481]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.808674][  T481]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.808838][  T481]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.808964][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.809092][  T481]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.809218][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.809343][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.809481][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.809605][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.809730][  T481]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.809859][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.809987][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.810117][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.810242][  T481]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.810369][  T481]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.810496][  T481]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.810621][  T481]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.810746][  T481]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.810878][  T481]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.811008][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.811136][  T481]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.811260][  T481]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.811388][  T481]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.811513][  T481]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.811638][  T481]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.811766][  T481]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.811896][  T481]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.812028][  T481]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.812156][  T481]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.812284][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.812409][  T481]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.812537][  T481]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.812663][  T481]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.812791][  T481]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.812919][  T481]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.813049][  T481]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.813205][  T481]  ? move_addr_to_kernel (net/socket.c:258)
[   26.813330][  T481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.813457][  T481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.813613][  T481]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.813739][  T481]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.813901][  T481]  ___sys_sendmsg (net/socket.c:2752)
[   26.814030][  T481]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.814158][  T481]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.814290][  T481]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   26.814417][  T481]  ? do_getsockname (net/socket.c:2192)
[   26.814544][  T481]  __sys_sendmsg (net/socket.c:2784)
[   26.814670][  T481]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.814837][  T481]  ? __sys_getsockname (net/socket.c:2210)
[   26.814964][  T481]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.815098][  T481]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.815226][  T481]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.815355][  T481]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.815481][  T481]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.815637][  T481] RIP: 0033:0x7fc2e449208e
[   26.815767][  T481] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.816225][  T481] RSP: 002b:00007ffe4f1a6dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.816415][  T481] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fc2e449208e
[   26.816602][  T481] RDX: 0000000000000000 RSI: 00007ffe4f1a6e50 RDI: 0000000000000005
[   26.816788][  T481] RBP: 00007ffe4f1a6de0 R08: 0000000000000000 R09: 0000000000000000
[   26.816982][  T481] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe4f1ab558
[   26.817175][  T481] R13: 0000000000000003 R14: 00007fc2e477e000 R15: 000000000040bda8
| [   26.818435][  T481] ---[ end trace 0000000000000000 ]---
| [   26.856338][   T12] ------------[ cut here ]------------
| [   26.856482][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   26.857016][   T12] Tainted: [W]=WARN
[   26.857109][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.857260][   T12] Workqueue: netns cleanup_net
[   26.857387][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.857544][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.857986][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   26.858147][   T12] RAX: 00000000ffffffa6 RBX: ff1100000c61c900 RCX: 1ff4000000018eed
[   26.858327][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c61c9b8
[   26.858507][   T12] RBP: ff11000001dc4000 R08: 1fe22000018c3938 R09: ff11000001b0d1d0
[   26.858689][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.858875][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.859064][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.859275][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.859427][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   26.859609][   T12] PKRU: 55555554
[   26.859700][   T12] Call Trace:
[   26.859790][   T12]  <TASK>
[   26.859862][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.860017][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.860169][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   26.860290][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   26.860413][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.860534][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   26.860658][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.860783][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   26.860912][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   26.861038][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.861164][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   26.861287][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.861408][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.861530][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.861651][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.861776][   T12]  process_one_work (kernel/workqueue.c:3314)
[   26.861907][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.862033][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.862158][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.862284][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.862405][   T12]  kthread (kernel/kthread.c:436)
[   26.862496][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.862650][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.862772][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.862900][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.863058][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.863180][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.863303][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.864470][   T12] ---[ end trace 0000000000000000 ]---
| [   26.875622][   T12] ------------[ cut here ]------------
| [   26.875761][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   26.876337][   T12] Tainted: [W]=WARN
[   26.876432][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.876590][   T12] Workqueue: netns cleanup_net
[   26.876719][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.876883][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.877323][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   26.877479][   T12] RAX: 00000000ffffffa6 RBX: ff1100000cb9eac0 RCX: 1ff4000000018ed5
[   26.877661][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cb9eb78
[   26.877848][   T12] RBP: ff11000007591000 R08: 1fe2200001973d70 R09: ff11000001b0d1d0
[   26.878035][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   26.878223][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.878408][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   26.878621][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.878776][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   26.878968][   T12] PKRU: 55555554
[   26.879066][   T12] Call Trace:
[   26.879157][   T12]  <TASK>
[   26.879221][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.879379][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.879533][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.879680][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   26.879813][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   26.879938][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   26.880069][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   26.880194][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   26.880316][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.880441][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   26.880566][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   26.880689][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   26.880817][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.880942][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.881071][   T12]  process_one_work (kernel/workqueue.c:3314)
[   26.881197][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   26.881321][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.881449][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   26.881575][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   26.881697][   T12]  kthread (kernel/kthread.c:436)
[   26.881791][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   26.881956][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.882085][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   26.882208][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   26.882364][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   26.882487][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   26.882612][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   26.883779][   T12] ---[ end trace 0000000000000000 ]---
| [   26.893603][  T483] ------------[ cut here ]------------
| [   26.893764][  T483] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/483
| [   26.894286][  T483] Tainted: [W]=WARN
[   26.894386][  T483] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.894552][  T483] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.894724][  T483] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.895206][  T483] RSP: 0018:ffa0000001207020 EFLAGS: 00010286
[   26.895372][  T483] RAX: 00000000ffffffa6 RBX: ff1100000cb9f540 RCX: 1ff4000000240dca
[   26.895568][  T483] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000cb9f5f8
[   26.895771][  T483] RBP: ff11000005c79000 R08: 1fe2200001973ec0 R09: ff1100000ff05158
[   26.896070][  T483] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   26.896268][  T483] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000005c79ce1
[   26.896465][  T483] FS:  00007efc48132840(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   26.896696][  T483] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.896934][  T483] CR2: 00007efc484021a0 CR3: 000000000fcb2003 CR4: 0000000000771ef0
[   26.897136][  T483] PKRU: 55555554
[   26.897236][  T483] Call Trace:
[   26.897334][  T483]  <TASK>
[   26.897403][  T483]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   26.897539][  T483]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   26.897640][  T483]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   26.897771][  T483]  __dev_notify_flags (net/core/dev.c:9787)
[   26.897982][  T483]  ? netif_change_name (net/core/dev.c:1495)
[   26.898119][  T483]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   26.898255][  T483]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   26.898387][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.898519][  T483]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   26.898654][  T483]  netif_change_flags (net/core/dev.c:9820)
[   26.898787][  T483]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   26.898997][  T483]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   26.899136][  T483]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.899301][  T483]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.899433][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.899563][  T483]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   26.899695][  T483]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.899908][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.900047][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.900178][  T483]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.900309][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.900442][  T483]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   26.900575][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.900705][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.900902][  T483]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   26.901043][  T483]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   26.901176][  T483]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   26.901308][  T483]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   26.901442][  T483]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   26.901576][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   26.901711][  T483]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   26.901918][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.902057][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.902191][  T483]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.902324][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.902456][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.902589][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.902721][  T483]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.902927][  T483]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   26.903064][  T483]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.903197][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.903329][  T483]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.903460][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.903593][  T483]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.903723][  T483]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.903920][  T483]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.904054][  T483]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.904186][  T483]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.904321][  T483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.904453][  T483]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.904586][  T483]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.904717][  T483]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.904933][  T483]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.905071][  T483]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.905204][  T483]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.905336][  T483]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.905471][  T483]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.905604][  T483]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.905736][  T483]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.905905][  T483]  ? move_addr_to_kernel (net/socket.c:258)
[   26.906043][  T483]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   26.906175][  T483]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.906308][  T483]  ___sys_sendmsg (net/socket.c:2752)
[   26.906442][  T483]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   26.906606][  T483]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.906749][  T483]  __sys_sendmsg (net/socket.c:2784)
[   26.906885][  T483]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.907022][  T483]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   26.907189][  T483]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   26.907322][  T483]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.907457][  T483]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.907591][  T483]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.907722][  T483]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.907862][  T483]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.908031][  T483] RIP: 0033:0x7efc4836c08e
[   26.908169][  T483] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.908638][  T483] RSP: 002b:00007ffd783db170 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.908843][  T483] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007efc4836c08e
[   26.909044][  T483] RDX: 0000000000000000 RSI: 00007ffd783db220 RDI: 0000000000000005
[   26.909240][  T483] RBP: 00007ffd783db180 R08: 0000000000000000 R09: 0000000000000000
[   26.909438][  T483] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd22
[   26.909636][  T483] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffd783db8f0
| [   26.910970][  T483] ---[ end trace 0000000000000000 ]---
| [   26.955088][  T484] ------------[ cut here ]------------
| [   26.955238][  T484] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/484
| [   26.955741][  T484] Tainted: [W]=WARN
[   26.955843][  T484] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   26.956004][  T484] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   26.956166][  T484] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   26.956603][  T484] RSP: 0018:ffa0000001217188 EFLAGS: 00010286
[   26.956760][  T484] RAX: 00000000ffffffa6 RBX: ff1100000d6d3700 RCX: 1ff4000000242df7
[   26.956952][  T484] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d6d37b8
[   26.957147][  T484] RBP: ff11000005c79000 R08: 1fe2200001ada6f8 R09: ff11000009e3d158
[   26.957334][  T484] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   26.957523][  T484] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   26.957708][  T484] FS:  00007f09cee8bec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   26.957932][  T484] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   26.958096][  T484] CR2: 00007f09cf1ec004 CR3: 000000000218a004 CR4: 0000000000771ef0
[   26.958283][  T484] PKRU: 55555554
[   26.958377][  T484] Call Trace:
[   26.958469][  T484]  <TASK>
[   26.958533][  T484]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   26.958691][  T484]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   26.958850][  T484]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   26.958975][  T484]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   26.959104][  T484]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   26.959267][  T484]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   26.959394][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.959517][  T484]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.959641][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.959764][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.959908][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.960037][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.960162][  T484]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   26.960286][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.960412][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.960535][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.960657][  T484]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.960781][  T484]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   26.961490][  T484]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   26.961622][  T484]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   26.961748][  T484]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   26.961877][  T484]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.962005][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.962132][  T484]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   26.962255][  T484]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   26.962381][  T484]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   26.962506][  T484]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   26.962631][  T484]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   26.962757][  T484]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   26.962886][  T484]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   26.963023][  T484]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   26.963148][  T484]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   26.963273][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.963399][  T484]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   26.963524][  T484]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   26.963648][  T484]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   26.963774][  T484]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   26.963904][  T484]  ? copy_msghdr_from_user (net/socket.c:2635)
[   26.964036][  T484]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   26.964191][  T484]  ? move_addr_to_kernel (net/socket.c:258)
[   26.964316][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.964441][  T484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.964595][  T484]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   26.964719][  T484]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   26.964878][  T484]  ___sys_sendmsg (net/socket.c:2752)
[   26.965008][  T484]  ? copy_msghdr_from_user (net/socket.c:2603)
[   26.965135][  T484]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   26.965266][  T484]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   26.965390][  T484]  ? do_getsockname (net/socket.c:2192)
[   26.965515][  T484]  __sys_sendmsg (net/socket.c:2784)
[   26.965639][  T484]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   26.965765][  T484]  ? __sys_getsockname (net/socket.c:2210)
[   26.965895][  T484]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   26.966024][  T484]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   26.966150][  T484]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   26.966276][  T484]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   26.966400][  T484]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   26.966553][  T484] RIP: 0033:0x7f09cef4008e
[   26.966683][  T484] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   26.967136][  T484] RSP: 002b:00007fffb6fc8280 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   26.967325][  T484] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f09cef4008e
[   26.967512][  T484] RDX: 0000000000000000 RSI: 00007fffb6fc8300 RDI: 0000000000000005
[   26.967697][  T484] RBP: 00007fffb6fc8290 R08: 0000000000000000 R09: 0000000000000000
[   26.967891][  T484] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffb6fcca08
[   26.968082][  T484] R13: 0000000000000003 R14: 00007f09cf22c000 R15: 000000000040bda8
| [   26.969332][  T484] ---[ end trace 0000000000000000 ]---
| [   27.007603][   T12] ------------[ cut here ]------------
| [   27.007750][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.008280][   T12] Tainted: [W]=WARN
[   27.008377][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.008530][   T12] Workqueue: netns cleanup_net
[   27.008658][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.008821][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.009260][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.009420][   T12] RAX: 00000000ffffffa6 RBX: ff1100000d6d3540 RCX: 1ff4000000018eed
[   27.009604][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000d6d35f8
[   27.009791][   T12] RBP: ff11000007bf1000 R08: 1fe2200001ada6c0 R09: ff11000001b0d1d0
[   27.009981][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.010169][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.010354][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.010573][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.010729][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   27.010918][   T12] PKRU: 55555554
[   27.011014][   T12] Call Trace:
[   27.011106][   T12]  <TASK>
[   27.011169][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.011323][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.011477][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.011616][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.011740][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.011868][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.011992][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.012118][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.012240][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.012363][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.012491][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.012613][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.012736][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.012864][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.012987][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.013117][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.013243][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.013367][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.013494][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.013620][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.013741][   T12]  kthread (kernel/kthread.c:436)
[   27.013841][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.013994][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.014123][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.014252][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.014410][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.014533][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.014656][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.015825][   T12] ---[ end trace 0000000000000000 ]---
| [   27.028871][   T12] ------------[ cut here ]------------
| [   27.029014][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.029538][   T12] Tainted: [W]=WARN
[   27.029632][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.029788][   T12] Workqueue: netns cleanup_net
[   27.029959][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.030126][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.030567][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.030730][   T12] RAX: 00000000ffffffa6 RBX: ff11000009814740 RCX: 1ff4000000018ed5
[   27.030931][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000098147f8
[   27.031119][   T12] RBP: ff11000002504000 R08: 1fe2200001302900 R09: ff11000001b0d1d0
[   27.031311][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.031497][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.031683][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.031909][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.032069][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   27.032258][   T12] PKRU: 55555554
[   27.032350][   T12] Call Trace:
[   27.032447][   T12]  <TASK>
[   27.032512][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.032672][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.032835][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.032962][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.033092][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.033220][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.033347][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.033473][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.033598][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.033724][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.033853][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.033978][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.034108][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.034231][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.034357][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.034485][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.034616][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.034746][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.034883][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.035012][   T12]  kthread (kernel/kthread.c:436)
[   27.035107][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.035262][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.035391][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.035519][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.035674][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.035797][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.035933][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.037127][   T12] ---[ end trace 0000000000000000 ]---
| [   27.041646][  T486] ------------[ cut here ]------------
| [   27.041800][  T486] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#1: ip/486
| [   27.042324][  T486] Tainted: [W]=WARN
[   27.042425][  T486] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.042589][  T486] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.042762][  T486] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.043307][  T486] RSP: 0018:ffa0000001237020 EFLAGS: 00010286
[   27.043478][  T486] RAX: 00000000ffffffa6 RBX: ff110000098158c0 RCX: 1ff4000000246dca
[   27.043673][  T486] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009815978
[   27.043961][  T486] RBP: ff11000002839000 R08: 1fe2200001302b30 R09: ff1100000c648b58
[   27.044165][  T486] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000001
[   27.044362][  T486] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000002839ce1
[   27.044560][  T486] FS:  00007f9302501840(0000) GS:ff11000076d30000(0000) knlGS:0000000000000000
[   27.044789][  T486] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.045027][  T486] CR2: 00007f93027d11a0 CR3: 000000000c62e005 CR4: 0000000000771ef0
[   27.045228][  T486] PKRU: 55555554
[   27.045328][  T486] Call Trace:
[   27.045426][  T486]  <TASK>
[   27.045494][  T486]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.045628][  T486]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.045729][  T486]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.045940][  T486]  __dev_notify_flags (net/core/dev.c:9787)
[   27.046078][  T486]  ? netif_change_name (net/core/dev.c:1495)
[   27.046211][  T486]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.046343][  T486]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.046476][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.046608][  T486]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.046742][  T486]  netif_change_flags (net/core/dev.c:9820)
[   27.046942][  T486]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.047084][  T486]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.047217][  T486]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.047381][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.047512][  T486]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.047645][  T486]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.047777][  T486]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.047996][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.048135][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.048267][  T486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.048400][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.048535][  T486]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.048667][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.048800][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.049001][  T486]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.049133][  T486]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.049265][  T486]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.049397][  T486]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.049531][  T486]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.049666][  T486]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.049887][  T486]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.050027][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.050160][  T486]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.050291][  T486]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.050425][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.050557][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.050693][  T486]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.050891][  T486]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.051029][  T486]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.051162][  T486]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.051295][  T486]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.051427][  T486]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.051557][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.051689][  T486]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.051895][  T486]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.052036][  T486]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.052169][  T486]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.052301][  T486]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.052438][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.052569][  T486]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.052703][  T486]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.052903][  T486]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.053039][  T486]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.053172][  T486]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.053306][  T486]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.053442][  T486]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.053577][  T486]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.053712][  T486]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.053930][  T486]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.054101][  T486]  ? move_addr_to_kernel (net/socket.c:258)
[   27.054233][  T486]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.054367][  T486]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.054502][  T486]  ___sys_sendmsg (net/socket.c:2752)
[   27.054636][  T486]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.054802][  T486]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.055009][  T486]  __sys_sendmsg (net/socket.c:2784)
[   27.055142][  T486]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.055277][  T486]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.055444][  T486]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.055578][  T486]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.055712][  T486]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.055918][  T486]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.056057][  T486]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.056190][  T486]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.056355][  T486] RIP: 0033:0x7f930273b08e
[   27.056493][  T486] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.057040][  T486] RSP: 002b:00007fffbd6a2990 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.057242][  T486] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f930273b08e
[   27.057440][  T486] RDX: 0000000000000000 RSI: 00007fffbd6a2a40 RDI: 0000000000000005
[   27.057639][  T486] RBP: 00007fffbd6a29a0 R08: 0000000000000000 R09: 0000000000000000
[   27.057927][  T486] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd22
[   27.058131][  T486] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffbd6a3110
| [   27.059524][  T486] ---[ end trace 0000000000000000 ]---
| [   27.108870][  T487] ------------[ cut here ]------------
| [   27.109033][  T487] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/487
| [   27.109546][  T487] Tainted: [W]=WARN
[   27.109641][  T487] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.109798][  T487] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.110524][  T487] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.110991][  T487] RSP: 0018:ffa0000001237188 EFLAGS: 00010286
[   27.111158][  T487] RAX: 00000000ffffffa6 RBX: ff110000107e2900 RCX: 1ff4000000246df7
[   27.111347][  T487] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000107e29b8
[   27.111537][  T487] RBP: ff11000002839000 R08: 1fe22000020fc538 R09: ff1100000ba10b58
[   27.111723][  T487] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.111917][  T487] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.112107][  T487] FS:  00007fe5c4431ec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   27.112330][  T487] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.112491][  T487] CR2: 00007fe5c4792004 CR3: 000000000c9d3006 CR4: 0000000000771ef0
[   27.112683][  T487] PKRU: 55555554
[   27.112778][  T487] Call Trace:
[   27.112878][  T487]  <TASK>
[   27.112944][  T487]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.113109][  T487]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.113267][  T487]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.113394][  T487]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.113520][  T487]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.113679][  T487]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.113811][  T487]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.113938][  T487]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.114070][  T487]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.114199][  T487]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.114340][  T487]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.114466][  T487]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.114592][  T487]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.114717][  T487]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.114849][  T487]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.114976][  T487]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.115104][  T487]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.115231][  T487]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.115360][  T487]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.115488][  T487]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.115615][  T487]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.115742][  T487]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.115873][  T487]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.116005][  T487]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.116132][  T487]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.116260][  T487]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.116386][  T487]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.116513][  T487]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.116643][  T487]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.116768][  T487]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.116902][  T487]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.117035][  T487]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.117164][  T487]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.117291][  T487]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.117419][  T487]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.117546][  T487]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.117673][  T487]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.117800][  T487]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.117933][  T487]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.118094][  T487]  ? move_addr_to_kernel (net/socket.c:258)
[   27.118220][  T487]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.118349][  T487]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.118508][  T487]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.118633][  T487]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.118792][  T487]  ___sys_sendmsg (net/socket.c:2752)
[   27.118924][  T487]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.119057][  T487]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.119191][  T487]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   27.119316][  T487]  ? do_getsockname (net/socket.c:2192)
[   27.119444][  T487]  __sys_sendmsg (net/socket.c:2784)
[   27.119571][  T487]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.119700][  T487]  ? __sys_getsockname (net/socket.c:2210)
[   27.119839][  T487]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.119967][  T487]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.120100][  T487]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.120228][  T487]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.120354][  T487]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.120512][  T487] RIP: 0033:0x7fe5c44e608e
[   27.120644][  T487] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.121107][  T487] RSP: 002b:00007ffdff6e4ff0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.121297][  T487] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fe5c44e608e
[   27.121486][  T487] RDX: 0000000000000000 RSI: 00007ffdff6e5070 RDI: 0000000000000005
[   27.121674][  T487] RBP: 00007ffdff6e5000 R08: 0000000000000000 R09: 0000000000000000
[   27.121869][  T487] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdff6e9778
[   27.122066][  T487] R13: 0000000000000003 R14: 00007fe5c47d2000 R15: 000000000040bda8
| [   27.123333][  T487] ---[ end trace 0000000000000000 ]---
| [   27.166402][   T12] ------------[ cut here ]------------
| [   27.166548][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.167084][   T12] Tainted: [W]=WARN
[   27.167176][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.167328][   T12] Workqueue: netns cleanup_net
[   27.167455][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.167614][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.168067][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.168226][   T12] RAX: 00000000ffffffa6 RBX: ff110000107e2ac0 RCX: 1ff4000000018eed
[   27.168410][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff110000107e2b78
[   27.168598][   T12] RBP: ff11000009f81000 R08: 1fe22000020fc570 R09: ff11000001b0d1d0
[   27.168784][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.168975][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.169162][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.169378][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.169532][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   27.169715][   T12] PKRU: 55555554
[   27.169812][   T12] Call Trace:
[   27.169903][   T12]  <TASK>
[   27.169967][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.170130][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.170284][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.170406][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.170533][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.170656][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.170779][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.170910][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.171040][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.171162][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.171286][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.171410][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.171537][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.171661][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.171783][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.171909][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.172039][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.172162][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.172290][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.172416][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.172540][   T12]  kthread (kernel/kthread.c:436)
[   27.172633][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.172785][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.172914][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.173039][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.173195][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.173319][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.173443][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.174614][   T12] ---[ end trace 0000000000000000 ]---
| [   27.185099][   T12] ------------[ cut here ]------------
| [   27.185236][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.185782][   T12] Tainted: [W]=WARN
[   27.185883][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.186043][   T12] Workqueue: netns cleanup_net
[   27.186172][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.186332][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.186780][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.186939][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f96d380 RCX: 1ff4000000018ed5
[   27.187129][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f96d438
[   27.187315][   T12] RBP: ff1100000d59c000 R08: 1fe2200001f2da88 R09: ff11000001b0d1d0
[   27.187502][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.187687][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.187877][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.188101][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.188259][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   27.188450][   T12] PKRU: 55555554
[   27.188543][   T12] Call Trace:
[   27.188636][   T12]  <TASK>
[   27.188701][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.188866][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.189030][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.189157][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.189283][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.189411][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.189539][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.189662][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.189786][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.189919][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.190052][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.190175][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.190299][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.190424][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.190549][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.190676][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.190801][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.190935][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.191070][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.191196][   T12]  kthread (kernel/kthread.c:436)
[   27.191289][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.191444][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.191570][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.191697][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.191872][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.191997][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.192126][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.193313][   T12] ---[ end trace 0000000000000000 ]---
| [   27.200232][  T489] ------------[ cut here ]------------
| [   27.200394][  T489] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/489
| [   27.200910][  T489] Tainted: [W]=WARN
[   27.201016][  T489] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.201185][  T489] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.201360][  T489] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.201838][  T489] RSP: 0018:ffa0000001257020 EFLAGS: 00010286
[   27.202010][  T489] RAX: 00000000ffffffa6 RBX: ff1100000b87e740 RCX: 1ff400000024adca
[   27.202211][  T489] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b87e7f8
[   27.202409][  T489] RBP: ff1100000d7cc000 R08: 1fe220000170fd00 R09: ff1100000d7b5158
[   27.202607][  T489] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   27.202811][  T489] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000d7ccce1
[   27.203017][  T489] FS:  00007f6a2f0fa840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   27.203251][  T489] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.203419][  T489] CR2: 0000000036232988 CR3: 000000000c314005 CR4: 0000000000771ef0
[   27.203617][  T489] PKRU: 55555554
[   27.203717][  T489] Call Trace:
[   27.203819][  T489]  <TASK>
[   27.203890][  T489]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.204030][  T489]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.204133][  T489]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.204267][  T489]  __dev_notify_flags (net/core/dev.c:9787)
[   27.204402][  T489]  ? netif_change_name (net/core/dev.c:1495)
[   27.204537][  T489]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.204672][  T489]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.204813][  T489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.204950][  T489]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.205090][  T489]  netif_change_flags (net/core/dev.c:9820)
[   27.205225][  T489]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.205362][  T489]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.205496][  T489]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.205662][  T489]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.205797][  T489]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.206029][  T489]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.206166][  T489]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.206302][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.206438][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.206571][  T489]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.206705][  T489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.206929][  T489]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.207068][  T489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.207203][  T489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.207338][  T489]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.207473][  T489]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.207605][  T489]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.207739][  T489]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.207951][  T489]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.208167][  T489]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.208308][  T489]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.208444][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.208578][  T489]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.208712][  T489]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.208943][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.209082][  T489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.209217][  T489]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.209352][  T489]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.209487][  T489]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.209623][  T489]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.209760][  T489]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.209971][  T489]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.210110][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.210246][  T489]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.210381][  T489]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.210516][  T489]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.210651][  T489]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.210786][  T489]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.210990][  T489]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.211128][  T489]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.211263][  T489]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.211398][  T489]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.211534][  T489]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.211669][  T489]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.211889][  T489]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.212030][  T489]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.212165][  T489]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.212299][  T489]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.212433][  T489]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.212603][  T489]  ? move_addr_to_kernel (net/socket.c:258)
[   27.212738][  T489]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.212959][  T489]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.213099][  T489]  ___sys_sendmsg (net/socket.c:2752)
[   27.213234][  T489]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.213402][  T489]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.213545][  T489]  __sys_sendmsg (net/socket.c:2784)
[   27.213681][  T489]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.213883][  T489]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.214057][  T489]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.214193][  T489]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.214329][  T489]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.214464][  T489]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.214598][  T489]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.214732][  T489]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.214975][  T489] RIP: 0033:0x7f6a2f33408e
[   27.215122][  T489] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.215603][  T489] RSP: 002b:00007fffb41c8640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.215864][  T489] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f6a2f33408e
[   27.216071][  T489] RDX: 0000000000000000 RSI: 00007fffb41c86f0 RDI: 0000000000000005
[   27.216271][  T489] RBP: 00007fffb41c8650 R08: 0000000000000000 R09: 0000000000000000
[   27.216473][  T489] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd22
[   27.216676][  T489] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fffb41c8dc0
| [   27.218132][  T489] ---[ end trace 0000000000000000 ]---
| [   27.262552][  T490] ------------[ cut here ]------------
| [   27.262710][  T490] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/490
| [   27.263232][  T490] Tainted: [W]=WARN
[   27.263327][  T490] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.263483][  T490] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.263646][  T490] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.264101][  T490] RSP: 0018:ffa0000001257188 EFLAGS: 00010286
[   27.264261][  T490] RAX: 00000000ffffffa6 RBX: ff1100000c61d540 RCX: 1ff400000024adf7
[   27.264448][  T490] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000c61d5f8
[   27.264635][  T490] RBP: ff1100000d7cc000 R08: 1fe22000018c3ac0 R09: ff11000005bfd158
[   27.264828][  T490] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.265016][  T490] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.265204][  T490] FS:  00007f356f877ec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   27.265424][  T490] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.265580][  T490] CR2: 00007f356fbd8004 CR3: 0000000002418002 CR4: 0000000000771ef0
[   27.265769][  T490] PKRU: 55555554
[   27.265871][  T490] Call Trace:
[   27.265965][  T490]  <TASK>
[   27.266033][  T490]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.266192][  T490]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.266349][  T490]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.266474][  T490]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.266601][  T490]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.266760][  T490]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.266894][  T490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.267023][  T490]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.267150][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.267276][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.267417][  T490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.267541][  T490]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.267665][  T490]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.267790][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.267923][  T490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.268055][  T490]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.268182][  T490]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.268309][  T490]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.268435][  T490]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.268562][  T490]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.268688][  T490]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.268817][  T490]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.268944][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.269078][  T490]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.269204][  T490]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.269330][  T490]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.269454][  T490]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.269579][  T490]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.269707][  T490]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.269838][  T490]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.269965][  T490]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.270094][  T490]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.270222][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.270350][  T490]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.270476][  T490]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.270603][  T490]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.270732][  T490]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.271250][  T490]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.271382][  T490]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.271536][  T490]  ? move_addr_to_kernel (net/socket.c:258)
[   27.271662][  T490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.271788][  T490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.272027][  T490]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.272153][  T490]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.272311][  T490]  ___sys_sendmsg (net/socket.c:2752)
[   27.272439][  T490]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.272565][  T490]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.272697][  T490]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   27.272882][  T490]  ? do_getsockname (net/socket.c:2192)
[   27.273062][  T490]  __sys_sendmsg (net/socket.c:2784)
[   27.273190][  T490]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.273319][  T490]  ? __sys_getsockname (net/socket.c:2210)
[   27.273444][  T490]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.273570][  T490]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.273696][  T490]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.273872][  T490]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.274005][  T490]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.274162][  T490] RIP: 0033:0x7f356f92c08e
[   27.274293][  T490] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.274740][  T490] RSP: 002b:00007fff2c183a50 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.274982][  T490] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f356f92c08e
[   27.275177][  T490] RDX: 0000000000000000 RSI: 00007fff2c183ad0 RDI: 0000000000000005
[   27.275372][  T490] RBP: 00007fff2c183a60 R08: 0000000000000000 R09: 0000000000000000
[   27.275565][  T490] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff2c1881d8
[   27.275753][  T490] R13: 0000000000000003 R14: 00007f356fc18000 R15: 000000000040bda8
| [   27.277054][  T490] ---[ end trace 0000000000000000 ]---
| [   27.329580][   T12] ------------[ cut here ]------------
| [   27.329724][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.330258][   T12] Tainted: [W]=WARN
[   27.330350][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.330504][   T12] Workqueue: netns cleanup_net
[   27.330632][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.330789][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.331233][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.331386][   T12] RAX: 00000000ffffffa6 RBX: ff11000009815e00 RCX: 1ff4000000018eed
[   27.331569][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff11000009815eb8
[   27.331748][   T12] RBP: ff1100000c9e1000 R08: 1fe2200001302bd8 R09: ff11000001b0d1d0
[   27.331936][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.332128][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.332315][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.332530][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.332684][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   27.332876][   T12] PKRU: 55555554
[   27.332968][   T12] Call Trace:
[   27.333063][   T12]  <TASK>
[   27.333127][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.333282][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.333432][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.333556][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.333679][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.333813][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.333937][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.334067][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.334192][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.334322][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.334455][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.334579][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.334700][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.334829][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.334952][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.335081][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.335207][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.335330][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.335456][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.335584][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.335705][   T12]  kthread (kernel/kthread.c:436)
[   27.335798][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.335964][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.336092][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.336217][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.336371][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.336497][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.336624][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.337819][   T12] ---[ end trace 0000000000000000 ]---
| [   27.345757][  T492] ------------[ cut here ]------------
| [   27.345925][  T492] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/492
| [   27.346439][  T492] Tainted: [W]=WARN
[   27.346543][  T492] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.346712][  T492] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.346891][  T492] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.347375][  T492] RSP: 0018:ffa0000001277020 EFLAGS: 00010286
[   27.347545][  T492] RAX: 00000000ffffffa6 RBX: ff1100000ba69a80 RCX: 1ff400000024edca
[   27.347745][  T492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba69b38
[   27.347950][  T492] RBP: ff11000008a09000 R08: 1fe220000174d368 R09: ff1100000fe35158
[   27.348159][  T492] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   27.348362][  T492] R13: 0000000000000000 R14: 0000000000000000 R15: ff11000008a09ce1
[   27.348564][  T492] FS:  00007f43b8a43840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   27.348799][  T492] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.348972][  T492] CR2: 0000000025fe7988 CR3: 000000000cbde001 CR4: 0000000000771ef0
[   27.349181][  T492] PKRU: 55555554
[   27.349283][  T492] Call Trace:
[   27.349384][  T492]  <TASK>
[   27.349454][  T492]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.349591][  T492]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.349694][  T492]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.349834][  T492]  __dev_notify_flags (net/core/dev.c:9787)
[   27.349970][  T492]  ? netif_change_name (net/core/dev.c:1495)
[   27.350110][  T492]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.350246][  T492]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.350380][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.350516][  T492]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.350653][  T492]  netif_change_flags (net/core/dev.c:9820)
[   27.350789][  T492]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.350931][  T492]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.351071][  T492]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.351239][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.351373][  T492]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.351508][  T492]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.351641][  T492]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.351776][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.351917][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.352055][  T492]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.352191][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.352327][  T492]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.352462][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.352598][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.352732][  T492]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.353739][  T492]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.353990][  T492]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.354138][  T492]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.354275][  T492]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.354412][  T492]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.354550][  T492]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.354686][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.354925][  T492]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.355069][  T492]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.355205][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.355340][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.355474][  T492]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.355609][  T492]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.355745][  T492]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.355985][  T492]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.356126][  T492]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.356260][  T492]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.356396][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.356532][  T492]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.356666][  T492]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.356800][  T492]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.357043][  T492]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.357178][  T492]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.357315][  T492]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.357448][  T492]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.357585][  T492]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.357719][  T492]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.357961][  T492]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.358103][  T492]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.358239][  T492]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.358376][  T492]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.358512][  T492]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.358646][  T492]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.358781][  T492]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.359054][  T492]  ? move_addr_to_kernel (net/socket.c:258)
[   27.359192][  T492]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.359326][  T492]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.359462][  T492]  ___sys_sendmsg (net/socket.c:2752)
[   27.359596][  T492]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.359762][  T492]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.360021][  T492]  __sys_sendmsg (net/socket.c:2784)
[   27.360158][  T492]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.360291][  T492]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.360458][  T492]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.360592][  T492]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.360726][  T492]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.360966][  T492]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.361107][  T492]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.361240][  T492]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.361406][  T492] RIP: 0033:0x7f43b8c7d08e
[   27.361546][  T492] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.362133][  T492] RSP: 002b:00007fff240f57f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.362336][  T492] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f43b8c7d08e
[   27.362534][  T492] RDX: 0000000000000000 RSI: 00007fff240f58a0 RDI: 0000000000000005
[   27.362732][  T492] RBP: 00007fff240f5800 R08: 0000000000000000 R09: 0000000000000000
[   27.363040][  T492] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd22
[   27.363241][  T492] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff240f5f70
| [   27.364677][  T492] ---[ end trace 0000000000000000 ]---
| [   27.373178][   T12] ------------[ cut here ]------------
| [   27.373330][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.373868][   T12] Tainted: [W]=WARN
[   27.373962][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.374123][   T12] Workqueue: netns cleanup_net
[   27.374256][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.374419][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.374869][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.375033][   T12] RAX: 00000000ffffffa6 RBX: ff1100000f96d8c0 RCX: 1ff4000000018ed5
[   27.375219][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000f96d978
[   27.375404][   T12] RBP: ff1100000d504000 R08: 1fe2200001f2db30 R09: ff11000001b0d1d0
[   27.375588][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.375777][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.375969][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.376192][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.376349][   T12] CR2: 00007f479cf2d2a0 CR3: 0000000037f49002 CR4: 0000000000771ef0
[   27.376537][   T12] PKRU: 55555554
[   27.376630][   T12] Call Trace:
[   27.376724][   T12]  <TASK>
[   27.376788][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.376957][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.377121][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.377249][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.377376][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.377502][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.377629][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.377755][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.377888][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.378017][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.378143][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.378267][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.378393][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.378519][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.378645][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.378774][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.378952][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.379088][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.379218][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.379342][   T12]  kthread (kernel/kthread.c:436)
[   27.379436][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.379591][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.379717][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.379911][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.380158][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.380284][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.380408][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.381599][   T12] ---[ end trace 0000000000000000 ]---
| [   27.424468][  T493] ------------[ cut here ]------------
| [   27.424618][  T493] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ovpn-cli/493
| [   27.425139][  T493] Tainted: [W]=WARN
[   27.425237][  T493] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.425396][  T493] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.425561][  T493] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.426100][  T493] RSP: 0018:ffa0000001287188 EFLAGS: 00010286
[   27.426262][  T493] RAX: 00000000ffffffa6 RBX: ff1100000b3b9e00 RCX: 1ff4000000250df7
[   27.426450][  T493] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b3b9eb8
[   27.426636][  T493] RBP: ff11000008a09000 R08: 1fe22000016773d8 R09: ff1100000c665158
[   27.426908][  T493] R10: 0000000000000003 R11: 0000000000000001 R12: 00000000ffffffff
[   27.427097][  T493] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.427287][  T493] FS:  00007f32d0c11ec0(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   27.427505][  T493] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.427662][  T493] CR2: 00007f32d0f72004 CR3: 0000000010e1d004 CR4: 0000000000771ef0
[   27.427920][  T493] PKRU: 55555554
[   27.428021][  T493] Call Trace:
[   27.428192][  T493]  <TASK>
[   27.428258][  T493]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.428416][  T493]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.428571][  T493]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.428695][  T493]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.428898][  T493]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.429067][  T493]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.429193][  T493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.429318][  T493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.429444][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.429569][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.429708][  T493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.429892][  T493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.430023][  T493]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.430148][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.430274][  T493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.430399][  T493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.430523][  T493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.430647][  T493]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.430773][  T493]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.430949][  T493]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.431079][  T493]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.431203][  T493]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.431327][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.431454][  T493]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.431578][  T493]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.431703][  T493]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.431878][  T493]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.432006][  T493]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.432134][  T493]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.432259][  T493]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.432386][  T493]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.432512][  T493]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.432637][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.432762][  T493]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.432940][  T493]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.433073][  T493]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.433200][  T493]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.433325][  T493]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.433452][  T493]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.433609][  T493]  ? move_addr_to_kernel (net/socket.c:258)
[   27.433735][  T493]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.433869][  T493]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.434027][  T493]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.434155][  T493]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.434313][  T493]  ___sys_sendmsg (net/socket.c:2752)
[   27.434438][  T493]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.434563][  T493]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.434694][  T493]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   27.434821][  T493]  ? do_getsockname (net/socket.c:2192)
[   27.434948][  T493]  __sys_sendmsg (net/socket.c:2784)
[   27.435076][  T493]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.435204][  T493]  ? __sys_getsockname (net/socket.c:2210)
[   27.435328][  T493]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.435453][  T493]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.435578][  T493]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.435703][  T493]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.435832][  T493]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.435989][  T493] RIP: 0033:0x7f32d0cc608e
[   27.436122][  T493] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.436570][  T493] RSP: 002b:00007ffdd73523b0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.436763][  T493] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f32d0cc608e
[   27.436958][  T493] RDX: 0000000000000000 RSI: 00007ffdd7352430 RDI: 0000000000000005
[   27.437148][  T493] RBP: 00007ffdd73523c0 R08: 0000000000000000 R09: 0000000000000000
[   27.437336][  T493] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdd7356b38
[   27.437525][  T493] R13: 0000000000000003 R14: 00007f32d0fb2000 R15: 000000000040bda8
| [   27.438771][  T493] ---[ end trace 0000000000000000 ]---
| [   27.477160][   T12] ------------[ cut here ]------------
| [   27.477300][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.477954][   T12] Tainted: [W]=WARN
[   27.478055][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.478206][   T12] Workqueue: netns cleanup_net
[   27.478334][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.478490][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.478933][   T12] RSP: 0018:ffa00000000c7938 EFLAGS: 00010286
[   27.479090][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b87ee40 RCX: 1ff4000000018eed
[   27.479276][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b87eef8
[   27.479460][   T12] RBP: ff1100000c981000 R08: 1fe220000170fde0 R09: ff11000001b0d1d0
[   27.479641][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.479830][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.480022][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.480238][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.480389][   T12] CR2: 00007f32d0d172a0 CR3: 0000000037f49003 CR4: 0000000000771ef0
[   27.480571][   T12] PKRU: 55555554
[   27.480661][   T12] Call Trace:
[   27.480752][   T12]  <TASK>
[   27.480819][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.480976][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.481132][   T12]  ? queue_rcu_work (./include/linux/rcupdate.h:125 kernel/workqueue.c:2686)
[   27.481255][   T12]  ? ipmr_free_table (net/ipv4/ipmr.c:453)
[   27.481378][   T12]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.481500][   T12]  ? nexthop_net_exit_rtnl (./include/linux/rtnetlink.h:150 (discriminator 1) net/ipv4/nexthop.c:4145 (discriminator 1))
[   27.481623][   T12]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.481747][   T12]  ops_undo_list (net/core/net_namespace.c:187 net/core/net_namespace.c:248)
[   27.481876][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.481998][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.482129][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.482252][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.482372][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.482494][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.482615][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.482738][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.482869][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.482990][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.483122][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.483250][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.483372][   T12]  kthread (kernel/kthread.c:436)
[   27.483464][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.483614][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.483745][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.483872][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.484029][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.484152][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.484274][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.485447][   T12] ---[ end trace 0000000000000000 ]---
| [   27.494813][   T12] ------------[ cut here ]------------
| [   27.494952][   T12] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: 0/12
| [   27.495486][   T12] Tainted: [W]=WARN
[   27.495579][   T12] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.495733][   T12] Workqueue: netns cleanup_net
[   27.495868][   T12] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.496036][   T12] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.496475][   T12] RSP: 0018:ffa00000000c7878 EFLAGS: 00010286
[   27.496633][   T12] RAX: 00000000ffffffa6 RBX: ff1100000b87f380 RCX: 1ff4000000018ed5
[   27.496820][   T12] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b87f438
[   27.497008][   T12] RBP: ff1100000c5cc000 R08: 1fe220000170fe88 R09: ff11000001b0d1d0
[   27.497193][   T12] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.497374][   T12] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.497555][   T12] FS:  0000000000000000(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.497771][   T12] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.497935][   T12] CR2: 00007f32d0d172a0 CR3: 0000000037f49003 CR4: 0000000000771ef0
[   27.498127][   T12] PKRU: 55555554
[   27.498219][   T12] Call Trace:
[   27.498310][   T12]  <TASK>
[   27.498374][   T12]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.498534][   T12]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.498690][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.498819][   T12]  default_device_exit_batch (net/core/dev.c:12497 net/core/dev.c:13089)
[   27.498945][   T12]  ? unregister_netdev (./include/net/net_namespace.h:419 (discriminator 7))
[   27.499073][   T12]  ? perf_trace_sched_switch (./include/linux/list.h:1021 (discriminator 3))
[   27.499198][   T12]  ops_undo_list (net/core/net_namespace.c:205 net/core/net_namespace.c:252)
[   27.499325][   T12]  ? rtnl_net_dumpid_one (net/core/net_namespace.c:1094)
[   27.499447][   T12]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.499573][   T12]  cleanup_net (net/core/net_namespace.c:702)
[   27.499697][   T12]  ? net_passive_dec (./include/linux/llist.h:241)
[   27.499825][   T12]  ? process_one_work (kernel/workqueue.c:3290 (discriminator 2))
[   27.499950][   T12]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.500080][   T12]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.500206][   T12]  process_one_work (kernel/workqueue.c:3314)
[   27.500331][   T12]  ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[   27.500455][   T12]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.500588][   T12]  worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[   27.500716][   T12]  ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[   27.500845][   T12]  kthread (kernel/kthread.c:436)
[   27.500937][   T12]  ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[   27.501095][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.501219][   T12]  ret_from_fork (arch/x86/kernel/process.c:158)
[   27.501344][   T12]  ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[   27.501510][   T12]  ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[   27.501633][   T12]  ? kthread_affine_node (kernel/kthread.c:378)
[   27.501758][   T12]  ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [   27.502936][   T12] ---[ end trace 0000000000000000 ]---
| [   27.505592][  T495] ------------[ cut here ]------------
| [   27.505743][  T495] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#3: ip/495
| [   27.506885][  T495] Tainted: [W]=WARN
[   27.506989][  T495] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.507160][  T495] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.507331][  T495] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.507861][  T495] RSP: 0018:ffa00000012a7020 EFLAGS: 00010286
[   27.508039][  T495] RAX: 00000000ffffffa6 RBX: ff1100000b87fc40 RCX: 1ff4000000254dca
[   27.508235][  T495] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000b87fcf8
[   27.508430][  T495] RBP: ff1100000fb0c000 R08: 1fe220000170ffa0 R09: ff11000009e52e58
[   27.508627][  T495] R10: 0000000000000003 R11: 0000000000000001 R12: 0000000000000001
[   27.508882][  T495] R13: 0000000000000000 R14: 0000000000000000 R15: ff1100000fb0cce1
[   27.509084][  T495] FS:  00007f03d0487840(0000) GS:ff11000076e30000(0000) knlGS:0000000000000000
[   27.509315][  T495] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.509481][  T495] CR2: 0000000000de5988 CR3: 000000000c808003 CR4: 0000000000771ef0
[   27.509681][  T495] PKRU: 55555554
[   27.509780][  T495] Call Trace:
[   27.509964][  T495]  <TASK>
[   27.510036][  T495]  rtmsg_ifinfo_event.part.0 (net/core/rtnetlink.c:4551)
[   27.510170][  T495]  rtmsg_ifinfo (net/core/rtnetlink.c:4551 net/core/rtnetlink.c:4560)
[   27.510271][  T495]  ? mark_held_locks (kernel/locking/lockdep.c:4325)
[   27.510406][  T495]  __dev_notify_flags (net/core/dev.c:9787)
[   27.510541][  T495]  ? netif_change_name (net/core/dev.c:1495)
[   27.510674][  T495]  ? __dev_change_flags (net/core/dev.c:1788 net/core/dev.c:9750)
[   27.510883][  T495]  ? netif_set_allmulti (./include/net/netdev_lock.h:30 (discriminator 1))
[   27.511017][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.511150][  T495]  ? is_bpf_text_address (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) kernel/bpf/core.c:749 (discriminator 2))
[   27.511284][  T495]  netif_change_flags (net/core/dev.c:9820)
[   27.511416][  T495]  do_setlink.isra.0 (net/core/rtnetlink.c:3206 (discriminator 1))
[   27.511548][  T495]  ? rtnl_link_get_size (net/core/rtnetlink.c:716)
[   27.511682][  T495]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.511932][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.512069][  T495]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.512200][  T495]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:388 kernel/rcu/update.c:380)
[   27.512332][  T495]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.512465][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.512599][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.512734][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.512941][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.513077][  T495]  ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[   27.513208][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.513339][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.513555][  T495]  ? trace_contention_end (./include/trace/events/lock.h:122 (discriminator 22))
[   27.513687][  T495]  ? __mutex_lock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.c:89 kernel/locking/mutex.c:134 kernel/locking/mutex.c:649 kernel/locking/mutex.c:820)
[   27.514104][  T495]  ? __mutex_lock (kernel/locking/mutex.c:798 (discriminator 1) kernel/locking/mutex.c:820 (discriminator 1))
[   27.514239][  T495]  ? rtnl_newlink (net/core/rtnetlink.c:80 net/core/rtnetlink.c:341 net/core/rtnetlink.c:4149)
[   27.514372][  T495]  ? ww_mutex_lock (kernel/locking/mutex.c:933)
[   27.514507][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4000)
[   27.514641][  T495]  rtnl_newlink (net/core/rtnetlink.c:4150)
[   27.514963][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.515099][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.515231][  T495]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.515364][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.515497][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.515631][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.515949][  T495]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.516093][  T495]  ? __rtnl_newlink (net/core/rtnetlink.c:4027 (discriminator 1))
[   27.516228][  T495]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.516359][  T495]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.516491][  T495]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.516705][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.516945][  T495]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.517081][  T495]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.517215][  T495]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.517348][  T495]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.517565][  T495]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.517700][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.517937][  T495]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.518079][  T495]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.518211][  T495]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.518427][  T495]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.518560][  T495]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.518694][  T495]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.518935][  T495]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.519074][  T495]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.519207][  T495]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.519425][  T495]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.519588][  T495]  ? move_addr_to_kernel (net/socket.c:258)
[   27.519721][  T495]  ? stack_depot_save_flags (lib/stackdepot.c:609 (discriminator 2) lib/stackdepot.c:676 (discriminator 2))
[   27.519935][  T495]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.520074][  T495]  ___sys_sendmsg (net/socket.c:2752)
[   27.520207][  T495]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3131)
[   27.520372][  T495]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.520515][  T495]  __sys_sendmsg (net/socket.c:2784)
[   27.520647][  T495]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.520928][  T495]  ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:3156 (discriminator 6))
[   27.521103][  T495]  ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[   27.521237][  T495]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.521373][  T495]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.521508][  T495]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.521645][  T495]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.521959][  T495]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.522134][  T495] RIP: 0033:0x7f03d06c108e
[   27.522272][  T495] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.522906][  T495] RSP: 002b:00007fff95fcfbb0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.523113][  T495] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007f03d06c108e
[   27.523310][  T495] RDX: 0000000000000000 RSI: 00007fff95fcfc60 RDI: 0000000000000005
[   27.523507][  T495] RBP: 00007fff95fcfbc0 R08: 0000000000000000 R09: 0000000000000000
[   27.523789][  T495] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a10dd22
[   27.524069][  T495] R13: 000000000049f620 R14: 0000000000000000 R15: 00007fff95fd0330
| [   27.525630][  T495] ---[ end trace 0000000000000000 ]---
| [   27.581092][  T496] ------------[ cut here ]------------
| [   27.581255][  T496] WARNING: net/core/rtnetlink.c:4523 at rtmsg_ifinfo_build_skb+0x1a6/0x250, CPU#0: ovpn-cli/496
| [   27.581765][  T496] Tainted: [W]=WARN
[   27.581868][  T496] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
[   27.582033][  T496] RIP: 0010:rtmsg_ifinfo_build_skb (net/core/rtnetlink.c:4523 (discriminator 3))
[   27.582198][  T496] Code: 89 fa 48 c1 ea 03 0f b6 14 02 48 89 f8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 79 48 8b 44 24 58 44 8b 48 08 e9 42 ff ff ff 90 <0f> 0b 90 ba 02 00 00 00 48 89 de 31 ff e8 18 e8 f0 ff b9 a6 ff ff
All code
========
   0:	89 fa                	mov    %edi,%edx
   2:	48 c1 ea 03          	shr    $0x3,%rdx
   6:	0f b6 14 02          	movzbl (%rdx,%rax,1),%edx
   a:	48 89 f8             	mov    %rdi,%rax
   d:	83 e0 07             	and    $0x7,%eax
  10:	83 c0 03             	add    $0x3,%eax
  13:	38 d0                	cmp    %dl,%al
  15:	7c 04                	jl     0x1b
  17:	84 d2                	test   %dl,%dl
  19:	75 79                	jne    0x94
  1b:	48 8b 44 24 58       	mov    0x58(%rsp),%rax
  20:	44 8b 48 08          	mov    0x8(%rax),%r9d
  24:	e9 42 ff ff ff       	jmp    0xffffffffffffff6b
  29:	90                   	nop
  2a:*	0f 0b                	ud2		<-- trapping instruction
  2c:	90                   	nop
  2d:	ba 02 00 00 00       	mov    $0x2,%edx
  32:	48 89 de             	mov    %rbx,%rsi
  35:	31 ff                	xor    %edi,%edi
  37:	e8 18 e8 f0 ff       	call   0xfffffffffff0e854
  3c:	b9                   	.byte 0xb9
  3d:	a6                   	cmpsb  (%rdi),(%rsi)
  3e:	ff                   	(bad)
  3f:	ff                   	.byte 0xff

Code starting with the faulting instruction
===========================================
   0:	0f 0b                	ud2
   2:	90                   	nop
   3:	ba 02 00 00 00       	mov    $0x2,%edx
   8:	48 89 de             	mov    %rbx,%rsi
   b:	31 ff                	xor    %edi,%edi
   d:	e8 18 e8 f0 ff       	call   0xfffffffffff0e82a
  12:	b9                   	.byte 0xb9
  13:	a6                   	cmpsb  (%rdi),(%rsi)
  14:	ff                   	(bad)
  15:	ff                   	.byte 0xff
[   27.582648][  T496] RSP: 0018:ffa00000012b7188 EFLAGS: 00010286
[   27.582815][  T496] RAX: 00000000ffffffa6 RBX: ff1100000ba68200 RCX: 1ff4000000256df7
[   27.583009][  T496] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ff1100000ba682b8
[   27.583195][  T496] RBP: ff1100000fb0c000 R08: 1fe220000174d058 R09: ff11000009e55158
[   27.583382][  T496] R10: 0000000000000000 R11: 0000000000000001 R12: 00000000ffffffff
[   27.583569][  T496] R13: 0000000000000000 R14: 0000000000000000 R15: dffffc0000000000
[   27.583758][  T496] FS:  00007f1c2b126ec0(0000) GS:ff11000076cb0000(0000) knlGS:0000000000000000
[   27.583986][  T496] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   27.584153][  T496] CR2: 00007f1c2b487004 CR3: 000000000d7fd001 CR4: 0000000000771ef0
[   27.584343][  T496] PKRU: 55555554
[   27.584438][  T496] Call Trace:
[   27.584534][  T496]  <TASK>
[   27.584598][  T496]  unregister_netdevice_many_notify (net/core/dev.c:12439)
[   27.584759][  T496]  ? unregister_netdevice_queued (./include/linux/list.h:404 (discriminator 3))
[   27.584922][  T496]  ? mutex_is_locked (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:3188 kernel/locking/mutex.h:48 kernel/locking/mutex.c:65)
[   27.585056][  T496]  ? rtnl_is_locked (net/core/rtnetlink.c:169)
[   27.585181][  T496]  ? unregister_netdevice_queue (net/core/dev.c:12301 (discriminator 1))
[   27.585345][  T496]  rtnl_dellink (net/core/rtnetlink.c:3592 net/core/rtnetlink.c:3634)
[   27.585473][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.585600][  T496]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.585728][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.585859][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.586004][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.586130][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.586257][  T496]  ? mark_usage (kernel/locking/lockdep.c:4674)
[   27.586386][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.586515][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.586641][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.586768][  T496]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.586981][  T496]  ? __lock_release.isra.0 (kernel/locking/lockdep.c:5535)
[   27.587118][  T496]  ? rtnl_mdb_del (net/core/rtnetlink.c:6900 (discriminator 2))
[   27.587244][  T496]  rtnetlink_rcv_msg (net/core/rtnetlink.c:7061)
[   27.587371][  T496]  ? validate_chain (kernel/locking/lockdep.c:3801 (discriminator 2) kernel/locking/lockdep.c:3821 (discriminator 2) kernel/locking/lockdep.c:3876 (discriminator 2))
[   27.587496][  T496]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.587622][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.587750][  T496]  ? lock_acquire.part.0 (kernel/locking/lockdep.c:5868 (discriminator 1))
[   27.587944][  T496]  ? find_held_lock (kernel/locking/lockdep.c:5350)
[   27.588075][  T496]  netlink_rcv_skb (net/netlink/af_netlink.c:2551)
[   27.588202][  T496]  ? rtnl_stats_set (./include/net/netlink.h:785 (discriminator 2))
[   27.588330][  T496]  ? netlink_ack (./include/linux/skbuff.h:2718)
[   27.588459][  T496]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) ./include/net/netns/generic.h:48 (discriminator 2) net/netlink/af_netlink.c:334 (discriminator 2))
[   27.588585][  T496]  ? netlink_deliver_tap (./include/linux/rcupdate.h:310 (discriminator 2) ./include/linux/rcupdate.h:869 (discriminator 2) net/netlink/af_netlink.c:341 (discriminator 2))
[   27.588713][  T496]  netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[   27.588922][  T496]  ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[   27.589053][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.589181][  T496]  netlink_sendmsg (net/netlink/af_netlink.c:1895)
[   27.589308][  T496]  ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[   27.589435][  T496]  ? __might_fault (mm/memory.c:7340 (discriminator 5))
[   27.589562][  T496]  ____sys_sendmsg (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2698 (discriminator 4))
[   27.589689][  T496]  ? copy_msghdr_from_user (net/socket.c:2635)
[   27.589894][  T496]  ? get_timestamp.constprop.0 (./include/linux/netdevice.h:5349)
[   27.590055][  T496]  ? move_addr_to_kernel (net/socket.c:258)
[   27.590182][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.590310][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.590467][  T496]  ? rcu_read_lock_any_held (./include/linux/lockdep.h:249 kernel/rcu/update.c:386 kernel/rcu/update.c:380)
[   27.590594][  T496]  ? rcu_lockdep_current_cpu_online (kernel/rcu/tree.c:4040 (discriminator 3) kernel/rcu/tree.c:4032 (discriminator 3))
[   27.590752][  T496]  ___sys_sendmsg (net/socket.c:2752)
[   27.590948][  T496]  ? copy_msghdr_from_user (net/socket.c:2603)
[   27.591080][  T496]  ? __lock_acquire (kernel/locking/lockdep.c:5237)
[   27.591214][  T496]  ? move_addr_to_user (./include/linux/uaccess.h:236 net/socket.c:302)
[   27.591339][  T496]  ? do_getsockname (net/socket.c:2192)
[   27.591466][  T496]  __sys_sendmsg (net/socket.c:2784)
[   27.591592][  T496]  ? __sys_sendmsg_sock (net/socket.c:2765)
[   27.591721][  T496]  ? __sys_getsockname (net/socket.c:2210)
[   27.591897][  T496]  ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[   27.592031][  T496]  do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[   27.592159][  T496]  ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[   27.592285][  T496]  ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[   27.592410][  T496]  entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[   27.592567][  T496] RIP: 0033:0x7f1c2b1db08e
[   27.592699][  T496] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 <c9> c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa
All code
========
   0:	4d 89 d8             	mov    %r11,%r8
   3:	e8 94 bd 00 00       	call   0xbd9c
   8:	4c 8b 5d f8          	mov    -0x8(%rbp),%r11
   c:	41 8b 93 08 03 00 00 	mov    0x308(%r11),%edx
  13:	59                   	pop    %rcx
  14:	5e                   	pop    %rsi
  15:	48 83 f8 fc          	cmp    $0xfffffffffffffffc,%rax
  19:	74 11                	je     0x2c
  1b:	c9                   	leave
  1c:	c3                   	ret
  1d:	0f 1f 80 00 00 00 00 	nopl   0x0(%rax)
  24:	48 8b 45 10          	mov    0x10(%rbp),%rax
  28:	0f 05                	syscall
  2a:*	c9                   	leave		<-- trapping instruction
  2b:	c3                   	ret
  2c:	83 e2 39             	and    $0x39,%edx
  2f:	83 fa 08             	cmp    $0x8,%edx
  32:	75 e7                	jne    0x1b
  34:	e8 03 ff ff ff       	call   0xffffffffffffff3c
  39:	0f 1f 00             	nopl   (%rax)
  3c:	f3 0f 1e fa          	endbr64

Code starting with the faulting instruction
===========================================
   0:	c9                   	leave
   1:	c3                   	ret
   2:	83 e2 39             	and    $0x39,%edx
   5:	83 fa 08             	cmp    $0x8,%edx
   8:	75 e7                	jne    0xfffffffffffffff1
   a:	e8 03 ff ff ff       	call   0xffffffffffffff12
   f:	0f 1f 00             	nopl   (%rax)
  12:	f3 0f 1e fa          	endbr64
[   27.593181][  T496] RSP: 002b:00007fffa49a79e0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[   27.593373][  T496] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1c2b1db08e
[   27.593561][  T496] RDX: 0000000000000000 RSI: 00007fffa49a7a60 RDI: 0000000000000005
[   27.593755][  T496] RBP: 00007fffa49a79f0 R08: 0000000000000000 R09: 0000000000000000
[   27.593956][  T496] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fffa49ac168


Finger prints:
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:ops_undo_list:cleanup_net:process_one_work
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:netif_change_flags:rtnl_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:sit_init_net
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:rtnl_dellink:rtnetlink_rcv_msg:netlink_rcv_skb
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:veth_newlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:linkwatch_sync_dev:rtnl_getlink
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:__dev_notify_flags:rtnl_configure_link:rtnl_newlink_create
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_close_many:unregister_netdevice_many_notify:rtnl_dellink
rtmsg_ifinfo_build_skb:unregister_netdevice_many_notify:default_device_exit_batch:ops_undo_list:cleanup_net
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:netif_state_change:__linkwatch_run_queue:linkwatch_event
rtmsg_ifinfo_build_skb:rtmsg_ifinfo:register_netdevice:register_netdev:loopback_net_init